GROUP MEETING

GN-30

August 21, 2015

 

To:

LaJohn

 

There will be a group meeting WEDNESDAY August 26, 3:00 pm Room 210 Allen Hall

 

(Aug ?31?))

 

1

Organizational Issues

a

Appointments, next meeting, other meetings, lectures

 

 

b

Computer issues, finances,

 

2

Meetings

Place

Date

 

 

 

 

 

ISRP-13

Beijing, China

Sept 7-13

 

AAAS

Washington DC

Feb 11-15 (16)

 

DAMOP

Providence RI

May 23-27 (16)

 

3

Deadlines

 

 

 

 

 

Abstracts

                                                                                                    

 

Manuscripts

 

 

Registration

 

 

4

Travels, Visitors

 

 

 

 

Arrivals

 

 

Departures

 

 

Visits

 

 

 

RHP

Pitt

Travel

 

 

 

 

 

 

 

Aug

 

 

 

 

Sept

 

?23-28?

Adirondacks

 

Oct

 

?9-12?

Ithaca, NY

 

Feb

 

?11-15?

Washington DC

 

5

Manuscripts

 

 

 

 

572

"Photon Absorption and Photon Scattering - What We Don't Know and Why It Matters", R. H. Pratt, published Radiat. Phys. Chem 95, 4-13 (2014).

 

573

"Two-photon decay of inner-shell vacancies in heavy atoms",  A. Surzhykov,  R. H. Pratt, and S. Fritzsche, published PhysRevA 88, 042512 (2013)

 

 

 

 

 

 

 

 

 

 

6

Recent Papers and Preprints

 

 

 

 

 

 

7

Review of Literature:

 

 

 

 

 

 

 

a

Pratt

"Compton scattering of twisted light", Stock, Surzhykov et al, PRA92, 013401 (2015)

 

8

Presentations

 

 

 

 

 

 

9

Manuscripts in Preparation

 

 

 

 

a

"Validity of a factorized-form expression for the Compton scattering differential cross sections in relativistic regimes", L. A. LaJohn and R. H. Pratt

 

b

"Systematics of Low-Energy Zeros in Bound-Free Quadrupole Matrix Elements: Quadrupole Cooper Minima in the Ionization of 3s and 4s Atomic Subshells", Manson, LaJohn, Pratt

 

10

Work in Progress

 

 

 

 

Lajohn

characterization of error in RIA

 

Surzhykov

relationship connecting Cij

 

Florescu

nr multipole problems

 

 

 

 

 

some older projects that might still be possible

 

 

 

 

Obolensky

analytic continuation of Coulomb dipole matrix elements

 

Uskov

singularities of dipole matrix element, Regge ideas in bremsstrahlung

 

11

Computer facilities

 

 

 

Old large codes (Rayleigh  and Compton scattering and photoionization)  can be run under the Windows operating system (XP, 7 and 8).  The latest versions can be obtained from L. LaJohn. The group has hardcopy documentation on the codes.