Difference between revisions of "Pi0 Polarizability Meeting Aug 30, 2019"

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(Tentative Agenda)
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=Minutes=
 
=Minutes=
''Attending:
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''Attending: David, Elton, Jose, Ilya, Beni, Mark (JLab); Rory (UConn); Svetlana, Aleks ()
 +
 
 +
# Announcements
 +
#* Wiki pages moved to open repository
 +
# Action Items
 +
## Lingyun Dai, Hunan University: Changsha, Hunan, CN (dailingyun@hnu.edu.cn)
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# PAC 47
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## [[Media:LOI12-19-003 TAC THY.pdf | TAC Physics Comments]]
 +
##* One-pion exchange contribution (C-parity conservation?)
 +
##* Eliminating contributions from iso-scalar resonances (experiment)
 +
##* Sensitivity of cross sections to polarizability (theory)
 +
##* Corrections due to photon virtuality (theory)
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## [[Media:EltonMark emailto SteveDytman.png | email from Elton and Mark to PAC Reviewer Steve Dytman]]. Homework to prepare for a proposal (Questions not answered by the LOI):
 +
##* So far we have only qualitatively investigated backgrounds, but do not find any particular reactions that have not been considered for pi0 and pi+pi- Primakoff reactions. Detailed studies needed.
 +
##* Determine how backgrounds will affect the determination of the pi0pi0 Primakoff cross section.
 +
##* Evaluate sensitivity to run time. Need to justify requested beam time.
 +
##* Develop the case for measuring pi0pi0 production at threshold aside from the determination of the polarizability.
 +
## [https://www.jlab.org/exp_prog/PACpage PAC47 Report]
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# Other business
 +
# Next meeting

Revision as of 11:02, 30 August 2019

Meeting Information

Meeting Time And Location

10:00 am ET (JLab time)

CC F228

Connecting

Dummy for now: You can connect using BlueJeans Video conferencing (ID: 949 429 419). (Click "Expand" to the right for details -->):

  1. Make sure you have created a BlueJeans account via your JLab CUE account using this link:

  2. Meeting ID: 949 429 419
    • (you may need to type this in, depending how you connect)

  3. If connecting via Web Browser: click this link (no passcode is needed):

  4. If connecting via iOS or Android App:
    • Use your JLab e-mail address to log in and then enter the meeting ID given above to join the meeting

  5. If connecting via Phone: Dial one of the following numbers and then enter the meeting ID above and hit "#" or "##"

  6. If connecting via Polycom unit:
    • Dial 199.48.152.152 or bjn.vc
    • Enter meeting ID above



Action Items

  1. Contact Dai regarding the pi0pi0 proposal (Elton).

Tentative Agenda

  1. Announcements
    • Wiki pages moved to open repository
  2. Action Items
    1. Lingyun Dai, Hunan University: Changsha, Hunan, CN (dailingyun@hnu.edu.cn)
  3. PAC 47
    1. TAC Physics Comments
      • One-pion exchange contribution (C-parity conservation?)
      • Eliminating contributions from iso-scalar resonances (experiment)
      • Sensitivity of cross sections to polarizability (theory)
      • Corrections due to photon virtuality (theory)
    2. email from Elton and Mark to PAC Reviewer Steve Dytman. Homework to prepare for a proposal (Questions not answered by the LOI):
      • So far we have only qualitatively investigated backgrounds, but do not find any particular reactions that have not been considered for pi0 and pi+pi- Primakoff reactions. Detailed studies needed.
      • Determine how backgrounds will affect the determination of the pi0pi0 Primakoff cross section.
      • Evaluate sensitivity to run time. Need to justify requested beam time.
      • Develop the case for measuring pi0pi0 production at threshold aside from the determination of the polarizability.
    3. PAC47 Report
  4. Other business
  5. Next meeting

Minutes

Attending: David, Elton, Jose, Ilya, Beni, Mark (JLab); Rory (UConn); Svetlana, Aleks ()

  1. Announcements
    • Wiki pages moved to open repository
  2. Action Items
    1. Lingyun Dai, Hunan University: Changsha, Hunan, CN (dailingyun@hnu.edu.cn)
  3. PAC 47
    1. TAC Physics Comments
      • One-pion exchange contribution (C-parity conservation?)
      • Eliminating contributions from iso-scalar resonances (experiment)
      • Sensitivity of cross sections to polarizability (theory)
      • Corrections due to photon virtuality (theory)
    2. email from Elton and Mark to PAC Reviewer Steve Dytman. Homework to prepare for a proposal (Questions not answered by the LOI):
      • So far we have only qualitatively investigated backgrounds, but do not find any particular reactions that have not been considered for pi0 and pi+pi- Primakoff reactions. Detailed studies needed.
      • Determine how backgrounds will affect the determination of the pi0pi0 Primakoff cross section.
      • Evaluate sensitivity to run time. Need to justify requested beam time.
      • Develop the case for measuring pi0pi0 production at threshold aside from the determination of the polarizability.
    3. PAC47 Report
  4. Other business
  5. Next meeting