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Backward-Angle (u-channel) Physics Workshop

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Online

Online
Garth Huber (University of Regina), Justin Stevens (College of William and Mary), Wenliang Li (William & Mary)
Description

We are pleased to announce that the First Backward-Angle (u-channel) Physics Workshop will be held September 21-23. Due to the recent global event, the workshop participation is virtual only.

The objectives of the workshop are as follows:

  • Offer a platform to connect scattered experiment and theory efforts together, thus, potentially forming small backward-angle physics working groups.
  • Generate discussions on the implications the backward-angle physics and probe the physics case for a systematic backward-angle physics research program.
  • Inspire future backward-angle physics data mining or dedicated studies, including the JLab 12 GeV program, and PANDA/FAIR.
  • Discuss the feasibility of including backward-angle physics in the EIC scientific program.

The scientific program is expected to comprise roughly 20 talks. These are scheduled in the morning hours of the EST timezone for the three-day workshop. Separate group discussions on the u-channel electroproduction and photoproduction are scheduled after the presentation sessions on Tuesday and Wednesday.

When Connecting to the meeting, participants must login into the their Zoon account (google login will work).

Workshop registration: https://www.jlab.org/conference/BACKANGLE

Workshop connection link: https://cwm.zoom.us/j/96395613180

Passcode: 657066
Participants
  • Bernard Pire
  • Carlos Ayerbe Gayoso
  • Hamlet Mkrtchyan
  • Marco Battaglieri
  • Pete Markowitz
  • Spencer Klein
  • Valery Kubarovsky
  • Wenliang Li
Support
  • Monday, September 21
    • 1
      Welcome and Introduction
      Speaker: Dr Wenliang Li (William & Mary)
      Slides
    • Morning Session 1: u-channel Electroproduction Processes
      Convener: Dr Wenliang Li (William & Mary)
      • 2
        Meson-Nucleon Transition Distribution Amplitude
        Speaker: Dr Kirill Semenov-Tian-Shansky (Petersburg Nuclear Physics Institute)
        Slides
      • 3
        Large Angle Beam-Spin-Asymmetry of pions at CLAS
        Speaker: Dr Stefan Diehl (Justus Liebig University Giessen and University of Connecticut)
        Slides
      • 4
        Hard Exclusive Single Charged Pion Electroproduction Off the Proton
        Speaker: Dr Kijun Park (HUPTI)
        Slides
      • 10:25 AM
        Coffee Break
      • 5
        GPDs at large Skewness
        Speaker: Prof. Mark Strikman (Penn State University)
        Slides
      • 6
        Exploring the soft-hard transition in forward and backward meson production
        Speaker: Christian Weiss (Jefferson Lab)
        Slides
      • 11:45 AM
        Coffee Break
      • 7
        Radiative Correction at Backward Angles
        Speaker: Andrei Afanasev (GWU)
      • 8
        Backward Exclusive ω Electroproduction from JLab 6 GeV Hall C
        Speaker: Prof. Garth Huber (University of Regina)
        Slides
  • Tuesday, September 22
    • Morning Session 1: Future u-channel Opportunities 12 GeV, PANDA and EIC
      Convener: Justin Stevens (College of William and Mary)
      • 9
        Studying TDA with pp → e+e−π0 at the PANDA Experiment
        Speaker: Dr Stefan Diehl (Justus Liebig University Giessen and University of Connecticut)
        Slides
      • 10
        Backward Meson Electroproduction Opportunities at EIC
        Speaker: Dr Wenliang Li (William & Mary)
        Slides
      • 11
        Backward Opportunities at JLab 12 GeV Hall A with BigBite and Super BigBite Spectrometers
        Speaker: Dr Carlos Ayerbe Gayoso (The College of William and Mary)
        Slides
      • 12
        Short Range Correlation and Backward Nucleon Tagging
        Speaker: Florian Hauenstein (Old Dominion University)
        Slides
      • 10:30 AM
        Coffee break
      • 13
        Backward Meson Electroproduction from JLab 12 GeV Hall C Kaon LT Experiment
        Speaker: Dr Stephen Kay (University of Regina)
        Slides
      • 14
        Non-forward pi+pi- Production
        Speaker: Dr Robert Perry (The University of Adelaide)
        Slides
      • 15
        Backward production at high energies, in ultra-peripheral collisions and at an EIC
        Speaker: Dr Spencer Klein (Lawrence Berkeley National Laboratory)
        Slides
    • 12:10 PM
      Coffee Break
    • 16
      Session Discussion on u-channel Electroproduction
      Speaker: Christian Weiss (Jefferson Lab)
      Slides
  • Wednesday, September 23
    • u-channel Photoproduction Processes
      Convener: Prof. Garth Huber (University of Regina)
      • 17
        ω Photoproduction off Proton Target at Backward Angles
        Speaker: Dr Byung-Geel Yu (Korea Aerospace University)
        Slides
      • 18
        u-channel Photoproduction and Backward Angle TCS
        Speaker: Dr Bernard Pire (CPhT-Polytechnique)
        Slides
      • 19
        Wide Compton Scattering at Hall C
        Speakers: Dr Bogdan Wojtsekhowski (Jefferson Lab), Prof. David Hamilton (Glasgow University, Glasgow Scotland)
        Slides
      • 10:25 AM
        Coffee Break
      • 20
        Backward-angle meson photoproduction with the GlueX experiment
        Speaker: Justin Stevens (College of William and Mary)
        Slides
      • 21
        Backward Baryon-Antibaryon Photoproduction at GlueX Experiment
        Speaker: Mr Hao Li (Carnegie Mellon University)
        Slides
      • 22
        K^+ Sigma^0 Photoproduction at Backward Angle at GlueX Experiment
        Speaker: Nilanga Wickramaarachch (Old Dominion University)
        Slides
    • 11:50 AM
      Coffee break
    • 23
      Session discussion on u-channel Photoproduction
      Speaker: Christian Weiss (Jefferson Lab)
      Slides
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