Chiral Belle: SuperKEKB e- Polarization Upgrade

Monday 29 Sept 2025, 15:00 → 17:15 Asia/Tokyo

Meeting room 1st floor ( 3-go-kan)

 

Chiral Belle: Polarization Upgrade Working Group
Monday, Sep 29th 15:00 +0900 (JST)

Link: https://speakapp.link/to/UNxEug

 

1 Spin Rotator design at BNL: status

Speaker: Vikas Teotia (BNL)

Chiral Belle Spin Rotator Vikas Teotia Sep 29.pdf

2 Status of Development of GaAs Source for Touschek Polarization Lifetime Experiment

Speakers: Alexandre Beaubien (University of Victoria), Mitsuhiro Yoshida (KEK), Dr Zachary Liptak (BELLE (BELLE II Experiment))

PolarizedElectronSource_Summary.pdf

3 Spin Tracking Studies

Speaker: Yuhao Peng (None)

SpinStudies-YPeng-Chiral Belle 2025.09.28.pdf

4 Update on Merge Line for Polarized Source for Touschek Polarization Experiment

Speaker: Dr Zachary Liptak (BELLE (BELLE II Experiment))

20250929_Pol_Beamline_sims.pdf

5 Touschek Polarization Lifetime Experiment Planning

• Planned Outcomes of the Experiment
• Timeline of the Experiment

Speakers: John Michael Roney (BELLE (BELLE II Experiment)), Uli Wienands (ANL)

TousheckPolarizationPlanning-ChiralBelle2025Sept29.pdf

6 Update on Compton Polarimeter R&D activities

report on the June 2025 syncrhonisation tests,
plans for the B2GM week
news about the ANR project.

Speaker: Aurelien Martens (BELLE (BELLE II Experiment))

B2GM_Oct25.pptx

7 Conceptual Design Report Work

• Review of status of each section

Speaker: John Michael Roney (BELLE (BELLE II Experiment))

ChiralBelleCDR_discussion-2025SeptB2GM.pdf