20200617-PREX2-Analysis

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Logistic information

Meeting room at JLab: REMOTE ONLY

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Agenda

1. Respin2
   1. Included all runs from respin1, plus the calibration runs, plus the transverse (webplots went to "hidden" directory)
   2. Nearly all runs replayed in respin1 have been replayed; two exceptions: 3292 (nearly all events failed in respin1), 4134 (no respin1 webplots, prompt webplots show beam is off for all events)
   3. Tao identified some problems, documented in HAPlog 4138
      • Two runs with BCM outliers: 4512 and 4519. We should add event cuts and respin those runs.
      • Three runs with file splits that were not replayed, plus one transverse run has a non-replayed file split: runs 4020, 4028, 4112 (transverse), 4236. The second file should be spun also.
      • There is a mismatch in the LRB and postpan corrections during some single arm runs, due to LRB discarding events with local cuts on the "bad" arm. To resolve this, should change LRB configuration for single arm runs to only use the "good" detectors.