[Halla_running] [CREX] RC update

Robert Michaels rom at jlab.org
Thu Mar 19 10:17:59 EDT 2020


Today there are beam studies for 2 hours.  We may try (opportunistically)
to check a VME power supply for the Moller DAQ.   Otherwise, we are in
smooth production mode.  Lately, every day has been like a cool Sunday owl.

Currently we are at 224 C (good Coulombs) which, according to Tao Ye, our
analysis super expert, corresponds to a statistical error of ~6 % on the
(blinded!) physics asymmetry for CREX.  Of course, it could be a little
bit different when we unblind.  Recall, the goals were 467 C and dA/A = 4%.
Tao says we might even be able to recover a little bit more from the
data we have, e.g. the single-arm runs.  Awesome sauce !

The order of the day:  production !

No meeting today.

Bob Michaels
Run Coordinator


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