GROUP MEETING

GN04-12

May 3, 2004

 

To:

LaJohn, Novikov

 

There will be a group meeting FRIDAY May 7, 3:00  pm  Room 216 AH.

 

(Future dates May 14 June 11,18,25 July 2,.9,16,23,30 Aug 6,13,20,27)

 

1

Organizational Issues

a

Appointments, next meeting, other meetings, lectures

 

 

b

Computer issues, finances,

 

2

Meetings

Place

Date

 

 

 

 

 

DAMOP

Tucson, AZ

May 25-29, 04

 

ECAMP8

Rennes, France

July 6-10, 04

 

ICAP

Rio de Janeiro, Brazil

July 26-30, 04

 

FIAC8 (FastIonAtomColl)

Debrecen, Hungary

begin Sept 04

 

HCI

Vilnius, Lithuania

Sept 6-10, 04

 

ICAMDATA

Toki, Gifu, Japan

Oct 5-8, 04

 

CAARI

Fort Worth, TX

Oct 5-10, 04

 

AAAS

Washington, DC

Feb 17-22, 05

 

3

Deadlines

 

 

 

 

 

Abstracts

CAARI (July 1)

 

Manuscripts

Darjeeling (April 30)

 

Registration

HCI (May 15)

 

4

Travels, Visitors

 

 

 

 

Travel

LaJohn (May 25-29, ?Dec/Jan?)

 

Arrivals

Uskov (June 10?), Gasaneo (June 14?)

 

Departures

Uskov (cJune 17?), Gasaneo (July 14?)

 

Visits

Uskov (June 10-17?), Solo v’yov (??), Florescu (??), Pisk (2 wks June/July?), Avdonina (?cJuly 7? & c Aug 1-6?), Drukarev (?Nov/Dec?), Gasaneo (cJune 14/July 14?), Mikhailov (July/Aug?), Suric (cJul 15/Aug15), Chatterjee & Roy (?July15 – Aug  15?).

 

 

RHP

Pitt

Travel

 

 

 

 

 

 

 

May

-20

20-22

DC

 

 

23-24

25-30

Tucson

 

 

31 -

 

 

 

June

-1

1-10

St. Petersburg

 

 

10-

 

 

 

July

 

 

 

 

Aug

 

 

 

 

Sept

 

c2-16?

?Bahia Blanca

 

 

 

24-27?

Adirondacks?

 

Oct

 

10-15

Fort Worth

 

Nov

 

10-14

Chengdu

 

Dec

 

?27-

?Panama Canal

 

Jan

 

-10?

  transit?

 

Feb

 

17-22

DC

 

5

Manuscripts

 

 

 

 

540

“Need for further inelastic scattering measurements at x-ray energies:, S. C. Roy and R. H. Pratt, published RPC. 69/3, 193-197.

 

541

“Entanglement change in atomic photoionization”, Young Soon Kim, Yu Jin Kim, and R. H. Pratt, being  published in ICPEAC conference proceedings, Physica Scripta.

 

542

“Higher multipole high energy radiation transition matrix element zeros”, L. A. LaJohn and R. H. Pratt, accepted for RPC.

 

543

“Trajectories of matrix element zeroes”, O. I. Obolensky, A. V. Korol and R. H. Pratt, accepted for RPC.

 

544

“An alternative method to calculate inelastic scattering cross sections of photons”, S. C. Roy, B. K. Chatterjee and R. H. Pratt, accepted for RPC

 

545

“Tutorial on fundamentals of radiation physics:  Interactions of photons with matter”, R. H. Pratt,  published RPC 70, 4/5, 595-603

 

546

“O(1/w) corrections to the shake-off (shake-up) correlation effects in double (single) ionization of He by absorption of a photon”, T. Suric and R. H. Pratt, published  J Phys. B. 37, L93 – L102 (2004).

