Run plan/To do list - Sunday, December 17 2017 - swing shift
From HallCWiki
By the grace of the Universe you already are at 30 deg and 1.3 GeV/c with HMS
1. Restore beam:
a. With raster off insert YAG and check the beam spot. Should be nice and round - not at all like a comet!
b. With the beam at the optimal positions found before (check the white board) take a C-hole run with 3 x 3 raster to check the beam centering on the target. If it looks good move on. If not, center the beam.
2. Request Ion Chamber Calibrations for Optics targets 1 and 2
3. Take large Ytar and Xptar/Yptar HMS optics data
a. Raster should be off and you should switch to sieve collimator for HMS
b. Insert target Optics 1 and take 30 minutes runs at 10 muA with HMS Hodoscopes discriminator thresholds at: 30 mV, 20 mV, 40 mV and 50 mV. (Expert: Simona M.)
c. Insert target 0.5% Carbon and take 15 minutes runs at 10 muA with various thresholds for the CER and PRESHOWER/SHOWER PID legs of the trigger (Expert: Eric P.)
HMS Threshold Scan Run 1) CER 40, PRSH-LO 40, PRSH-HI 60, SH-LO 40 ---> These are the initial settings Run 2) CER 30, PRSH-LO 30, PRSH-HI 50, SH-LO 30 Run 3) CER 25, PRSH-LO 25, PRSH-HI 40, SH-LO 25 Run 4) CER 20, PRSH-LO 20, PRSH-HI 30, SH-LO 20 Run 5) CER 15, PRSH-LO 15, PRSH-HI 20, SH-LO 15 Run 6) CER 10, PRSH-LO 10, PRSH-HI 10, SH-LO 10
SHMS Threshold Scan Run 1) HGCER 40, PRSH-LO 40, PRSH-HI 60 Run 2) HGCER 30, PRSH-LO 30, PRSH-HI 50 Run 3) HGCER 25, PRSH-LO 25, PRSH-HI 40 Run 4) HGCER 20, PRSH-LO 20, PRSH-HI 30 Run 5) HGCER 15, PRSH-LO 15, PRSH-HI 20 Run 6) HGCER 10, PRSH-LO 10, PRSH-HI 10
d. If possible a mode 10 run and a few runs with the EDTM turned on would be favorable