[Photoeffect] [Potentials...] [Photon Scattering] [Bremstrahlung] [BoundBound Transitions] [Hot Dense Plasmas] [Pair Production] [Other BoundFree Transitions] 
PITT571 
"Cooper Minima: A window on nondipole photoionization at low energy"  G. B. Pradhan, J. Jose, P. C. Deshmukh, L. A. LaJohn, R. H. Pratt and S. T. Manson 
44, 21002 (2011) 
PITT569  "Quadrupole matrix element zeros and their effects on photoelectron angular distributions"  L. A. LaJohn, S. T. Manson and R. H. Pratt 
619, 79 (2010) 
PITT566  "A personal history of photoeffect from ancient toward modern times"  R. H. Pratt 
(2009) 
PITT565  "Partial cancelations of correlations in nonrelativistic high energy asymptotics of photoeffect"  E. G. Drukerev and R. H. Pratt 
80, 013406 (2009) 
PITT561  "Comments on photoionization of Helike ions in asymptotic region"  R. H. Pratt 
A358, 211 (2006) 
PITT556  "Nondipole asyymmetries of Kshell photoelectrons of Kr, Br_2 and BrCF_3"  S. H. Southworth, R. W. Dunford, E. P. Kanter, B. Krassig, L. Young, L. A. LaJohn and R. H. Pratt 
75, 15747 (2006) 
PITT552  "Correlations in relativistic photoeffect"  E. G. Drukarev and R. H. Pratt 
72, 0627011 (2005) 
PITT546  "O(1/w) corrections to the shakeoff (shakeup) correlation effects in double (single) ionization of He by absorption of a photon"  L. T. Suric and R. H. Pratt 
37, L93L102 (2004) 
PITT542  "Higher multipole high energy radiation transition matrix element zeros"  L. A. LaJohn and R. H. Pratt 
71(3/4), 6656 (2004) 
PITT541  "Entanglement change in atomic photoionization"  Young Soon Kim, Yu Jin Kim and R. H. Pratt 
T110, 7982 (2004) 
PITT539  "High energy photoionization beyond independent particle approximation"  E. G. Drukarev and N. B. Avdonina 
36, 203352 (2002) 
PITT536  "Nondipole asymmetries of Kr 1s photoelectrons"  L.B. Krassig, J. C. Billieux, R. W. Dunford, D. S. Gemmell, S. Hasegawa, E.P. Kanter, S. H. Southworth, L. Young, A. LaJohn and R. H. Pratt 
67, 022707 (2003) 
PITT535  "Relativistic electric dipole matrix element zeros"  L. A. LaJohn and R. H. Pratt 
67, 032701 (2003) 
PITT530  "Characterization of high energy photoionization in terms of the singularities of the atomic potential: III. Beyond K shell ionization, using the example of a twoelectron atom in an excited state"  T. Suric, E. G. Drukarev, and R. H. Pratt 
67, 022710 (2003) 
PITT529  "Characterization of high energy photoionization in terms of the singularities of the atomic potential: II. Photoionization of the ground state of a twoelectron atom"  T. Suric, E. G. Drukarev, and R. H. Pratt 
67, 022709 (2003) 
PITT528  "Understanding atomic processes in terms of the Coulombic singularities"  T. Suric, E. G. Drukarev, and R. H. Pratt 
97, 217 (2003) 
PITT527 
"Applicability of a nonrelativistic asymptotic description of high energy photoionization"  N. B. Avdonina, E. G. Drukarev, and R. H. Pratt 
65,052705 (2002) 
PITT525  "The approach to asymptotic behavior in photoionization"  R. H. Pratt and T. Suric 
Journal Chinese Chemical Society 
PITT522  "Correlation effects in the energy spectrum of fast outgoing electrons from double ionization of helium"  E. G. Drukarev, N. B. Avdonina, and R. H. Pratt 
34, 113 (2001) 
PITT521  "Ionization of an atom by photoabsorption at high photon energies: Unified view in terms of singularities of the Coulombic potential"  T. Suric and R. H. Pratt 
J. Rad. Phys. Chem. 
PITT520  "Circumstances in which radiation is not absorbed, forbidding photoionization: Four classes of matrix element zeroes"  L. A. LaJohn and R. H. Pratt 
J. Rad. Phys. Chem. 
PITT513  "Qualitative modification of the high energy atomic photoionization cross section"  M. Ya Amusia, N. B. Avdonina, E. G. Drukarev, S. T. Manson, and R. H. Pratt 
85, 47034706 (2000) 
PITT511  "Normalization of experimental electron impact cross sections"  N. B. Avdonina, Zineb Felfli, and Alred Z. Msezane 
32, 15791587 (1999) 
PITT510  "Some frontiers of xray/atom interactions"  R. H. Pratt 
Chicago, Illinois, 1999, edited by R. Dunford, D. Gemmell, E. Kanter, B. Krassig, S. Southworth, and L. Young AIP Conf. Proc. No. 506, 5980 (AIP, Woodbury, New York, 2000) 
PITT502  "High energy limit of photonatom interactions: example of double ionization of He by photoabsorption"  R. H. Pratt, E. G. Drukarev, and T. Suric 
edited by S.P.Chia and D.A.Bradley World Scientific (Singapore) 2000, 125132 
PITT501  "Higher multipole and retardation corrections in the spin and polarization correlations of polarized photoelectrons ejected from the 2p_{J}subshell by polarized photons  a nonrelativistic approach"  A. Bechler and R. H. Pratt 
32, 28892915 (1999) 
PITT498  "On the continuity in energy of the freebound one photon cross sections"  Viorica Florescu and R. H. Pratt 
3, 105111 (1998) 
PITT494  "Atomic information in the characterization of atomic photoionization"  L. A. LaJohn and R. H. Pratt 
58, 49894992 (1998) 
PITT493  "Beyond dipole effects in atomic processes"  L. A. LaJohn and R. H. Pratt 
51, 355356 
PITT491  "The persistent correlation effects in double ionization of heliumlike atoms or ions which are probed with high photon energies"  R. H. Pratt, T. Suric, and K. Pisk 
32, 356364 (1998) 
PITT490  "Electron impact excitation of optically allowed transitions at small angles"  Z. Felfli, N. Avdonina, I. W. Fomunung, and A. Z. Msezane 
119, 337344 (1996) 
PITT488  "Double ionization of a heliumlike atom or ion by a high energy photon"  T. Suric, K. Pisk, and R. H. Pratt 
Hamburg, Germany, September 1996, edited by R. L. Johnson, H. SchmidtBocking, and B. F. Sonntag AIP Conf. Proc. No. 389 (AIP, Woodbury, New York, 1997), 465474 
PITT480  "Generalized oscillator strengths for forward electron scattering"  N. B. Avdonina, Z. Felfli, and Alfred Z. Msezane 
30, 25912598 (1997) 
PITT476  "New results for radiative transition matrix elements"  S. D. Oh and R. H. Pratt 
32, No.6, 363376 (1996) 
PITT474  "Comment on the asymptotic high energy limit of the ratio of doubletosingle photoionization"  M. E. Kornberg, M. E. Miraglia, T. Suric, and R. H. Pratt 
(1995) 
PITT468  "The Need to Include Multipole Effects Beyond Dipole Approximation
in the Description of Photoionization Both at
Nonrelativistic and Relativistic Energies" 
R. H. Pratt and L. LaJohn 
99, 136139 (1995) 
PITT464  "Coherent correlation enhancement of Outer Shell Photoionisation Cross Sections of AlkaliLike Ions"  M. Ya Amusia, N. B. Avdonina, and R. H. Pratt 
27, 52115219 (1994) 
PITT463  "Outershell Photoionization of Ions"  Nina Avdonina 
ANL/APS/TM14, August 1994, 7379 
PITT450  "Photonelectron polarization correlations in highZ npjsubshell photoionization"  Young Soon Kim, I. B. Goldberg, and R. H. Pratt 
51, 424438 (1995) 
PITT449  "Relativistic, Retardation and Multipole Effects in Photoionization Cross Sections: Z,n,l Dependence"  Akiva Ron, I. B. Goldberg, J. Stein, Steven T. Manson, R. H. Pratt, and R. Y. Yin 
50, 13121320 (1994) 
PITT448  "NonDipolar Effects in Atomic Photoionization"  R. H. Pratt and Young Soon Kim 
38, 353370 (1993) 
PITT444  "Atomic Physics Research with an XRay Laser"  R. H. Pratt and Bernd Crasemann 
of Short Wave Length Coherent Light Sources, Stanford, CA, October 24, 1992, W. Spicer, Chairman, SLAC Report 414, February 1993, 1722 
PITT441  "Photoionization of Excited Highly Charged Ions"  N. Avdonina, R. H. Pratt, and L. Chernysheva 
International Conference on the Physics of Highly  Charged Ions, 553555 (1992) 
PITT437  "Emission and Absorption of Radiation by Structured Particles"  M. Ya Amusia and R. H. Pratt 
28, 247258 (1992) 
PITT433  "Mechanism for Spurious Structures in IPA Photoionization Calculations"  B. Zhou and R. H. Pratt 
45, 63186322 (1992) 
PITT425  "The Universal Trajectory of Cooper Minima"  Y. Kuang 
(1991) 
PITT416  "PhotonElectron Polarization Correlations in HighZnsSubshell Photoionization"  Y. S. Kim, I. B. Goldberg, and R. H. Pratt 
45, 45424552 (1992) 
PITT408  "Delayed Maxima in Photoionization Cross Sections of Atomic Ions"  XiaoMin Tong, JiaMing Li (C.M.Lee), and R. H. Pratt 
42, 53485351 (1990) 
PITT404  "Total Photoabsorption of Neutral Atoms and Ions"  Y. Kuang and R. H. Pratt 
for LLNL (1989) 
PITT401  "Higher Multipole and Retardation Corrections to the Dipole Distribution of LShell Photoelectrons Ejected by Polarized Photons"  A. Bechler and R. H. Pratt 
42, 64006413 (1990) 
PITT394  "Photoionization and Photon Scattering from FewElectron Ions"  R. H. Pratt 
February 1989, Spectroscopy and Collisions of Few Electron Atoms, M. Ivascu et al. eds., World Scientific, Singapore (1989) 
PITT393  "Existence of Zeroes in the Coulomb Multipole Matrix Element with Retardation"  V. Florescu, M. Presecan, A. Bechler, and R. H. Pratt 
23, 937950 (1990) 
PITT392  "Dynamical Screening in KShell Photoionization"  J.M. Li (C.M.Lee), Y.J. Wu, and R. H. Pratt 
40, 30363040 (1989) 
PITT389  "KShell Photoemission for Argon Ions"  Qi Dong 
(January 1989) 
PITT388  "2p Subshell Angular Resolved Photoionization and Core Relaxation of Neutral Argon"  Qi Dong 
(1989) 
PITT387  "PHOTO  A Program for Calculating Parameters of the Photoelectric
Process"
User Guide 
I. B. Goldberg and P. M. Bergstrom, Jr. 
(1988) 
PITT386  "Photoionization from Ions: Dependence on Degree of Ionization"  Ye Kuang, Qi Dong, and R. H. Pratt 
27, 335350 (1989) 
PITT384  "Photoionization of Atoms and Ions"  Qi Dong, Ye Kuang, and R. H. Pratt 
48 October 1988, Nucl. Instrum. Meth. A 280, 189194 (1989) 
PITT379  "Higher Retardation and Multipole Corrections to the Dipole Angular Distribution of 1s Photoelectrons at Low Energies"  A. Bechler and R. H. Pratt 
39, 17741779 (1989) 
PITT372  "Problems with IPA Latter Tail Potentials in Neutral and Ionic Photoeffect Calculations"  Ye Kuang, R. H. Pratt, YingJian Wu, J. Stein, I. B. Goldberg, and Akiva Ron 
Paris France, Sept. 1418, 1987, J. de Phys. 48, Colloque C9, 527530 (1987) 
PITT366  "Soft XRay Near Threshold Phenomena: Theory"  R. H. Pratt 
Asilomar, Pacific Grove, CA, March 14 (1987) 
PITT365  "Possible Narrow and Deep Minima in the Photoionization Cross Sections of Excited States"  I. B. Goldberg and R. H. Pratt 
36, 21082111 (1987) 
PITT359  "High Energy Atomic Photoelectric Effect and Bremsstrahlung"  R. Y. Yin, O. V. Gabriel, and R. H. Pratt 
36, 12071219 (1987) 
PITT356  "Proof that Johnson's and Zangwill's Time Dependent Linear Response Theory for the Photo Transition Are Identical"  L. Wang 
(1986) 
PITT354  "PHOTO: A Fortran Program for the Calculation of Photoeffect (on VAX8600)"
User's Guide 
L. Wang 
to LLNL (1986) 
PITT352  "Determination Whether the Number of Zeroes for Transition Matrix Elements is Even or Odd"  R. H. Pratt, R. Y. Yin, and X. Liang 
35, 14501452 (1987) 
PITT350  "Ionic and Point Coulomb Relativistic Cooper Minima"  R. Y. Yin and R. H. Pratt 
35, 11541158 (1987) 
PITT349  "Survey of Relativistic Cooper Minima"  R. Y. Yin and R. H. Pratt 
35, 11491153 (1987) 
PITT347  "Analytic Screened Calculation of the 1s Photoelectron Angular Distribution"  A. Bechler 
(1986) 
PITT335  "Parametrization of the Cross Sections of Photon Absorption and Scattering"  A. Bechler, R. Dutt, S. K. Sen Gupta, and R. H. Pratt 
255, 4345 (1987) 
PITT321  "Comparison between Average Atom and Detailed Configuration Type Calculations of the Photoionization Cross Section of Hot and Dense Aluminum Plasma"  D. Salzmann, R. Y. Yin, and R. H. Pratt 
32, 36273638 (1985) 
PITT320  "Ionic Cooper Minima"  R. Y. Yin and R. H. Pratt 
225228 (1985) 
PITT317  "An Investigation of Possibilities to Improve the Characterization of Photoelectron Angular Distributions"  D. Salzmann and R. Y. Yin 
to LLNL (1984) 
PITT315  "Photoionization of NonExcited Electrons from Excited Atoms"  D. Salzmann and R. H. Pratt 
30, 27672770 (1984) 
PITT309  "Atomic Photoelectric Effect: Theory and Experiment in the XRay and [gamma]Ray Regimes"  R. H. Pratt 
Calcutta India, November 2128, 1983, Ind. J. Phys. 58A (Suppl.), 111 (1984) 
PITT305  "Analytic Calculation of the Asymmetry Parameter for Photoeffect from the 2pSubshell"  A. Bechler 
to LLNL (1983) 
PITT302  "Characterization of Photoelectron Angular Distribution II"  M. S. Wang 
to LLNL (1983) 
PITT300  "6p Photoionization in HighZ Elements and the Influences of Relativistic Cooper Minima"  S. T. Manson, C. M. Lee, R. H. Pratt, I. B. Goldberg, B. R. Tambe, and A. Ron 
28, 28852894 (1983) 
PITT299  "Merging of Positions of Zeros in Dipole and Quadrupole Matrix Elements
of Photoeffect from Outer Shell and
Rydberg States of High Z Elements" 
M. S. Wang and R. H. Pratt 
29, 174176 (1984) 
PITT296  "Characterization of Photoelectron Angular Distribution"  M. S. Wang 
to LLNL (1982) 
PITT292  "Inner Shell Relativistic Features in Photoeffect"  R. H. Pratt 
Eugene, Oregon, August 2327, 1982 
PITT291  "FOTO  A Program for Calculating Parameters of the Photoelectric Process"  I. Goldberg 
(1982) 
PITT289  "Analytic Expressions for BoundBound and BoundFree Dipole Transition Matrix Elements of Atomic Inner Shells"  M. S. Wang and R. H. Pratt 
27, 19391942 (1983) 
PITT280  "Analytic Parametrization of Total Photoeffect Cross Sections and Forward Angle Rayleigh Scattering Amplitudes"  M. S. Wang and R. H. Pratt 
May, 1982 
PITT270  "Observation of Zeros and Amplification of Quadrupole Matrix Element Contributions to Photoelectron Angular Distributions"  M. S. Wang, Y. S. Kim, R. H. Pratt, and A. Ron 
25, 857861 (1982) 
PITT260  "Nonstatistical Behavior of Photoeffect Subshell Branching Ratios at High Energies"  Y. S. Kim, R. H. Pratt, and A. Ron 
24, 18891893 (1981) 
PITT253  "Overlap of Shape Resonance and Cooper Minimum Structure in Photoionization"  Y. S. Kim, R. H. Pratt, and A. Ron 
24, 16261628 (1981) 
PITT251  "Subshell Branching Ratios of Partial Photoionization Cross Sections"  A. Ron, Y. S. Kim, and R. H. Pratt 
24, 12601263 (1981) 
PITT248  "Iron Plasma: Sensitivity of Photoelectric Cross Sections to Different Models and General Features of the FermiAmaldi ModifiedModel"  D. Shalitin, A. Ron, Y. Reiss, and R. H. Pratt 
27, 219226 (1982) 
PITT247  "Binding Energies and BoundFree Transition Matrix Elements for an Impurity Atom in a Hydrogen Plasma"  I. J. Feng and R. H. Pratt 
27, 341343 (1982) 
PITT245  "Relativistic Effects in the Photoionization of HighZ Elements: Splittings and Shifts of Cooper Minima"  Y. S. Kim, A. Ron, R. H.Pratt, B. R. Tambe, and S. T. Manson 
46, 13261329 (1981) 
PITT241  "Radiative Corrections to Atomic Photoeffect and TipBremsstrahlung III"  D. J. Botto and M. Gavrila 
26, 237249 (1982) 
PITT221  "Photoelectron Angular Distributions from the Subshells of HighZ Elements"  Y. S. Kim, R. H. Pratt, Akiva Ron, and H. K. Tseng 
22, 567576 (1980) 
PITT214  "Numerical Calculation of Photoeffect and Radiative Electron Capture"  A. Ron 
(1979) 
PITT205  "Photoionization of Highly Stripped Atomic Ions: Relativistic Calculations"  W. Ong, S. T. Manson, H. K. Tseng, and R. H. Pratt 
69, 319321 (1979) 
PITT182  "Photoelectron Angular Distributions"  H. K. Tseng, R. H. Pratt, S. Yu, and A. Ron 
17, 10611079 (1978) 
PITT176  "Analytic Description of Photoeffect from Atomic Ions"  D. J. Botto, J. McEnnan, and R. H. Pratt 
18, 580586 (1978) 
PITT167  "Radiative Corrections to Atomic Photoeffect"  J. McEnnan and M. Gavrila 
15, 15371556 (1977) 
PITT166  "Limitations on the Validity of the Nonrelativistic Dipole Approximation for Photoelectron Angular Distributions"  A. Ron, R. H. Pratt, and H. K. Tseng 
47, 377379 (1977) 
PITT163  "Radiative Corrections to Photoeffect and TipBremsstrahlung"  J. McEnnan and M. Gavrila 