 

6

Funding

 

 

 

 

Pittsburgh Proposals

 

 

 

 

Pittsburgh Awards

 

NSF 0201595

7/1/02 - 6/30/05

 

 

NSF 0242942

5/1/03 – 4/30/05

(Darjeeling workshop)

 

NSF 0352483

5/1/04 – 4/30/07

NSF/DST cooperative with Bose Institute

 

 

Other Awards

 

 

 

 

Due Dates

 

 

 

NSF 0201595 new proposal due Sept ? /04

 

7

Recent Preprints

 

 

 

 

 

8

Recent Papers

 

 

 

 

 

a

Pratt

“Triple photoionization of Ne and Ar near threshold”, PRA 69, 042717 (04) Bluett, Lukic, Wehlitz

 

b

Pratt

“Off-diagonal properties of Feynman propagator and Green function for bare Coulomb field”, PRA 69, 044703 (04) Howard & March

 

c

Novikov

“Nonsequential double ionization of helium in low-frequency laser ields”, JPhysB 37, 2087 (04) Heinrich, Lewenstein, Sanpera

 

9

Review of Literature:

 

 

 

 

 

 

a

Pratt

“QED theory of cascades & two photon transitions in two electron highly charged ions”, PRA 69, 0112503 (04) Labzowsky & Shonin

 

b

LaJohn

“Central region of spectrum in double photoionization cross section of He” JETP 98, 248 (04) Mikhailov & Mikhailov

 

 

10

Presentations

 

 

 

 

 

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

"Multipole decomposition of the modified form factors", L. A. LaJohn

 

d

Minima of generalized oscillator strengths of atomic transitions and the approach to the high energy limit”, N. B. Avdonina, D. Fursa, A. Z. Msezane and R. H. Pratt

 

e

“Correlations in relativistic photoeffect”, E. G. Drukarev and R. H. Pratt

 

f

Elastic scattering of 1.115 MeV photons”, Bhakta Kunwar, Arunava Bhadra, Swapan K. Sen Gupta, J. P. J. Carney, L. Kissel, and . H. Pratt

 

g

“Master equations for degenerate systems: electron radiative cascade in a Coulomb potential”, D. B. Uskov and R. H. Pratt, for J. Phys. B. Lett.

 

h

“Some notes on analytic continuation of the Coulomb dipole matrix element:, O. I. Obolensky and R. H. Pratt

 

i

“Singularities of the Dipole Matrix Element”, D. B. Uskov & R. H. Pratt

 

j

“Regge ideas in bremsstrahlung”, D. B. Uskov & R. H. Pratt

 

k

“Angular distributions including polarizational bremsstrahlung contributions”, O. I. Obolensky and R. H. Pratt

 

l

“Tseng’s calculations of low energy pair production”, R. H. Pratt, for RPC

 

 

 Also considered: non-dipole photo (Krassig, Southworth)

 

12

Work in Progress

 

 

 

 

Drukarev

relativistic correl in photo

 

Gasaneo

GOS calculations

 

Kim (YS)

qm observables

 

Lajohn

ff decomp, independ info & correl in Rayleigh scattering, Compton scatt

 

Obolensky

Trajectories of zeroes, pol brem ang dist

 

Suric

double/single in photo, AFT in scattering

 

Uskov

Regge poles in class/quant bremst, cascades & basis sets, brem singularities

 

13

Computer facilities

 

 

 

The group owns a number of computers, including PC Intel Pentium 4, (Stribor), Sun SPARCstation 5 (Oat), Pentium laptop computer (Shiba), PC Intel Celeron (OatPC), and R. Pratt’s PowerMac G4.

 

Stribor (operated by Linux Red Hat 9) serves as the main group computer.  All user files are stored on Stribor.  It has the latest version of Intel fortran compiler, and users are encouraged to compile, debug and run their codes using Stribor.

 

Stribor also runs the IMAP mail server and Apache web server. The group’s website address is http://stribor.phyast.pitt.edu

 

Old large codes (Rayleigh and Compton scattering, bremsstrahlung) can be run on Oat (operated by Solaris 2.6). Rayleigh & Compton have also been modified for compilation under the Windows operating system.  The latest version of these can be obtained from L. LaJohn. 

 

OatPC runs WindowsXP and has all commonly used applications.  Short term visitors who prefer Windows over Linux can use OatPC.

 

The group has books available on various operating systems, languages and software, also hardcopy documentation on the codes.

 

Help with all computer connected issues is available from S. Novikov.