5 |
Manuscripts |
|
|
|
|
502 |
"High energy limit of photon-atom interactions:
example of double ionization of He by photoabsorption", R. H. Pratt, E.
G. Drukarev, and T. Suric, in Frontiers in Physics 1998, Ed. S.
P. Chia and D. A. Bradley, World Scientific (Singapore) 2000, pp 125-132. |
|
519 |
"Existence of near-minima in elastic photon-atom
scattering", J. P. J. Carney and R. H. Pratt, for publication in J. Rad.
Phys. Chem. |
|
520 |
"Circumstances in which radiation is not absorbed,
forbidding photoionization: Four classes of matrix element zeroes", L.
A. LaJohn and R. H. Pratt, for publication in J. Rad. Phys. Chem. |
|
521 |
"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, for publication in J. Rad. Phys.
Chem. |
|
522 |
"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, published J. Phys. B 34,
1-14 (2001). |
|
523 |
"Understanding the importance of dynamic, correlation,
and exchange effects in new low-energy photon scattering experiments",
J. P. J. Carney and R. H. Pratt, for publication in AIP Proceedings (CAARI). |
|
524 |
"Structures in the energy dependence of classical
and quantum bremsstrahlung", A. Florescu, O. I. Obolensky, C. D. Shaffer,
and R. H. Pratt, for publication in AIP Proceedings (CAARI). |
|
525 |
"The approach to asymptotic behavior in photoionization",
R. H. Pratt and T. Suric. For publication in Journal Chinese Chemical Society |
|
526 |
"Corrections to the usual scattering factors
for total x-ray scattering in rare gas atoms: experiment and theory", L.
Young, R. W. Dunford, E. P. Kantor, B. Krassig, S. H. Southworth, R. A.
Bonham, P. Lykos, C, Morong, A. Timm, J. P. J. Carney, and R. H. Pratt,
accepted for Phys. Rev. A. |
8 |
Recent
Papers |
|
|
|
|
|
a |
Avdonina |
"Minima & maxima in GOS", JPB 33, 5397 (Dec
14 00) Chen &Msezane |
|
b |
Florescu, Obolensky |
"Treatment of Coulomb singularity in momentum
space calculations", CopPhysComm 134, 317 (Mar 2001) Ivanov & Mitroy |
|
c |
Florescu & Obolensky |
"Zeroes of scattering amplitude for spin-dependent
Gaussian potential", TurkJPhys 25, 87 (2 2001) Hussain, Banu, Halder |
|
d |
Obolensky |
"Destruction of quantum coherence through emission
of bremsstrahlung",PRA63, 032102 (March 2001), Breuer & Petruccione |
|
e |
Pratt |
"Bound-free pair production in relativistic
heavy ion collisions", PRA 63, 032713 (March 01) Meier et al |
9 |
Review
of Literature: |
|
|
|
|
|
a |
Pratt |
"Compton scattering by nuclei", Phys.Rpts 323,
457 (Jan 00), Hutt, L'vov, Milstein, Schumacher |
|
b |
Pratt |
"Theory of two electron atoms: between ground
state & complete fragmentation", RMP 72, 467 (April 00) Tannet, Richter,
Rust |
|
c |
Pratt |
"Electron-electron Thomas peak in fast transfer
ionization", PRA 62, -32711 (Sept 00) Tolmanov & McGuire |
|
d |
LaJohn |
"Exact relativistic calculation with retardation
of hydrogenic photoeffect matrix elements:", FoundPhys 30, 1283 (Aug 00),
Boudet & Blaive |
|
e |
Pratt |
(gamma, 2e) in He - practical parametrization
of triple differential cross section", JPB 33, 4691 (Nov 14 00), Cvejanovic
& Reddish |
|
f |
Pratt |
"Absolute differential cross sections for photo
double ionization of he from hyperspherical R matrix method", PRL 85, 4450
(Nov 20 00), Malegat, Selles, Kazonsky |
|
g |
Florescu |
"Thomas mechanism in electron capture to the
continuum", PRA 62, 062716 (Dec 00), Rodriguez & Barachina |
|
h |
Pratt |