PITT161  "Analytic Calculation of Screened Photoeffect Cross Sections"  S. D. Oh, J. McEnnan, and R. H. Pratt 
14, 14281436 (1976) 
PITT154  "Connection Between the Atomic Photoeffect and Internal Conversion"  S. D. Oh and R. H. Pratt 
13, 14631465 (1976) 
Supp. 1975 ?  "Compton Scattering by LShell Electrons"  M. Gavrila and M. Tugulea 

Supp. 1975  "Electron Photon Interactions in Atomic Fields"  R. H. Pratt 
Taiwan, Republic of China (1975) 
PITT129  "Dependence of Atomic Photoeffect on a BoundElectron Magnetic Substate"  S. D. Oh and R. H. Pratt 
10, 11981203 (1974) 
PITT105a  "Inner Shell Photoionization Above 10 keV"  R. H. Pratt 
Atlanta, Georgia, April 1721, 1972, edited by R. W. Fink, S. T. Manson, J. M. Palms, P. V. Rao, U.S.A.E.C., Technical Information Center, Oak Ridge, Tennessee, January 1973, Vol. 2, 11131129 
PITT105  "Erratum: Atomic Photoelectric Effect Above 10 keV"  R. H. Pratt, A. Ron, and H. K. Tseng 
45, 663664 (1973) 
PITT105  "Atomic Photoelectric Effect Above 10 keV"  R. H. Pratt, A. Ron, and H. K. Tseng 
45, 273325 (1973) 
Report No. 1  "Atomic Photoeffect 0.1 to 10 keV. Assessment of CooperManson Theory (Dipole Approximation) as used in the Photon Cross Section Compilation by Kaman Nuclear for DNA"  R. H. Pratt and H. K. Tseng 
NBS (January 1973) 
NYO382975  "Behavior of Electron Wave Functions Near the Atomic Nucleus and Normalization
Screening Theory in the
Atomic Photoeffect" 
R. H. Pratt and H. K. Tseng 
5, 10631072 (1972) 
698052076  "Validity of Normalization Theory of Photoeffect"  R. H. Pratt 

NYO382934  "Coulomb Group Theory for any Spin"  T. F. Jordan and R. H. Pratt 
188, 25342535 (1969) 
698052075  "Smoothness of Photoeffect Cross Sections with Z"  R. H. Pratt 

NYO382917  "Theory of GammaRay Cross Sections"  R. H. Pratt 

NYO382910  "K, L, and MShell Atomic Photoeffect for Screened Potential Models (Supplement B)"  R. D. Schmickley and R. H. Pratt 

NYO382909  "K, L, and MShell Atomic Photoeffect for Screened Potential Models (Supplement A)"  R. D. Schmickley and R. H. Pratt 

