Meetings-5-6-2021

1. Instructions for Bluejeans meeting connection
2. Meeting ID: 290664653
3. To join via a Web Browser, go to the page [1] https://bluejeans.com/290664653.

Thu 5/6/2021 2pm

Agenda

1. Tracking
2. Detector related reports
   1. Ks alignment update (issues)
   • FA125
   • CDC
     • dE/dx update at PID meeting 2d ago
     • CPP plans
   • FDC
     • FDC Garfield simulations and gas tests
3. GEM-TRD
4. Other

Minutes

1. Tracking
2. Detector related reports
   • FA125
     • Naomi relayed that Cody has a suspicion as to what might be the cause of the trigger number bug but has not had a chance to test this yet.
   • CDC
     • Naomi summarized the work on dE/dx comparisons between measured and sim data using the CDC space-charge correction with data from phi, rho and K+Sigma0. The ratio between corrected measured and sim has little dependence on momentum, and dE/dx from amplitude is similar for p, K and pi in all channels studied (integral is more variable). The scaling factors necessary to match the measured corrected data to the sim are now in CCDB (/CDC/dedx_theta/dedx_amp_scale). They are different for 2017 because the gains were calibrated to match an older simulation. The scaled corrected dE/dx is consistent between run periods and shows good agreement between measured and sim, except that the simulated resolution is better.
   • FDC
3. GEM-TRD
4. Other