"High energy limit of the double-electron photoionization
cross section of the helium atom", PRA 62, 064701 (Dec 00), Krivec, Amusia,
& Mandelzweig |
|
i |
Obolensky |
"Experimental demonstration of three mutually
orthogonal polarization states of entangled photons", PRL 85, 5013 (Dec
11 00), Tsegaye et al |
|
j |
LaJohn |
"Classical form factor for transitions in the
hydrogen atom", PLA 277, 223(Dec 4 00) Bersons, Kulsh, Veilande |
|
k |
Suric |
"Half collision model for triple photoionization
of lithium", PRA 63. 020701 (Feb 01), Pattard & Burgdorfer |
|
l |
LaJohn |
"Strong nondipole effects in low-energy photoionization
of Xe", PRA 63, 022504 (Feb 01), Johnson & Cheng |
|
m |
LaJohn, Pratt |
"Large nondipole parameters with strong correlation
effects in keV photoelectron angular distributions", PRA 63, 022704 (Feb
01) |
11 |
Manuscripts in
Preparation |
|
|
|
|
a |
"Polarization correlations for d,f states",
Kim, Goldberg, Pratt |
|
b |
"Observables in quantum mechanics: creating
spin polarization in the absence of spin orbit interactions", Young Soon
Kim and R. H. Pratt |
|
c |
"Ionization of two-electron atoms by photoabsorption
at high photon energies: A view in terms of singularities of the electron-nucleus
and electron-electron Coulombic potential", T. Suric, R. H. Pratt and E.
G. Drukarev |
|
d |
"Multipole decomposition of atomic form factors",
L. A. LaJohn and R. H. Pratt |
|
e |
"Multichannel coupling and the high energy limit
of the photoionization process", E. Drukarev, N. Avdonina, and R. H. Pratt |
|
* |
Also considered: bremsstrahlung review
(Quarles), Linear response (Florescu), recursion relations (Bronson), semi-relativistic
Rayleigh (Costescu, Bergstrom), AFT review (Suric), photoeffect review
(Kim) |
12 |
Work in Progress |
|
|
|
|
-
Avdonina
|
double photoionization, GOS beyond Born &
zeroes |
|
Carney |
Z-dependence of scattering, scatt in Neon |
|
Drukarev |
angular double ioniz, qfm triple & double
dist, qfm for ioniz of 2p neon |
|
A. Florescu |
classical bremsstrahlung, relativistic zeroes |
|
V. Florescu |
retarded & relativistic zeroes |
|
Kim (YS) |
retarded zeroes, qm observables |
|
Lajohn |
independent information in Rayleigh scattering,
bremsstrahlung, rel zeroes |
|
Suric |
Compton, double/single in Compton, photo, AFT
in scattering |
13 |
Code
Library |
|
|
|
The computers primarily available
for use are the group's own Sun UNIX workstations. There is also the VAX
system operated by the Computing and Information Systems (CIS) department,
but this system tends to have older versions of the codes, and new users
will find more help available if they are using the workstations. |
|
In order to run the codes on local
systems, look for executables in the directories: |
|
|
UNIX workstations: /usr/local/atomic/bin |
|
|
VAX system: USR2:[10104.ATOMIC1.EXE] |
|
We encourage use of the SLATEC numerical
library, which contains a wide variety of numerical algorithms written
in FORTRAN. Source code is available in the directories: |
|
|
UNIX workstations: /usr/local/atomic/slatec |
|
|
VAX system: USR3:[PHY.SLATEC] |
|
More information is available on
the group's web site at: |
|
|
http://stribor.phyast.pitt.edu/ |
|
The group has many books available
on various operating systems, languages and software, which are kept in
325 OEH (also 327 OEH and 222 Allen). This is also the place to look for
hardcopy documentation on the codes. |