NYO382908  "K, L, and MShell Atomic Photoeffect for Screened Potential Models"  R. D. Schmickley and R. H. Pratt 
164, 104116 (1967) 
STAN16  "New Calculations of the Atomic Photoeffect"  R. H. Pratt 
Warsaw, September 2428, 1963, Vol. 4, 538547, Warsaw, Poland 
STAN15  "Polarization Correlations in Atomic Photoeffect"  R. H. Pratt, R. D. Levee, R. L. Pexton, and W. Aron 
134, A916922 (1964) 
STAN14  "HighFrequency Region of the Spectrum of Electron and Positron Bremsstrahlung II"  R. J. Jabbur and R. H. Pratt 
133, B10901091 (1964) 
STAN13  "KShell Photoelectric Cross Sections from 200 keV to 2 MeV"  R. H. Pratt, R. D. Levee, R. L. Pexton, and W. Aron 
134, A898915 (1964) 
STAN7  "Transfer of Helicity in Radiation and Absorption of HighEnergy Photons"  R. H. Pratt 
123, 15081510 (1961) 
STAN5  "Photoeffect from the L Shell"  R. H. Pratt 
119, 16191626 (1960) 
STAN4  "Atomic Photoelectric Effect at High Energies"  R. H. Pratt 
117, 10171028 (1960) 
PITT547  "Master equations for degenerate systems: electron radiative cascade in a Coulomb potential"  D. B. Uskov and R. H. Pratt 
37, 425971 (2004) 
PITT532  "New semiclassical approach for calculating Regge pole trajectories for singular potentials"  N. B. Avdonina, S. Belov, Z. Felfli, A. Z. Msezane and S. N. Naboko 
66, 022713 (2002) 
PITT520  "Circumstances in which radiation is not absorbed, forbidding photoionization: Four classes of matrix element zeroes"  L. A. LaJohn and R.H.Pratt 
J. Rad. Phys. Chem. 
PITT518  "Kinematic representation for elucidating smallangle electron scattering"  N. B. Avdonina, Z. Felfli, D. Fursa, and A. Z. Msezane 
62, 014703, 14 (2000) 
PITT476  "New results for radiative transition matrix elements"  S. D. Oh and R. H. Pratt 
32, No. 6, 363376 (1996) 
PITT467  "Use of Yukawalike Parametric Potentials in Rayleigh Scattering Calculations"  C. D. Shaffer and R. H. Pratt 
46, 429430 (1995) 
PITT462  "On Dynamic Polarizability of Rydberg States Averaged Over the Angular Quantum Numbers"  I. Beigman, L. Bureyeva, and R. H. Pratt 
27, 58335840 (1994) 
PITT458  "PARAPOT.f, A Computer Code for the Calculation of Parametric Potentials"  David Salzmann 
(December 1993) 
PITT456  "Amplitudes at Nuclues of Electronic Wave Function For Atomic Ions"  Lei Liu, JiaMing Li, and R. H. Pratt 
49, 37703775 (1994) 
PITT428  "Amplitudes at Nucleus of Electronic Wave Functions for Atomic Ions"  L. Liu 
(1991) 
PITT425  "The Universal Trajectory of Cooper Minima"  Y. Kuang 
(1991) 
PITT424  "Positiveness and Monotonicity of FreeFree Coulomb Dipole Matrix Elements"  S. D. Oh and R. H. Pratt 
45, 15831586 (1992) 
PITT418  "Transformed Coulomb Green's Function Sturmian Expansion"  E. Karule and R. H. Pratt 
24, 15851592 (1991) 
PITT399  "Relativistic FermiSegre Formula"  I. B. Goldberg, J. Stein, Akiva Ron, and R. H. Pratt 
42, 25012512 (1990) 
PITT393  "Existence of Zeroes in the Coulomb Multipole Matrix Element with Retardation"  V. Florescu, M. Presecan, A. Bechler, and R. H. Pratt 
23, 937950 (1990) 
PITT378  "Relativistic Continuum Normalizations and Phase Shifts in a Screened
Coulomb Potential from a Relativistic
Generalized WKB Approximation" 
I. B. Goldberg, J. Stein, Akiva Ron, and R. H. Pratt 
39, 506513 (1989) 
PITT370  "Monotonicity of Coulomb Dipole Matrix Elements"  S. D. Oh and R. H. Pratt 
37, 15241526 (1988) 
PITT364  "Generalized WKB Approximation to Nonrelativistic Normalizations and PhaseShifts in a Screened Coulomb Potential"  J. Stein, A. Ron, I. B. Goldberg, and R. H. Pratt 
36, 55235529 (1987) 
PITT353  "Beijing Code"   
Internal Report 
PITT352  "Determination Whether the Number of Zeroes for Transition Matrix Elements is Even or Odd"  R. H. Pratt, R. Y. Yin, and X. Liang 
35, 14501452 (1987) 
PITT351  "A Brief Summary of the Formalism of RTDLDA"  L. Wang 
to LLNL (1986) 
PITT350  "Ionic and Point Coulomb Relativistic Cooper Minima"  R. Y. Yin and R. H. Pratt 
35, 11541158 (1987) 
PITT349  "Survey of Relativistic Cooper Minima"  R. Y. Yin and R. H. Pratt 
35, 11491153 (1987) 
PITT345  "SchrodingerLike Equations for Relativistic Particles"  I. B. Goldberg and R. H. Pratt 
28, 13511359, (1987) 
PITT343  "Nonvanishing of Allowed Coulomb Dipole Matrix Elements"  S. D. Oh and R. H. Pratt 
34, 24862487 (1986) 
PITT334  "RSCF: A Fortran Program for the Relativistic SelfConsistent Field
Calculation"
User's Guide 
L. Kim 
(1985) 
PITT333  "Analytical Expressions for Phase Shifts in Partially Screened Coulomb Potentials with Ionic LongRange Coulomb Tails"  A. Bechler and R. H. Pratt 
20, 133141 (1987) 
PITT326  "Generalized WKB Approximation to Nonrelativistic Normalizations and
Phase Shifts in a Screened Coulomb
Potential" 
J. Stein, A. Ron, I. B. Goldberg, and R. H. Pratt 
to LLNL (1985) 
PITT316  "WKBlike Approximation to Screened Coulomb Wave Functions"  J. Stein 
(1984) 
PITT313  "Screening Effects at Small Distances from the Atomic Nuclei"  S. D. Oh 
(1984) 
PITT307  "Analytic Expressions for High Energy Full ThreeDimensional Continuum Wave Functions and Phase Shifts in Screened Coulomb Potentials"  A. Bechler and R. H. Pratt 
163, 2877 (1985) 
PITT298  "High Energy Expansions for the Phase Shifts in Screened Coulomb Potentials"  A. Bechler and R. H. Pratt 
28, 11901192 (1983) 
PITT294  "Single Channel Relativistic Quantum Defect Theory"  I. B. Goldberg 
(1982) 
PITT289  "Analytic Expressions for BoundBound and BoundFree Dipole Transition Matrix Elements of Atomic Inner Shells"  M. S. Wang and R. H. Pratt 
27, 19391942 (1983) 
PITT264  "Screening Corrections to the Hyperfine Splitting of InnerShell Atomic Energy Levels"  O. V. Gabriel and R. H. Pratt 
25, 25922595 (1982) 
PITT243  "Relativistic and Nonrelativistic Potential Expansion Coefficients"  D. Botto 
(1980) 
PITT223  "Generalized FermiSegre Formula"  Z. R. Iwinski, Y. S. Kim, and R. H. Pratt 
22, 13581360 (1980) 
PITT198  "Analytic Perturbation Theory for Screened Coulomb Potentials: Full Continuum Wave Function"  A. Bechler, J. McEnnan, and R. H. Pratt 
10, 413431 (1979) 
PITT192  "Numerical Nonrelativistic Wave Function and Matrix Element Calculation"  D. J. Botto and J. Parker 
(1978) 
PITT175  "Analytic Perturbation Theory for Screened Coulomb Potentials: Relativistic Case"  J. McEnnan, D. J. Botto, R. H. Pratt, D. Bunaciu, and V. Florescu 
16, 17681785 (1977) 
PITT172  "On the Dispersion Relations for ElectronAtom Scattering"  E. Gerjuoy and C. M. Lee 

PITT148  "Erratum: Analytic Perturbation Theory for Screened Coulomb Potentials: Nonrelativistic Case"  J. McEnnan, L. Kissel, and R. H. Pratt 
13, 2325 (1976) (See PITT139) 
PITT148  Addendum to "Analytic Perturbation Theory for Screened Coulomb Potentials: Nonrelativistic Case"  J. McEnnan, L. Kissel, and R. H. Pratt 
14, 521523 (1976) (See PITT139) 
PITT139  "Analytic Perturbation Theory for Screened Coulomb Potentials: Nonrelativistic Case"  J. McEnnan, L. Kissel, and R. H. Pratt 
13, 532559 (1976) (See PITT148) 
698520723  "Comments on Atomic Form Factors for Large Momentum Transfers"  H. K. Tseng and R. H. Pratt 

PITT135  "One Particle Central Potential for Inelastic Collisions of Fast Charged Particles with Atoms"  S. Yu 
8, 17521755 (1974) 
PITT93  "Use of FurrySommerfeldMaue Wave Functions in Pair Production and Bremsstrahlung"  J. K. Fink and R. H. Pratt 
7, 392403 (1973) 
NYO382975  "Behavior of Electron Wave Functions Near the Atomic Nucleus and Normalization
Screening Theory in the
Atomic Photoeffect" 
R. H. Pratt and H. K. Tseng 
5, 1063 (1972) 
NYO382935  "Separable Schrodinger Equations for Two Interacting Particles in External Fields"  R. Seiler and R. H. Pratt 
11, 22082211 (1970) 
NYO382934  "Coulomb Group Theory for any Spin"  T. F. Jordan and R. H. Pratt 
188, 25342535 (1969) 
NYO382931  "Separability of Two Particle Potentials"  R. H. Pratt 

