Name: Positron Working Group Workshop
Start: 2025-03-24T10:00:00-04:00
End: 2025-03-26T17:00:00-04:00
Location: No location set

Positron Working Group Workshop

from Monday, March 24, 2025 (10:00 AM) to Wednesday, March 26, 2025 (5:00 PM)

Monday, March 24, 2025
10:00 AM
10:00 AM - 12:30 PM
Contributions

10:00 AM Registration & Coffee

10:30 AM Workshop charge - Eric Voutier (Université Paris-Saclay - CNRS/IN2P3/IJCLab)

10:50 AM The experiment that motivated Two-Photon effect studies - Mark Jones (Jefferson Lab)

11:20 AM Ce+BAF Working Group R&D plan - Joe Grames (JLab)

11:50 AM 22 GeV accelearator plan and physics update - Patrizia Rossi (JEFFERSON LAB) Alex Bogacz (Jefferson Lab)
12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
2:00 PM
2:00 PM - 5:30 PM
Contributions

2:00 PM Welcome - Kimberly Sawyer (JLab) David Dean (JLab)

2:30 PM PR12+23-006 - Carlos Munoz Camacho (IJCLab, Orsay (CNRS/IN2P3))

2:40 PM PR12+23-002 - Eric Voutier (Université Paris-Saclay - CNRS/IN2P3/IJCLab)

2:50 PM PR12+23-008 - Axel Schmidt (George Washington University)

3:00 PM PR12+23-012 - Michael Nycz (University of Virginia)

3:10 PM PR12+23-003 - Dave Gaskell (Jefferson Lab)

3:20 PM PR12+24-005 - Bogdan Wojtsekhowski (Jefferson Lab)

4:00 PM Injection of e+ from LERF to experimental halls - Salim Ogur (Jefferson Lab)

4:30 PM Update on Ce+BAF injector baseline simulations - Andriy Ushakov (JLab)

5:00 PM The capturing cavity scheme for CW Ce+BAF positron source - Shaoheng Wang (Jefferson Lab)
Tuesday, March 25, 2025
8:00 AM
8:00 AM - 12:30 PM
Contributions

8:30 AM LDRD for a high-current polarized-beam photogun - Max Bruker (Jefferson Lab)

9:00 AM Solid target project - Silviu Covrig Dusa (Jefferson Lab)

9:30 AM Liquid target project - Vaclav Kostroun (Xelera Research)

10:30 AM Degraded beam study of CEBAF - Victor Manuel Lizarraga-Rubio (Universidad de Guanajuato)

11:00 AM NTPE+ : measurement of the neutron two-photon exchange with quasi-elastic positron-neutron and electron-neutron scattering - Eric Fuchey (College of William and Mary)

11:30 AM Coulomb corrections in SIDIS - Tyler Hague (JLab)

12:00 PM Two-Photon Exchange in DIS and SIDIS - Michael Nycz (University of Virginia)
12:30 PM Lunch break
Lunch break
12:30 PM - 2:00 PM
2:00 PM
2:00 PM - 5:30 PM
Contributions

2:00 PM Dispersive effects in unpolarized inclusive elastic electron/positron-nucleus scattering - Paul Gueye (Facility for Rare Isotope Beams/Michigan State University)

2:30 PM Exploring lepton-charge asymmetries and parity-violation in large-pT SIDIS - Richard Whitehill (Old Dominion University / Jefferson Lab)

3:00 PM Photon source from positron annihilation - Andrei Afanasev (GWU)

4:00 PM Collaboration time
6:30 PM Social event at the Chef's Market (11800 Merchants Walk, Newport News)
Social event at the Chef's Market (11800 Merchants Walk, Newport News)
6:30 PM - 9:00 PM
Wednesday, March 26, 2025
8:00 AM
8:00 AM - 1:00 PM
Contributions

8:30 AM Spin asymmetries and their radiative corrections in low-energy elastic positron scattering - Doris Jakubaßa-Amundsen (Universty of Munich)

9:00 AM Physics with the helicity-flip suppressed, transverse asymmetries in bhabha scattering - David Mack (JLab)

9:30 AM Constraining two-photon exchange with electrons through the target-normal single spin asymmetry - Axel Schmidt (George Washington University)

10:30 AM A low-energy precision physics program at MESA: Hadrons and Nuclei as discovery tools. - Concettina Sfienti (Johannes Gutenberg University Mainz)

11:00 AM Measurement of the weak pion-nucleon coupling constant from pion-photoproduction near threshold off the proton - Riad Suleiman (Jefferson Lab)

11:30 AM Measurement of the proton Generalized Polarizabilities with positron and polarized electron beams - Nikos Sparveris (Temple University)

12:00 PM Discussion on the Positron Technical Design Report - Douglas Higinbotham (Jefferson Lab)

12:50 PM Close-out