Aug 6 2024 PrimEx-eta (informal) Calibration & Analysis Meeting
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Time and Place
- Time: Tuesday, August 6, 2024 at 10:00 am EDT.
- Room: Online
Meeting Connections
Join ZoomGov Meeting https://jlab-org.zoomgov.com/j/1603338968?pwd=RE82K09ocHlMUVdVZXAwRTh1ZmF6dz09
Meeting ID: 160 333 8968 Passcode: 237672 One tap mobile +16692545252,,1603338968# US (San Jose) +16468287666,,1603338968# US (New York)
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Agenda
- Announcements
- List of good runs
- Run Validation phase I -- https://halldweb.jlab.org/wiki/index.php/RunPeriod-2019-01_Validation
- Run Validation phase II -- https://halldweb.jlab.org/wiki/index.php/RunPeriod-2021-08_Validation
- Run Validation phase III -- https://halldweb.jlab.org/wiki/index.php/RunPeriod-2022-08_Validation
- Analysis
- What needs to be improved?
- LOG?
- Phase 1/2 calibrations?
- Select coherent process
- What needs to be improved?
- Issues:
- What is the \eta polar angle resolution? -> data/simu comparison is good? Yes above 1.5 degree w/ Compton (Drew)
- How to apply the BCAL veto? -> Dedicated simulation with recoil nucleon/nucleus allows us to determine that (Drew + Ig)
- \eta mass vs \eta polar angle after 1c fit or energy constraint behavior? -> understood
- Simulation per tagger channel or flux spectra?
- Complete quasi-free PDF needed ie Coulomb (Primakoff) and Strong => 2 or 2+ PDFs for Primakoff
- Calibration status:
- Phase III status -- https://halldweb.jlab.org/wiki/index.php/2022_Data_Production#PrimEx_Phase-III_Calibrations
- Phase II flux (Sasha)
- Calorimeters energy calibration (ig)
- Analysis Updates:
- Viviana
- Drew
- ig
- BGGEN check