STAN24  "Generators of the de Sitter Group for the Hydrogen Atom"  R. H. Pratt and T. F. Jordan 
148, 12761279 (1966) 
STAN12  "Coulomb Green's Function in Closed Form"  Levere Hostler and R. H. Pratt 
10, 469470 (1963) 
STAN8  "Extrapolation to Cuts and the Scattering of Electrons and Positrons"  S. D. Drell and R. H. Pratt 
125, 13941399 (1962) 
STAN1  "Applications of a HighEnergy Coulomb Wave Function"  R. E. Prange and R. H. Pratt 
108, 139143 (1957) 
PITT570 
"Compton scattering from positronium and validiry of impulse approximation"  Z. Kallimann, K. Pisk and R. H. Pratt 
83, 053405 (2011) 
PITT568  "Low momentum transfer nonrelativistic limit of the relativistic impulse approximation expression for Compton scattering doubly differential cross sections and characterization of their relativistic contributions"  L. A. LaJohn 
81, 043404 (2010) 
PITT567  "Kshell scattering at high photon energy"  V. Florescu, and R. H. Pratt 
80, 033421 (2009) 
PITT564  "Compton scattering revisited"  R. H. Pratt, L. A. LaJohn, V. Florescu, T. Suric, B. K. Chatterjee and S. C. Roy 
79, 12431 (2010) 
PITT560  "Asymmetry and the shift of the Compton profile"  B. K. Chatterjee, S. C. Roy, T. Suric, R. H. Pratt, and L. A. LaJohn 
580, 224 (2007) 
PITT559  "Limitations on the validity of impulse approximation in Compton scattering"  R. H. Pratt. L. A. LaJohn, T. Suric, B. K. Chatterjee, and S. C. Roy 
261, 1759 (2007) 
PITT558  "Multipole decomposition of the elastic atomic photon scattering form factor and anomalous scattering factor"  L. A. LaJohn 
39, 50895103 (2006) 
PITT555  "Recent theoretical developments in photonatom scattering"  R. H. Pratt 
74, 411 (2005) 
PITT553  "Elastic scattering of 1.115 MeV photons"  Bhakta Kunwar, Arunava Bhadra, Swapan K. Sen Gupta, J. P. J. Carney and R. H. Pratt 
71, 032724 (2005) 
PITT550  "Investigations on Compton scattering: New directions"  B. K. Chatterjee, L. A. LaJohn and S. C. Roy 
75, 216573 (2006) 
PITT545  "Tutorial on fundamentals of radiation physics: Interactions of photons with matter"  R. H. Pratt 
70(4/5), 595603 (2004) 
PITT544  "An alternative method to calculate inelastic scattering cross sections of photons"  S. C. Roy, B. K. Chatterjee and R. H. Pratt 
71(3/4), 67980 (2004) 
PITT540  "Need for further inelastic scattering measurements at xray energies"  S. C. Roy and R. H. Pratt 
69(3), 1937 110 (2003) 
PITT526  "Corrections to the usual xray scattering factors in rare gases: Experiment and theory"  L. Young, R. W. Dunford, E. P. Kanter, B. Krassig, S. H. Southworth, R. A. Bonham, P. Lykos, C. Morong, A. Timm, J. P. J. Carney, and R. H. Pratt 
63, 052718, 110 (2001) 
PITT523  "Understanding the importance of dynamic, correlation, and exchange effects in new lowenergy photon scattering experiments"  J. P. J. Carney and R. H. Pratt 
"Application of Accelerators in Research and Industry", Melville, New York, 2001, edited by J. L. Duggan and I. L. Morgan, 5255 
PITT519  "Existence of nearzero minima in elastic photonatom scattering"  J. P. J. Carney and R. H. Pratt 
J. Rad. Phys. Chem. 
PITT516  "Nonlocal exchange effects in elastic photon scattering from lowZ elements"  J. P. J. Carney 
59, 215220 (2000) 
PITT515  "Constructing adequate predictions for photonatom scattering: A composite approach"  J. P. J. Carney and R. H. Pratt 
62, 012705, 110 (2000) 
PITT512  "Dependence of photonatom scattering on energy resolution and target angular momentum"  J. P. J. Carney, R. H. Pratt, N. L. Manakov, and A. V. Meremianin 
61, 042704, 115 (2000) 
PITT510  "Some frontiers of xray/atom interactions"  R. H. Pratt 
edited by R. Dunford, D. Gemmell, E. Kanter, B. Krassig, S. Southworth, and L. Young AIP Conf. Proc. No. 506, 5980 (AIP, Woodbury, New York, 2000) 
PITT509  "Rayleigh scattering from excited states of atoms and ions"  J. P. J. Carney, R. H. Pratt, Lynn Kissel, S. C. Roy, and S. K. Sen Gupta 
61, 052714, 114 (2000) 
PITT508  "Circular dichroism effects in atomic xray scattering"  N. L. Manakov, A. V. Meremianin, J. P. J. Carney, and R. H. Pratt 
61, 032711, 17 (2000) 
PITT507  "Contribution of boundelectron pair production to the dispersion relation for Delbruck scattering"  J. P. J. Carney and R. H. Pratt 
60, 30203024 (1999) 
PITT505  "Elastic scattering of photons"  S. C. Roy, Lynn Kissel, and R. H. Pratt 
56, 326 (1999) 
PITT504  "Anomalous scattering effects in elastic photonatom scattering from biomedically important elements"  D. A. Bradley, S. C. Roy, Lynn Kissel, and R. H. Pratt 
56, 175195 (1999) 
PITT500  "Elastic photon scattering and normalization of in vivo XRF analysis of Pb in bone"  D. A. Bradley, Lynn Kissel, and R. H. Pratt 
also in Proceedings of the European Conferences on Energy Dispersive XRay Spectrometry, Bologna University Press, 231234 (1999) 
PITT499  "Manifestations of nonlocal exchange, electron correlation and dynamic effects in Xray scattering"  M. Jung, R. W. Dunford, D. S. Gemmell, E. P. Kanter, B. Krassig, T. W. LeBrun, S. H. Southworth, L. Young, J. P. J. Carney, L. LaJohn, R. H. Pratt, and P. M. Bergstrom, Jr. 
81, 8, 15961599 (1998) 
PITT497  "The utility of Compton scattering in determination of electron momentum density"  Z. Kalliman, T. Suric, K. Pisk, and R. H. Pratt 
9 (1), 18 (2000) 
PITT496  "Triply differential cross section for Compton scattering"  Z. Kalliman, T. Suric, K. Pisk, and R. H. Pratt 
57, 26832691 (1998) 
PITT492  "Elastic photon scattering from excited states of atoms and ions"  J. P. J. Carney, Lynn Kissel, R. H. Pratt, S. C. Roy and S. K. Sen Gupta 
51, 371372 (1998) 
PITT491  "The persistent correlation effects in double ionization of heliumlike atoms or ions which are probed with high photon energies"  R. H. Pratt, T. Suric, and K. Pisk 
32, 356364 (1998) 
PITT488  "Double ionization of a heliumlike atom or ion by a high energy photon"  T. Suric, K. Pisk, and R. H. Pratt 
Hamburg, Germany, September 1996, edited by R. L. Johnson, H. SchmidtBocking, and B. F. Sonntag AIP Conf. Proc. No. 389 (AIP, Woodbury, New York, 1997), 465474 
PITT483  "Investigation of the angle dependence of the photonatom anomalous scattering factors"  P. M. Bergstrom, Jr., L. Kissel, R. H. Pratt, and A. Costescu 
714 (1997) 
PITT479  "An overview of the theories used in Compton scattering calculations"  P. M. Bergstrom, Jr., and R. H. Pratt 
50, 329 (1997) 
PITT475  "Charge dependence of the ratio of double to total ionization of a
heliumlike ion by Compton scattering of a high
energy photon" 
T. Suric, K. Pisk, and R. H. Pratt 
211, 289296 (1996) 
PITT474  "Comment on the asymptotic high energy limit of the ratio of doubletosingle photoionization"  M. E. Kornberg, M. E. Miraglia, T. Suric, and R. H. Pratt 
(1995) 
PITT472  "Elastic Scattering of 81 keV [gamma] Rays by Aluminium, Nickel, Tantalum, Gold and Lead"  G. Basavaraju, P. P. Kane, L. Kissel, and R. H. Pratt 
548553 (1995) 
PITT467  "Use of Yukawalike Parametric Potentials in Rayleigh Scattering Calculations"  C. D. Shaffer and R. H. Pratt 
46, 429430 (1995) 
PITT465  "Elastic Scattering of 88.03 keV Gamma Rays"  G. Basavaraju, P. P. Kane, Saharsha M. Lad, Lynn Kissel, and R. H. Pratt 
51, 26082610 (1995) 
PITT461  "Ionization of twoelectron systems by Compton scattering of a photon"  T. Suric, K. Pisk, B. A. Logan, and R. H. Pratt 
73, 790793 (1994) 
PITT460  "Report on Compton scattering of 122 keV and 136 keV Co^{57} gamma rays from Ge and its contribution to the signal in Ge detector"  T. Suric and R. H. Pratt 
(April 1994) 
PITT459  "Rayleigh Scattering and Form Factors"  S. C. Roy, B. Zhou, Lynn Kissel, and R. H. Pratt 
67 B, 481496 (1993) 
PITT457  "Incorporation of Experimental Information into Anomalous Scattering Factors"  C. D. Shaffer 

PITT455  "Retardation and Multipole Effects in Rayleigh Scattering by Hydrogenlike Ions at Low XRay Photon Energies"  A. Costescu, P. M. Bergstrom, C. Dinu, and R. H. Pratt 
50, 13901398 (1994) 
PITT454  "Validity of Form Factor, Modified Form Factor, and Anomalous Scattering
Factor Approximations in Elastic
Scattering Calculations" 
L. Kissel, B. Zhou, S. C. Roy, S. K. Sen Gupta, and R. H. Pratt 
271288 (1995) 
PITT452  "Elastic Scattering of 81 keV Gamma Rays"  G. Basavaraju, P. P. Kane, Lynn D. Kissel, and R. H. Pratt 
49, 36643672 (1994) 
PITT451  "Numerical Evaluation of Cross Sections for K Shell Compton Scattering of 279.2 keV Gamma Rays and Strategy for Experimental Studies"  G. Basavaraju 
(1993) 
PITT447  "Notes on Further Parallelization of the Second Order SMatrix Compton Scattering Code"  Yoseph Stein, C. David Shaffer 
for LLNL (February 1993) 
PITT445  "New Relativistic SMatrix Results for Scattering  Beyond the Usual
Anomalous Factors/Beyond Impulse
Approximation" 
R. H. Pratt, Lynn Kissel, and P . M. Bergstrom, Jr. 
Applications, edited by G. Materlik, C. J. Sparks, and K. Fischer, NorthHolland, Amsterdam (1994), 933 
PITT444  "Atomic Physics Research with an XRay Laser"  R. H. Pratt and Bernd Crasemann 
of Short Wave Length Coherent Light Sources, Stanford, CA, October 24, 1992, W. Spicer, Chairman, SLAC Report 414, February 1993, 1722 
PITT443  "Compton scattering of photons from bound electrons: full relativistic IPA calculations"  P. M. Bergstrom, T. Suric, K. Pisk, and R. H. Pratt 
48, 11341162 (1993) 
PITT442  "Inelastic Scattering from Bound Electrons at Synchrotron Radiation Energies"  P. M. Bergstrom, Jr. 
79, 240243 (1993) 
PITT440  "Rayleigh Scattering by Energetic Photons: Development of Theory and Current Status"  S. C. Roy, R. H. Pratt, and Lynn Kissel 
41, 725738 (1992) 
PITT439  "Compton Scattering of Photons from Bound Electrons for Soft Scattered Photon Energies"  P. M. Bergstrom, Jr. 
for LLNL (1992) 
PITT438  "Parallelization of Second Order Smatrix Compton Scattering Code"  C. David Shaffer and Yoseph Stein 
for LLNL (1992) 
PITT437  "Emission and Absorption of Radiation by Structured Particles"  M. Ya Amusia and R. H. Pratt 
28, 247258 (1992) 
PITT434  "ManyElectron Correlation Effects on Anomalous Scattering Factors"  B. Zhou, L. Kissel, and R. H. Pratt 
45, 69066909 (1992) 
PITT432  "Notes on Compton Scattering"  P. Bergstrom 
to LLNL (1991) 
PITT431  "SecondOrder Corrections to the Wave Function of a CoulombField Electron in a Weak Uniform Harmonic Electric Field"  V. Florescu, A. Halacz, and M. Marinescu 
47, 394404 (1993) 
PITT430  Preliminary Study of the ManyElectron Correlation Effect on Anomalous Scattering Factors"  B. Zhou 
to LLNL (1991) 
PITT429  "Simple Analytic Scheme for Real XRay Rayleigh Scattering Factors of Ions"  B. Zhou 
to LLNL (1991) 
PITT427  "Compton Scattering from Bound Electrons: Comparisons of the Impulse Approximation with Exact IPA Calculations"  T. Suric 
314, 240244 (1992) 
PITT426  "Some Preliminary Calculations of Whole Atom Compton Scattering of Unpolarized Photons"  P. Bergstrom, T. Suric, K. Pisk, and R. H. Pratt 
71, 16 (1992) 
PITT423  "Simple Computational Scheme for XRay Anomalous Scattering Factors for Ions"  B. Zhou, L. Kissel, and R. H. Pratt 
66, 307312 (1992) 
PITT422  "Near Threshold Structures in Anomalous Scattering Factors"  B. Zhou, L. Kissel, and R. H. Pratt 
45, 29832988 (1992) 
PITT421  "Compton Scattering by Inner Shell Electrons"  T. Suric, P. M. Bergstrom, Jr., K. Pisk, and R. H. Pratt 
67, 189192 (1991) 
PITT415  "Scattering of Photons from Atomic Electrons"  R. H. Pratt, L. Kissel, B. Zhou, P. M. Bergstrom, Jr., K. Pisk, and T. Suric 
Sarasota FL, Oct. 1990 (World Scientific) 263272 
PITT414  "Survey of Compton Scattering Experiments"  M. Chakrabarty, S. C. Roy, S. K. Sen Gupta, and R. H. Pratt 
54, 130 (1991) 
PITT413  "Preliminary Results: Compton Scattering from Atoms"  T. Suric, P. M. Bergstrom, Jr., K. Pisk, and R. H. Pratt 
(1990) 
PITT412  "Simple Calculational Scheme for Anomalous Scattering Factors for Ions"  B. Zhou, L. Kissel, and R. H. Pratt 
(1990) 
PITT411  "Evaluation of Anomalous Scattering Factors in the EPDL Library"  B. Zhou, L. Kissel, and R. H. Pratt 
(1990) 
PITT410  "XRay Scattering"  R. H. Pratt 
edited by T. Carlson, M. Krause, and S. Manson American Institute of Physics, New York (1990), 8798 
PITT409  "Survey of Compton Scattering Experiments"  S. C. Roy and R. H. Pratt 
(1990) 
PITT403  "MFWAC Calculation of Rayleigh Scattering for Ions"  B. Zhou, S. C. Roy, R. H. Pratt, and L. Kissel 
for LLNL (1989) 
PITT402  Use of Modified Form Factor with Anomalous Corrections in Rayleigh Scattering"  B. Zhou, S. K. Sen Gupta, S. C. Roy, L. Kissel, and R. H. Pratt 
for LLNL (1989) 
PITT400  "Relativistic Effects on LowFrequency Rayleigh Scattering Including Spin Flip for Hydrogenic Atoms"  V. Florescu, M. Marinescu, and R. H. Pratt 
42, 38443851 (1990) 
PITT398  "Calculation of Anomalous Scattering for Ions and Atoms"  Bin Zhou, R. H. Pratt, S. C. Roy, and L. Kissel 
Hawaii, 1621 July 1989, Physica Scripta 41, 495498 (1990) 
PITT397  "Near Threshold Behavior of Rayleigh Scattering"  S. C. Roy, Lynn Kissel, and R. H. Pratt 
Hawaii, 1621 July 1989, Physica Scripta 41, 479481 (1990) 
PITT394  "Photoionization and Photon Scattering from FewElectron Ions"  R. H. Pratt 
February 1989, Spectroscopy and Collisions of Few Electron Atoms, M. Ivascu et al. eds., World Scientific, Singapore (1989) 
PITT391  "Validity of Form Factor Approximation in Rayleigh Scattering"  Bin Zhou, S. C. Roy, L. D. Kissel, and R. H. Pratt 
to LLNL (1989) 
PITT390  "Corrections to Tabulated Anomalous Scattering Factors"  Lynn Kissel and R. H. Pratt 
46, 170175 (1990) 
PITT385  "Rayleigh Scattering from Ions Near Threshold"  S. C. Roy, S. K. Sen Gupta, L. Kissel, and R. H. Pratt 
48 October 1988, Nucl. Instru. Meth. A 280, 198201 (1989) 
PITT382  "Survey of Elastic Scattering Experiments in the XRay and Delbruck Regimes"  S. K. Sen Gupta, D. A. Bradley, S. C. Roy, and R. H. Pratt 
51, 169189 (1988) 
PITT381  "Archival Storage of Rayleigh Scattering Data"  Lynn Kissel and S. C. Roy 
(1988) 
PITT377  "Elastic Scattering of Photons by Bound Electrons in Hot and Dense Aluminum Plasmas"  A. Bechler, Y. Kuang, and R. H. Pratt 
40, 613617 (1988) 
PITT376  "Theory of Anomalous XRay Scattering from Atoms and Ions"  R. H. Pratt and Lynn Kissel 
meeting, Los Angeles, January, 1988 
PITT375  "New Developments in Elastic Photon Atom Scattering"  R. H. Pratt 
Radiation Physics, Mangalore, India, 1620 November, 1987 
PITT374  "Inelastic and Anomalous Elastic Scattering of 88.03 KeV Gamma Rays"  P. P. Kane, G. Basavaraju, Saharsha M. Lad, K. M. Varier, Lynn Kissel, and R. H. Pratt 
Paris, France, Sept. 1418, 1987, J. de Phys 48, Colloque C9, 835837 (1987) 
PITT373  "Numerical Calculation of InnerShell Rayleigh Scattering near Threshold"  L. D. Kissel and R. H. Pratt 
Paris France, Sept. 1418, 1987, J. de Phys. 48, Colloque C9, 859862 (1987) 
PITT369  "Inelastic and Anomalous Elastic Scattering of 88.03 KeV Gamma Rays"  P. P. Kane, G. Basavaraju, S. M. Lad, K. M. Varier, L. D. Kissel, and R. H. Pratt 
36, 56265631 (1987) 
PITT367  "Workshop Report on New Directions in XRay Scattering"  ed. N. K. Del Grande and R. H. Pratt 

