GROUP MEETING

GN15-10

March 7, 2015

 

To:

LaJohn

 

There will be a group meeting WEDNESDAY March 11, 3:00 pm Room 210 Allen Hall

 

(Mar 18, Apr 1, 8, 15, 29)

 

1

Organizational Issues

a

Appointments, next meeting, other meetings, lectures

 

 

b

Computer issues, finances,

 

2

Meetings

Place

Date

 

 

 

 

 

DAMOP 2015

Columbus, Ohio

June 8-12

 

ICPEAC 2015

Toledo, Spain

July 22-28

 

ISRP-13

Beijing, China

Sept 7-13

 

3

Deadlines

 

 

 

 

 

Abstracts

                                                                                                    

 

Manuscripts

 

 

Registration

DAMOP (May 1)

 

4

Travels, Visitors

 

 

 

 

Arrivals

 

 

Departures

 

 

Visits

Surzhykov (June)

 

 

RHP

Pitt

Travel

 

 

 

 

 

 

 

Feb

 

 

 

 

Mar

 

 

 

 

Apr

 

20-28

Lacon, Urbana, IL

 

May

 

 

 

 

Jun

 

8-12

Columbus, OH

 

Jul

 

?

?Mt. Pleasant, MI?

 

Aug

 

?

?Fairbanks?

 

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

 

 

 

 

 

a

Pratt

"Studies of polarization bremsstrahlung and ordinary bremsstrahlung from Sr beta particles in metallic targets in the photon energy range 1-100 keV", Singh, Dhaliwal, PLA 379, 1127 (2015)

 

 

7

Review of Literature:

 

 

 

 

 

 

 

a

Pratt

""Interaction of twisted light with many-electron atoms andions". Surzhykov et al, PRA 91, 013403 (2015)

 

b

Pratt

"X-ray-photon scattering by an excited and ionized atom", Hopersky et al, PRA 91, 022708 (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.