PITT366  "Soft XRay Near Threshold Phenomena: Theory"  R. H. Pratt 
Soft XRay Near Threshold Phenomena, Asilomar, Pacific Grove, CA, March 14 (1987) 
PITT363  "Parametrization of the Total Coherent Scattering Cross Section [sigma]_{coh}"  S. Sen Gupta 
(1987) 
PITT360  "On the Properties of the Linear Response of the Hydrogen Atom to an oneMode Electromagnetic Field"  V. Florescu and R. H. Pratt 
(1986) 
PITT348  "Elastic Scattering of Photons by BoundElectrons in Hot and Dense Al Plasmas"  A. Bechler 
(1986) 
PITT346  "Rayleigh Scattering by Atomic Ions of Low Nuclear Charge"  G. Basavaraju, L. Kissel, J. C. Parker, R. H. Pratt, S. C. Roy, and S. K. Sen Gupta 
34, 19051911 (1986) 
PITT342  "Some Features of KShell Rayleigh Scattering Amplitudes of Oxygen: Neutral Atoms and Ions"  S. K. Sen Gupta 
to LLNL (1986) 
PITT341  "Survey of Elastic Scattering Experiments in the XRay and Delbruck Regimes"  S. K. Sen Gupta, D. A. Bradley, S. C. Roy, and R. H. Pratt 
51(4), 169189 (1988) 
PITT340  "Corrections to SMatrix Results for Anomalous Scattering"  M. Gavrila 
to LLNL (1986) 
PITT338  "Polarization Effects in Elastic PhotonAtom Scattering"  S. C. Roy, B. Sarkar, L. Kissel, and R. H. Pratt 
34, 11781187 (1986) 
PITT337  "Elastic Scattering of [gamma]Rays and XRays by Atoms"  P.P. Kane, L. Kissel, R. H. Pratt, and S. C. Roy 
140, 75159 (1986) 
PITT336  "Studies of Linear Polarization of Elastically Scattered Gamma Rays"  S. C. Roy, B. Sarkar, L. Kissel, and R. H. Pratt 
255, 6667 (1987) 
PITT335  "Parametrization of the Cross Sections of Photon Absorption and Scattering"  A. Bechler, R. Dutt, S. K. Sen Gupta, and R. H. Pratt 
255, 4345 (1987) 
PITT329  "Sensitivity of Rayleigh Amplitudes to the Atomic Potential"  G. Basavaraju 
(1985) 
PITT328  "Some Features of K Shell Rayleigh Scattering Amplitudes near the K Edge"  G. Basavaraju 
(1985) 
PITT327  "Rayleigh Scattering by Atomic Ions of Low Nuclear Charge"  G. Basavaraju, J. C. Parker, and S. C. Roy 
(1985) 
PITT324  "Simple Model to Predict Total Scattering Cross Section for Neutral Atoms"  R. Dutt and S. K. Sen Gupta 
to LLNL (1985) 
PITT318  "Rayleigh Scattering of Photons by Atomic Ions of Low Nuclear Charge"  G. Basavaraju and S. C. Roy 
to LLNL (1984) 
PITT314  "Rayleigh Scattering SMatrix Calculations: How Accurate is the Atomic Description?"  M. Gavrila 
to LLNL (1984) 
PITT306  "An Assessment of the Accuracy of Rayleigh Scattering SMatrix Computations I"  M. Gavrila 
to LLNL (1983) 
PITT304  "Rayleigh Scattering: Elastic Photon Scattering by Bound Electrons"  L. Kissel and R. H. Pratt 
edited by B. Crasemann, Plenum, Ch. 11, 465532 (1985) 
PITT301  "Importance of BoundBound Transitions in the Dispersion Relation for Calculation in the Dispersion of Soft XRay Forward Rayleigh Scattering from Light Elements"  M. S. Wang and R. H. Pratt 
28, 31153116 (1983) 
PITT295  "Program for Calculating Rayleigh Scattering Amplitudes from a Simple Parametrization"  M. S. Wang and I. B. Goldberg 
(1982) 
PITT293  "PhotonAtom Elastic Scattering"  M. Gavrila 
to LLNL (1982) 
PITT286  "Validity of Common Assumptions for Anomalous Scattering"  J. C. Parker and R. H. Pratt 
29, 152158 (1984) 
PITT283  "Validity of FormFactor Theories for Small Angle Elastic Photon Scattering"  S. C. Roy, L. D. Kissel, and R. H. Pratt 
May 2530, 1982 
PITT282b  "Theories of Coherent Scattering of XRays and [gamma]Rays by Atoms"  R. H. Pratt 
May 2530, 1982 
PITT281  "Analytic Parametrization of the Real Part of the Forward Angle Total Rayleigh Scattering Amplitude"  M. S. Wang 
to LLNL (1982) 
PITT280  "Analytic Parametrization of Total Photoeffect Cross Sections and Forward Angle Rayleigh Scattering Amplitudes"  M. S. Wang and R. H. Pratt 
May, 1982 
PITT277  "Validity of Nonrelativistic Dipole Approximation for Forward Rayleigh Scattering"  S. C. Roy and R. H. Pratt 
26, 651653 (1982) 
PITT276  "Elastic Photon Scattering at Small Momentum Transfer and Validity of Form Factor Theories"  S. C. Roy, L. D. Kissel, and R. H. Pratt 
27, 285290 (1983) 
PITT275  "The Real Part of the Forward Rayleigh Amplitude"  M. S. Wang 
to LLNL (1981) 
PITT271  "Analytic Parametrization of the Imaginary Part of the Rayleigh Amplitude at Forward Angles"  M. S. Wang 
to LLNL (1981) 
PITT268  "Retardation in Rayleigh Scattering by Kshell Electrons"  M. Gavrila 
to LLNL (1981) 
PITT259  "Rayleigh Scattering Angular Distributions"  J. C. Parker 
(1981) 
PITT258  "Development of a Simple Functional Form of the Real Part of Rayleigh Amplitude at forward Angle"  S. C. Roy 
(1981) 
PITT255  "Additions and Errata to: Rayleigh Scattering Amplitudes and Cross Sections from C, C^{+2}, C^{+4}, Ne, Ne^{+8}, Al, Zn, Pb and Pb^{+8}"  David J. Botto and S. C. Roy 
(1981) 
PITT252  "Toward a Simple Prediction for Estimating the Imaginary Part of Rayleigh Amplitudes"  D. J. Botto 
(1981) 
PITT238a  "Rayleigh Scattering at Xray Energies"  J. C. Parker, R. H. Pratt, and L. Kissel 
edited by D. J. Fabian, H. Kleinpoppen, and L. M. Watson, Plenum Publishing Corp., 391394 (1981) 
PITT234  "Rayleigh Scattering Amplitudes and Cross Sections from C, C^{+2}, C^{+4}, Ne, Ne^{+8}, Al, Zn, Pb and Pb^{+80}"  J. C. Parker 
to LLNL (1980) 
PITT233  "A Survey of Experimental Work on Elastic Scattering of X and Gamma Rays"  S. C. Roy 
to LLNL (1980) 
PITT231  "Assessment of the Compton Scattering Code"  J. Parker 
to LLNL (1980) 
PITT230  "Towards Development of a Prescription to Estimate Accurate Total Atom Rayleigh Scattering Amplitudes"  S. C. Roy 
to LLNL (1980) 
PITT229  "Compton Scattering"  D. J. Botto 
to LLNL (1980) 
PITT227  "Rayleigh Scattering Amplitudes for Neon and Carbon: 100 eV to 30 keV"  J. C. Parker and R. H. Pratt 
(1979) 
PITT225  "Rayleigh Scattering: Comparison of Theory and Experiment for Pb, 1451332 keV"  S. C. Roy 
to LLNL (1980) 
PITT224  "Relativistic Treatment of Compton Scattering From Bound Electrons"  D. J. Botto 
(1980) 
PITT218  "Rayleigh Scattering by Neutral Atoms, 100 eV to 10 MeV"  L. Kissel, R. H. Pratt, and S. C. Roy 
22, 19702004 (1980) 
PITT215  "Some Features of Rayleigh Scattering from Light Atoms and Ions"  J. C. Parker and R. H. Pratt 
(1979) 
PITT213  "Compton Scattering"  D. J. Botto and R. H. Pratt 
to LLNL (1979) 
PITT206  "Calculating Rayleigh Scattering Amplitudes from 100 eV to 10 MeV"  J. C. Parker, G. W. Reynaud, D. J. Botto, and R. H. Pratt 
to LLNL (1979) 
PITT177  "Rayleigh Scattering Amplitudes for Some Neutral GroundState Atoms 5 keV  2.75 MeV Numerical Results by Subshell"  L. Kissel and R. H. Pratt 
to LLNL (1977) 
PITT174  "New Predictions for Rayleigh Scattering 10 KeV  10 MeV"  L. Kissel and R. H. Pratt 
40, 387390 (1978) 
PITT159  "Elastic Scattering of Photons by KShell Electrons at High Energies"  V. Florescu and M. Gavrila 
14, 211235 (1976) 
PITT107  "Quantum Electrodynamics of Intense Photon Beams"  I. B. Birula and Z. B. Birula 
8, 31463153 (1973) 
Report No. 2  "Coherent and Incoherent Scattering of Photons by Bound Electrons. Limitations of Present Theoretical Evaluations of the Cross Sections"  H. K. Tseng, M. Gavrila, and R. H. Pratt 
NBS (May 1973) 
NYO382934  "Coulomb Group Theory for any Spin"  T. F. Jordan and R. H. Pratt 
188, 25342535 (1969) 
NYO382917  "Theory of GammaRay Cross Sections"  R. H. Pratt 

PITT554  "Review of structures in low energy bremsstrahlung: classical and quantum descriptions"  O. I. Obolensky, and R. H. Pratt 
75, 130813 (2006) 
PITT551  "Comparison of theory and expreiment for polarizational bremsstrahlung"  O. I. Obolensky, and R. H. Pratt 
75, 223946 (2006) 
PITT543  "Trajectories of matrix element zeros"  O. I. Obolensky, A. V. Korol and R. H. Pratt 
71(3/4), 67778 (2004) 
PITT538  "Comparison of classical and quantum bremsstrahlung"  D. B. Uskov, and R. H. Pratt 
680 10610 (2003) 
PITT537  "Comparison of classical and quantum bremsstrahlung"  R. H. Pratt, D. B. Uskov, A. V. Korol and O. I. Obolensky 
680 11923 (2003) 
PITT534  "Structures in lowenergy classical bremsstrahlung"  A. Florescu, O. Obolensky and R. H. Pratt 
35, 29112925 (2002) 
PITT531  "On the stripping approximation in the bremsstrahlung process"  A. V. Korol, A. G. Lyalin, A. V. Solov'yov, N. B. Avdonina, R. H. Pratt 
35, 11971210 (2002) 
PITT524  "Structures in the energy dependence of classical and quantum bremsstrahlung"  A. Florescu, O. I. Obolensky, C. D. Shaffer, and R. H. Pratt 
"Application of Accelerators in Research and Industry", Melville, New York, 2001, edited by J. L. Duggan and I. L. Morgan, 6063 
PITT514  "Bremsstrahlung from thick targets, and new diagnostics for electron energy distributions"  M. Lamoureux, P. Waller, P. Charles, and N. B. Avdonina 
62, 40914095 (2000) 
PITT506  "Bremsstrahlung spectra from atoms and ions at low relativistic energies"  Nina Avdonina and R. H. Pratt 
32, 42614276 (1999) 
PITT503  "Energy losses for bremsstrahlung from atomic ions"  Nina Avdonina 
T80, 28892915 (1999) 
PITT495  "Study of electron bremsstrahlung in strong coulomb fields at the ESR storage ring"  T. Ludziejewski, Th. Stohlker, S. Keller, H. Beyer, F. Bosch, O. Brinzanescu, C. Kozhuharov, A. Kramer, D. Liesen, P. H. Mokler, R. H. Pratt, P. Rymuza, C. D. Shaffer, Z. Stachura, P. Swiat, and A. Warczak 
114, 165169 (1998) 
PITT489  "Bremsstrahlung from ions"  N. B. Avdonina and R. H. Pratt 
edited by J. L. Duggan and I. L. Morgan AIP Conf. Proc. No. 392 (AIP, Woodbury, New York 1997), 249252 
PITT487  "Comparison of relativistic partial wave calculations of triply differential electronatom bremsstrahlung with simplier theories"  C. David Shaffer and R. H. Pratt 
56, 36533658 (1997) 
PITT486  "Zeroes in (inverse) bremsstrahlung matrix elements"  C. David Shaffer, R. H. Pratt, and Sung Dahm Oh 
57, 227234 (1998) 
PITT485  "Parametrization of the coulombic bremsstrahlung spectrum"  N.B. Avdonina and R.H. Pratt 
71B, 209222 (1997) 
PITT484  "New information from bremsstruhlung: new calculations for new experiments"  R. H. Pratt 
71B, 349361 (1997) 
PITT482  "Bremsstrahlung in hot plasmas with partially ionized atoms"  M. Lamoureux and N. B. Avdonina 
55, 912926 (1997) 
PITT481  "Parametrization of the bremsstrahlung spectrum from atomic ions 0.0022.0 MEV"  N. B. Avdonina 
(1996) 
PITT477  "Triply differential cross section and polarization correlations in electron bremsstrahlung emission"  C. D. Shaffer, X. Tong, and R. H. Pratt 
53, 41584163 (1996) 
PITT476  "New results for radiative transition matrix elements"  S. D. Oh and R. H. Pratt 
32, No.6, 363376 (1996) 
PITT473  "Determination of bremsstrahlung emissivity coefficients for plasmas with partially ionized atoms"  M. Lamoureaux, N. Avdonina, and R. H. Pratt 
edited by M. Sekiguchi and T. Nakagawa, INSJ182, Sept. 1995, 176179 
PITT471  "Retardation Effects in Nonrelativistic TwoPhoton Electron Bremsstrahlung in the Coulomb Field"  M. Dondera, Viorica Florescu, and R. H. Pratt 
53, 14921497 (1996) 
PITT470  "Bremsstrahlung from Ions"  Nina Avdonina and R. H. Pratt 
99, 166169 (1995) 
PITT469  "New Developments in the Theory of Bremsstrahlung"  R. H. Pratt, C. David Shaffer, N. B. Avdonina, XiaoMin Tong, and V. Florescu 
99, 156159 (1995) 
PITT466  "Energy Losses and Spectra from Electron Bremsstrahlung in a Screened Atomic Potential"  N. B. Avdonina, M. Lamoureux, and R. H. Pratt 
46, 445446 (1995) 
PITT453  "Effect of Screening on the Radiative Tail of Elastic Scattering of Electrons from Ions"  N. B. Avdonina and R. H. Pratt 
27, 42634270 (1994) 
PITT446  "Bremsstrahlung Spectrum From Ions In A Model Potential Approximation"  N. B. Avdonina and R. H. Pratt 
50, 349358 (1993) 
PITT436  "Polarization Bremsstrahlung Radiation"  Bin Zhou 

PITT407  "Average Atom and Detailed Configuration Accounting Calculations of Bremsstrahlung in Aluminum Plasmas"  P. M. Bergstrom, Jr., Longhuan Kim, and R. H. Pratt 
45, 105114 (1991) 
PITT380  "Angular Distribution and Polarization of the Continuum Emission in Anisotropic Plasmas "  M. Lamoureux, L. Jacquet, and R. H. Pratt 
Phys. Rev. A 39, 63236334 (1989) 
PITT371(a)  "Angular Distribution and Polarization of the Continuum Emission in Plasmas with Toroidal Symmetry"  M. Lamoureux, J. Jacquet, and R. H. Pratt 
Colloque C1, 223225 (1988) 
PITT371  "Xray Bremsstrahlung Emission due to Plasma Superthermal Electrons"  M. Lamoureux, R. H. Pratt, and L. Jacquet 
Paris France, Sept. 1418, 1987, J. de Phys. 48, Colloque C9, 355358 (1987) 
PITT362  "A Fortran Program (KCRBPM) for the Determination of Bremsstrahlung (on VAX 8600) including Treatment of Angular Distribution and Polarization"  M. Lamoureux 
(1986) 
PITT359  "High Energy Atomic Photoelectric Effect and Bremsstrahlung"  R. Y. Yin, O. V. Gabriel, and R. H. Pratt 
36, 12071219 (1987) 
PITT358  "Numerical Calculation of Classical Bremsstrahlung"  L. Kim and R. H. Pratt 
36, 4558 (1987) 
PITT355  "BREMS: A Fortran Program for the Calculation of Bremsstrahlung Cross
Section (on VAX8600)"
User's Guide 
L. Wang 
(1986) 
PITT339  "Can Simple Methods and Simple Potentials be used in Obtaining FreeFree Gaunt Factors for Strongly Coupled Aluminum Plasmas?"  M. Lamoureux, R. Cauble, L. Kim, F. Perrot, and R. H. Pratt 
December 1985 
PITT332  "Comparison of Atomic Potentials and Bremsstrahlung Gaunt Factors in Dense Aluminum Plasmas"  M. Lamoureux, R. Cauble, L. Kim, F. Perrot, and R. H. Pratt 
37, 283295 (1987) 
PITT330  "Ratio of Positron to Electron Bremsstrahlung Energy Loss: An Approximate Scaling Law"  L. Kim, R. H. Pratt, S. M. Seltzer, and M. J. Berger 
33, 30023009 (1986) 
PITT325  "Comparative Study of Electron Bremsstrahlung in Various High pT Potentials"  M. Lamoureux, R. Cauble, L. Kim, F. Perrot, and R. H. Pratt 
in Proceedings 8th International Colloquium on Ultraviolet and XRay Spectroscopy of Laboratory Plasmas (NRL, 1984) 
PITT323  "PartialWave Analysis of the Electron Bremsstrahlung Spectrum from Atoms"  H. K. Tseng, R. L. Chang, and R. H. Pratt 
22, 4152 (1984) 
PITT322  "Radiation in Collisions/Electron Bremsstrahlung"  R. H. Pratt 
Poiana Brasov, Romania, Aug. 28Sept. 8, 1984, edited by A. L. Berinde, I. A. Dorobantu, and V. Zoran, 333370 (1986) 
PITT319  "Bremsstrahlung Spectra for Al, Cs and Au Atoms in a High T,p Plasma"  L. Kim, R. H. Pratt, and H. K. Tseng 
32, 16931702 (1985) 
PITT312  "A Simple Classical Method to Evaluate Gaunt Factors on Atoms and Plasmas"  M. Lamoureux and R. H. Pratt 

PITT308  "ElectronAtom Bremsstrahlung"  R. H. Pratt and I. J. Feng 
edited by B. Crasemann, Plenum, Ch. 12, 533580 (1985) 
PITT297  "Coupling of the Radiation Field to the ElectronAtom Collision System*"  R. H. Pratt 
August 1982, Maratea, Italy, edited by H. O. Lutz, J. S. Briggs, and H. Kleinpoppen, Plenum, 145182 (1983) 
PITT290  "Connection Between the Bremsstrahlung Tip and Direct Radiative Recombination(DRR)Angular Distributions and Polarization Correlations"  I. J. Feng, I. B. Goldberg, Y. S. Kim , and R. H. Pratt 
28, 609614 (1983) 
PITT288  "Calculation of FreeFree Gaunt Factors in Hot Dense Plasmas"  I. J. Feng, M. Lamoureux, R. H. Pratt, and H. K. Tseng 
27, 32093215 (1983) 
PITT285  "Shape Functions for AtomicField Bremsstrahlung from Electrons of Kinetic Energy 1500 keV on Selected Neutral Atoms 1 <= Z <= 92"  L. D. Kissel, C. A. Quarles, and R. H. Pratt 
28, 381460 (1983) 
PITT284  "Numerical Bremsstrahlung and Pair Production CrossSection Calculations"  L. D. Kissel 
(1975) 
PITT282a  "Characterization of the Bremsstrahlung Spectrum"  I. J. Feng and R. H. Pratt 
May, 1982 
PITT279  "The Electron Bremsstrahlung Spectrum from Neutral Atoms and Ions"  R. H. Pratt and I. J. Feng 
Vol. II, 307321 (Academic Press, 1984) 
PITT273a  "Electron Bremsstrahlung Angular Distribution Fits for Atomic Numbers 1 <= Z <=92, and Incident Electron Energies 1 keV <= T <= 500 keV"  L. D. Kissel 
SAND812154 (1982) 
PITT273  "Bremsstrahlung Energy Spectra from Electrons of Kinetic Energy 1 keV <= T <= 2000 keV Incident on Neutral Atoms 1 <= Z <= 92"  L. D.Kissel, C. MacCallum, and R. H. Pratt 
SAND811337 (1981) 
PITT269  "Numerical Bremsstrahlung and Pair Production CrossSection Calculations"  L. D. Kissel 
(1975) (Same as 284) 
PITT266  "Parametrization of the Bremsstrahlung Spectrum"  I. J. Feng and R. H. Pratt 
to LLNL (1981) 
PITT256  "Positron Bremsstrahlung"  I. J. Feng, R. H. Pratt, and H. K. Tseng 
24, 13581363 (1981) 
PITT254  "Effective Z Scaling of Low Energy Bremsstrahlung"  D. J. Botto 
(1981) 
PITT249  "Calculation of FreeFree Gaunt Factors for 1 keV Electrons in a 1keV Normal Density Ce Plasma"  M. Lamoureux, I. J. Feng, R. H. Pratt, and H. K. Tseng 
27, 227231 (1982) 
PITT241  "Radiative Corrections to Atomic Photoeffect and TipBremsstrahlung III"  D. J. Botto and M. Gavrila 
26, 237249 (1982) 
PITT237  "Electron Bremsstrahlung X80: Theory and Recent Developments"  R. H. Pratt 
edited by D. J. Fabian and H. Kleinpoppen, (Plenum Publishing Corp., 1981), 367378 
PITT228  "Electron Bremsstrahlung Spectrum"  R. H. Pratt 
10, 121131 (1981) 
PITT207  "Electron Bremsstrahlung Energy Spectra Above 2 MeV"  H. K. Tseng and R. H. Pratt 
19, 15251528 (1979) 
PITT202a  "Electron Bremsstrahlung Energy Spectra, 1 keV  1000 MeV"  R. H. Pratt and H. K. Tseng 
17 (Suppl. 2), 347349 (1978) 
PITT202  "Electron Bremsstrahlung"  R. H. Pratt 

PITT200  "Analytic Screened Calculation of the Electron Bremsstrahlung Matrix Element"  A. Bechler and R. H. Pratt 
(1978) 
PITT196  "Electron Bremsstrahlung Angular Distributions in the 1  500 keV Energy Range"  H. K. Tseng, R. H. Pratt, and C. M. Lee 
19, 187195 (1979) 
PITT180  "Bremsstrahlung Energy Spectra from Electrons of Kinetic Energy 1 keV <= T_{1} <= 2000 keV Incident on Neutral Atoms 2 <= Z <= 92"  R. H. Pratt, H. K. Tseng, C. M. Lee, L. Kissel, C. MacCallum, and M. Riley 
20, 175209 (1977). Erratum: Atomic Data and Nuclear Data Tables 26, 477481 (1981) 
PITT179  "Benchmark Bremsstrahlung Energy Spectrum Data for 1 and 2 MeV"  L. Kissel and C. MacCallum 
(1977) 
PITT171  "Comment on the Use of the Low Energy Theorem in Determining the Bremsstrahlung Spectrum"  R. H. Pratt and C. M. Lee 
16, 17331735 (1977) 
PITT168  "Radiative Corrections to the HighFrequency End of the Bremsstrahlung Spectrum"  J. McEnnan and M. Gavrila 
15, 15571562 (1977) 
PITT165  "Bremsstrahlung Spectrum from Atomic Ions"  C. M. Lee, R. H. Pratt, and H. K. Tseng 
16, 21692173 (1977) 
PITT163  "Radiative Corrections to Photoeffect and TipBremsstrahlung"  J. McEnnan and M. Gavrila 

PITT157  "Application of Low Energy Theorem for Bremsstrahlung"  C. M. Lee, R. H. Pratt, and Simon Yu 

PITT152  "Electron Bremsstrahlung Spectrum 1500 KeV"  C. M. Lee, L. D. Kissel, R. H. Pratt, and H. K. Tseng 
13, 17141727 (1976) 
PITT145  "Comment on Structure Near the Cutoff of the Continuous Xray Spectrum of Lanthanum"  C. M. Lee and R. H. Pratt 
12, 707709 (1975) 
PITT140  "Tip Region of the Bremsstrahlung Spectrum from Incident Electrons of Kinetic Energy 50 KeV  1.84 MeV"  R. H. Pratt and H. K.Tseng 
11, 17971803 (1975) 
Supp. 1975  "Electron Photon Interactions in Atomic Fields"  R. H. Pratt 
Taiwan, Republic of China (1975) 
PITT131  "Electron Bremsstrahlung from Neutral Atoms"  H. K. Tseng and R. H. Pratt 
33, 516518 (1974) 
PITT130  "The Tip Region of the Bremsstrahlung Spectrum"  H. K. Tseng and R. H. Pratt 

PITT104  "Polarization Correlations in AtomicField Bremsstrahlung"  H. K. Tseng and R. H. Pratt 
7, 15021515 (1973) 
PITT93  "Use of FurrySommerfeldMaue Wave Functions in Pair Production and Bremsstrahlung"  J. K. Fink and R. H. Pratt 
7, 392 (1973) 
NYO382951  "Exact Screened Calculations of Atomic Field Bremsstrahlung"  H. K. Tseng and R. H. Pratt 
3, 100115 (1971) 
NYO382938  "Comments on the Calculation of Relativistic Bremsstrahlung Cross Sections"  H. K. Tseng and R. H. Pratt 
1, 528531 (1970) 
STAN22  "Nuclear Size and Magnetic Effects in Bremsstrahlung from ElectronNucleus Scattering"  Edward S. Ginsberg and R. H. Pratt 
137, B15001504 (1965) 
STAN17  "Note on the Use of the BetheHeitler Bremsstrahlung Spectrum in Cross Section Measurements"  J. Goldemberg and R. H. Pratt 
No. 316 (1963) 
STAN14  "HighFrequency Region of the Spectrum of Electron and Positron Bremsstrahlung II"  R. J. Jabbur and R. H. Pratt 
133, B10901091 (1964) 
STAN10  "HighFrequency Region of the Spectrum of Electron and Positron Bremsstrahlung"  R. J. Jabbur and R. H. Pratt 
129, 184190 (1963) 
STAN7  "Transfer of Helicity in Radiation and Absorption of HighEnergy Photons"  R. H. Pratt 
123, 15081510 (1961) 
STAN6  "HighFrequency Region of the Bremsstrahlung Spectrum"  R. H. Pratt 
120, 17171722 (1960) 
PITT573  "Two photon decay of inner shell vacancies in heavy atoms"  A. Surzhykov, R. H. Pratt, and S. Fritzsche 
XXXX 
PITT549  "Minima of generalized oscillator strengths of atomic transitions and the approach to the high energy limit"  N. B. Avdonina, D. Fursa, A. Z. Mszane and R. H. Pratt 
71, 062711 (2005) 
PITT517  "Photonpolarization effects and their angular dependence in twophoton boundbound transitions"  N. L. Manakov, A. V. Meremianin, A. Maquet, and J. P. J. Carney 
At. Mol. Opt. Phys. 33, 44254446 (2000) 
PITT476  "New results for radiative transition matrix elements"  S. D. Oh and R. H. Pratt 
32, No.6, 363376 (1996) 
PITT462  "On Dynamic Polarizability of Rydberg States Averaged Over the Angular Quantum Numbers"  I. Beigman, L. Bureyeva, and R. H. Pratt 
27, 58335840 (1994) 
PITT435  "Use of the Evaluated Photon Data Library in Fluorescer"  Paul. M. Bergstrom, Jr 
to LLNL (1991) 
PITT406  "TwoPhoton Transitions in Atomic Inner Shells  Relativistic and Atomic Screening Effects"  XiaoMin Tong, JiaMing Li (C.M.Lee), L. Kissel, and R. H. Pratt 
42, 14421449 (1990) 
PITT405  "Fluorescence and the FLUORESCER Code"  P. M. Bergstrom, Jr. and R. H. Pratt 
for LLNL (1989) 
PITT301  "Importance of BoundBound Transitions in the Dispersion Relation for Calculation in the Dispersion of Soft XRay Forward Rayleigh Scattering from Light Elements"  M. S. Wang and R. H. Pratt 
28, 31153116 (1983) 
PITT289  "Analytic Expressions for BoundBound and BoundFree Dipole Transition Matrix Elements of Atomic Inner Shells"  M. S. Wang and R. H. Pratt 
27, 19391942 (1983) 
PITT264  "Screening Corrections to the Hyperfine Splitting of InnerShell Atomic Energy Levels"  O. V. Gabriel and R. H. Pratt 
25, 25922595 (1982) 
PITT262  "InnerShell Analytic Relativistic Radiative Transition Rates in Screened Potentials"  O. V. Gabriel, S. Chaudhuri, and R. H. Pratt 
24, 30883101 (1981) 
PITT232  "Inner Shell BoundBound Generalized Oscillator Strengths for Screened Potentials"  O. V. Gabriel and R. H. Pratt 
22, 27892791 (1980) 
PITT189  "Analytic Description of Inner Shell BoundBound Transitions"  Y. S. Kim, S. D. Oh, and R. H. Pratt 
18, 194195 (1978) 
PITT482  "Bremsstrahlung in hot plasmas with partially ionized atoms"  M. Lamoureux and N. B. Avdonina 
55, 912926 (1997) 
PITT420  "Effect of Nearest Neighbor Ions on Excited Ionic States, Emission Spectra and Line Profiles in Hot and Dense Plasmas"  D. Salzmann, J. Stein, I. B. Goldberg, and R. H. Pratt 
44, 12701280 (1991) 
PITT419  "The Effect of Nearest Neighbor Ions on Excited Ionic States and Line Profiles in the Emission Spectra of Lilike Krypton in Hot and Dense Plasmas"  J. Stein, D. Salzmann, I. B. Goldberg, and R. H. Pratt 
Sarasota FL, 2226 October 1990, World Scientific 
PITT417  "Thermodynamic Properties and the Ionization Potential Lowering of Excited Ions in Hot and Dense Plasmas"  D. Salzmann, J. Stein, I. B. Goldberg, and R. H. Pratt 
World Scientific, Singapore (1991), 103110 
PITT407  "Average Atom and Detailed Configuration Accounting Calculations of Bremsstrahlung in Aluminum Plasmas"  P. M. Bergstrom, Jr., Longhuan Kim, and R. H. Pratt 
45, 105114 (1991) 
PITT383  "Nearest Neighbor Effects in Hot and Dense Plasmas: I. Thermodynamic Properties"  J. Stein, I. B. Goldberg, D. Shalitin, and D. Salzmann 
39, 20782084 (1989) 
PITT380  "Angular Distribution and Polarization of the Continuum Emission in Anisotropic Plasmas "  M. Lamoureux, L. Jacquet, and R. H. Pratt 
Phys. Rev. A 39, 63236334 (1989) 
PITT377  "Elastic Scattering of Photons by Bound Electrons in Hot and Dense Aluminum Plasmas"  A. Bechler, Y. Kuang, and R. H. Pratt 
40, 613 (1988) 
PITT371  "Xray Bremsstrahlung Emission due to Plasma Superthermal Electrons"  M. Lamoureux, R. H. Pratt, and L. Jacquet 
Paris France, Sept. 1418, 1987, J. de Phys. 48, Colloque C9, 355358 (1987) 
PITT361  "Radiation Processes in Hot Dense Plasmas"  R. H. Pratt 
for Fusion and Other Applications, College Station, Texas, Nov. 68, 1986, NIM B 27, 527531 (1987) 
PITT348  "Elastic Scattering of Photons by BoundElectrons in Hot and Dense Al Plasmas"  A. Bechler 
(1986) 
PITT344  "Radiation Processes in Hot and/or Dense Plasmas"  R. H. Pratt 
Radiation Physics, Kalpakkam, India, March 36, 1986, Indian Society for Radiation Phys., 1628 (1987) 
PITT339  "Can Simple Methods and Simple Potentials be used in Obtaining FreeFree Gaunt Factors for Strongly Coupled Aluminum Plasmas?"  M. Lamoureux, R. Cauble, L. Kim, F. Perrot, and R. H. Pratt 
December 1985 
PITT332  "Comparison of Atomic Potentials and Bremsstrahlung Gaunt Factors in Dense Aluminum Plasmas"  M. Lamoureux, R. Cauble, L. Kim, F. Perrot, and R. H. Pratt 
37, 283295 (1987) 
PITT331  "TEEE: A Fortran Program to Calculate the Finite Temperature Finite
Density ThomasFermi Potential",
User's Guide 
Longhuan Kim 
(1985) 
PITT321  "Comparison between Average Atom and Detailed Configuration Type Calculations of the Photoionization Cross Section of Hot and Dense Aluminum Plasma"  D. Salzmann, R. Y. Yin, and R. H. Pratt 
32, 36273638 (1985) 
PITT319  "Bremsstrahlung Spectra for Al, Cs and Au Atoms in a High T,p Plasma"  L. Kim, R. H. Pratt, and H. K. Tseng 
32, 16931702 (1985) 
PITT312  "A Simple Classical Method to Evaluate Gaunt Factors on Atoms and Plasmas"  M. Lamoureux and R. H. Pratt 

PITT311  "Average Atom Models of Line Broadening in Hot Dense Plasmas"  J. Stein, D. Shalitin, and A. Ron 
31, 446450 (1985) 
PITT310  "A Probalistic Approach to the Problem of Ionization Potential Lowering in Hot Dense Plasmas"  D. Salzmann 

PITT303  "Level and Line Broadening for ThomasFermi Atoms at Finite Temperature Theory"  D. Shalitin, J. Stein, and A. Ron 
29, 27892795 (1984) 
PITT288  "Calculation of FreeFree Gaunt Factors in Hot Dense Plasmas"  I. J. Feng, M. Lamoureux, R. H. Pratt, and H. K. Tseng 
27, 32093215 (1983) 
PITT249  "Calculation of FreeFree Gaunt Factors for 1 keV Electrons in a 1keV Normal Density Ce Plasma"  M. Lamoureux, I. J. Feng, R. H. Pratt, and H. K. Tseng 
27, 227231 (1982) 
PITT248  "Iron Plasma: Sensitivity of Photoelectric Cross Sections to Different Models and General Features of the FermiAmaldi ModifiedModel"  D. Shalitin, A. Ron, Y. Reiss, and R. H. Pratt 
27, 219226 (1982) 
PITT247  "Binding Energies and BoundFree Transition Matrix Elements for an Impurity Atom in a Hydrogen Plasma"  I. J. Feng and R. H. Pratt 
27, 341343 (1982) 
PITT246  "Problems in the Use of Statistical Average Atom Potentials for Estimating Average Degree of Ionization"  W. Zakowicz, I. J. Feng, and R. H. Pratt 
27, 329333 (1982) 
PITT236  "Problems in Estimating Average Degree of Ionization for High Temperature Dense Plasmas"  I. J. Feng, W. Zakowicz, and R. H. Pratt 
23, 883886 (1981) 
PITT548  "Tseng's calculations of low energy pair production"  R. H. Pratt 
75, 624 (2006) 
PITT478  "On the production or annihilation of positrons with bound electrons"  P. M. Bergstrom, L. Kissel, and R. H. Pratt 
53, 28652868 (1996) 
PITT368  "A Survey of the Theoretical and Experimental Investigations of ElectronPositron Pair Production by Photons"  K. K. Sud 
(1987) 
PITT284  "Numerical Bremsstrahlung and Pair Production CrossSection Calculations",  L. D. Kissel 
(1975) 
PITT269  "Numerical Bremsstrahlung and Pair Production CrossSection Calculations"  L. D. Kissel 
(Same as 284) 
PITT238  "Comment on Comparison of Theory and Experiment for Pair Production Cross Sections Near Threshold"  H. K. Tseng and R. H. Pratt 
24, 11271128 (1981) 
PITT219  "Screening Effects in Pair Production Near Threshold"  H. K.Tseng and R. H. Pratt 
21, 454457 (1980) 
PITT151  "Single Photon Production and Annihilation of Pairs"  R. H. Pratt 
(1975) 
Supp. 1975  "Electron Photon Interactions in Atomic Fields"  R. H. Pratt 
Taiwan, Republic of China (1975) 
PITT112  "Polarization Correlations in AtomicField Pair Production"  H. K. Tseng and R. H. Pratt 
9, 752761 (1974) 
PITT94  "Errata: Screening Effects in Atomic Pair Production Below 5 MeV"  H. K. Tseng and R. H. Pratt 
7, 1806 (1973) 
PITT94  "Screening Effects in Atomic Pair Production Below 5 MeV"  H. K.Tseng and R. H. Pratt 
6, 20492056 (1972) 
PITT93  "Use of FurrySommerfeldMaue Wave Functions in Pair Production and Bremsstrahlung"  J. K. Fink and R. H. Pratt 
7, 392 (1973) 
NYO382971  "Exact Screened Calculations of AtomicField Pair Production and LowEnergy Screening"  H. K. Tseng and R. H. Pratt 
4, 18351843 (1971) 
NYO382917  "Theory of GammaRay cross Sections"  R. H. Pratt 

STAN7  "Transfer of Helicity in Radiation and Absorption of HighEnergy Photons"  R. H. Pratt 
123, 15081510 (1961) 
PITT530  "Characterization of high energy photoionization in terms of the singularities of the atomic potential:II. Beyond Kshell ionization, using a twoelectron atom in the excited state"  T. Suric, E. G. Drukarev, and R. H. Pratt 
67, 022710 (2003) 
PITT488  "Double ionization of a heliumlike atom or ion by a high energy photon"  T. Suric, K. Pisk, and R. H. Pratt 
Hamburg, Germany, September 1996, edited by R. L. Johnson, H. SchmidtBocking, and B. F. Sonntag, AIP Conf. Proc. No. 389 (AIP, Woodbury, New York 1997), 465474 
PITT478  "On the production or annihilation of positrons with bound electrons"  P. M. Bergstrom, L. Kissel, and R.H. Pratt 
53, 28652868 (1996) 
PITT395  "NodalCurve of Matrix Elements for Generalized Oscillator Strength Density"  XiaoMin Tong, Y. Li, and J.M. Li (C.M.Lee) 
translated from Chinese by Ye Kuang (1989) 
PITT357  "Direct Radiative Recombination with Examples for Au^{+49}+e > Au^{+48}+h[upsilon] and Fe^{+16}+e > Fe^{+15}+h[upsilon]"  L. Wang 
(1986) 
PITT290  "Connection Between the Bremsstrahlung Tip and Direct Radiative Recombination(DRR)Angular Distributions and Polarization Correlations"  I. J. Feng, I. B. Goldberg, Y. S. Kim, and R. H. Pratt 
28, 609614 (1983) 
PITT278  "Direct Radiative Recombination of Electrons with Atomic IonsCross Sections and Rate Coefficients"  Y. S. Kim and R. H. Pratt 
27, 29132924 (1983) 
PITT250  "Analytic Inner Shell Internal Conversion Coefficients for Screened Coulomb Potentials"  D. Bunaciu, V. Florescu, D. Fluerasu, and R. H. Pratt 
301, 109118 (1981) 
PITT214  "Numerical Calculation of Photoeffect and Radiative Electron Capture"  A. Ron 
(1979) 
PITT211  "Wake Nonlinearity in the Macroscopic Electrodynamics"  M. I. Ryazanov 
NOTE: We do not have a copy of this paper 
PITT210  "Radiation due to Wake Charge Oscillations in an Electromagnetic Field"  M. I. Ryazanov 

PITT209  "Internal Conversion in Inner Shells of Atomic Ions and Relativistic Ionic Potentials"  D. Bunaciu, V. Florescu, R. H. Pratt, and Y. S. Kim 
339, 329335 (1980) 
PITT201  "Screening Effects in Radiative Orbital Electron Capture by an Atomic Nucleus"  Z. R. Iwinski, Y. S. Kim, and R. H. Pratt 
19, 19241937 (1979) 
PITT164  "Multichannel Dissociative Recombination Theory"  C. M. Li 

PITT162  "Radiative Capture of Electrons by Mo Ions"  C. M. Li and R. H. Pratt 
14, 990995 (1976) 
PITT154  "Connection Between the Atomic Photoeffect and Internal Conversion"  S. D. Oh and R. H. Pratt 
13, 1463 (1976) 
PITT151  "Single Photon Production and Annihilation of Pairs"  R. H. Pratt 

PITT149  "Radiative Capture of High Energy Electrons"  C. M. Li and R. H. Pratt 
12, 18251829 (1975) 
Supp. 1975  "Electron Photon Interactions in Atomic Fields"  R. H. Pratt 
Taiwan, Republic of China 
PITT136  "A Mechanism for Radiation Damage"  Simon Yu and Hans Bichsel 

PITT135  "One Particle Central Potential for Inelastic Collisions of Fast Charged Particles with Atoms"  S. Yu 
8, 17521755 (1974) 
PITT103  "Comments on Screening and ShellRatio Effects in Single Quantum Pair Annihilation"  H. K. Tseng and R. H. Pratt 
7, 1423 (1973) 
STAN23  "Magnetic Electron Scattering from Nuclei"  J. Goldemberg and R. H. Pratt 
38, 311329 (1966) 
STAN21  "Elastic Magnetic Electron Scattering"  R. H. Pratt, J. D. Walecka, and T. A. Griffy 
64, 677684 (1965) 
STAN18  "Nuclear Size and Magnetic Effects in the Radiative Tail of ElectronNucleus Scattering"  Edward S. Ginsberg and R. H. Pratt 
134, B773777 (1964) 
STAN9  "Magnetic Electron Scattering"  J. D. Walecka and R. H. Pratt 
No. 272 (1962) 
STAN8  "Extrapolation to Cuts and the Scattering of Electrons and Positrons"  S. D. Drell and R. H. Pratt 
125, 13941399 (1962) 
STAN7  "Transfer of Helicity in Radiation and Absorption of HighEnergy Photons"  R. H. Pratt 
123, 15081510 (1961) 