Difference between revisions of "20200708-PREX2-Analysis"
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# Devi: PMT non-linearity bench test [http://ace.phys.virginia.edu/HAPPEX/4170 HAPLOG 4170] | # Devi: PMT non-linearity bench test [http://ace.phys.virginia.edu/HAPPEX/4170 HAPLOG 4170] | ||
#* KP: is DAQ at the same setting as normal run? DA: Yes. | #* KP: is DAQ at the same setting as normal run? DA: Yes. | ||
| − | #* KK: Have we tried | + | #* KK: Have we tried leaving PMT on for a day long then performing measurement? DA: We tried hour long warming up and we have temperature sensors. |
# Ciprian: Transverse asymmetry sumary [https://docs.google.com/spreadsheets/d/1ZI68PgAn_zySKozZ__kHBvxlBmaTMKw9jPSl-EIa91k/edit?usp=sharing spreadSheet] | # Ciprian: Transverse asymmetry sumary [https://docs.google.com/spreadsheets/d/1ZI68PgAn_zySKozZ__kHBvxlBmaTMKw9jPSl-EIa91k/edit?usp=sharing spreadSheet] | ||
#* CP: we need further work to correct asymmetry sign | #* CP: we need further work to correct asymmetry sign | ||
| Line 23: | Line 23: | ||
#* David A: is the transverse spin direction perfectly vertical? CP: based on Mott results, I think it is within 2 %. | #* David A: is the transverse spin direction perfectly vertical? CP: based on Mott results, I think it is within 2 %. | ||
#* KK : We can tell this from the average. | #* KK : We can tell this from the average. | ||
| + | #* PK : transverse spin direction will affect loss in analyzing power. KK: HRS acceptance will make difference as well. | ||
== Present == | == Present == | ||
Revision as of 16:47, 8 July 2020
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Agenda
- Devi: PMT non-linearity bench test HAPLOG 4170
- KP: is DAQ at the same setting as normal run? DA: Yes.
- KK: Have we tried leaving PMT on for a day long then performing measurement? DA: We tried hour long warming up and we have temperature sensors.
- Ciprian: Transverse asymmetry sumary spreadSheet
- CP: we need further work to correct asymmetry sign
- David A: is it blinded? CP: No.
- Devi A: the target impurity is Carbon rate divided by Pb rate
- KK: we can have straight average from Moller and Compton results instead of weighting average.
- David A: is the transverse spin direction perfectly vertical? CP: based on Mott results, I think it is within 2 %.
- KK : We can tell this from the average.
- PK : transverse spin direction will affect loss in analyzing power. KK: HRS acceptance will make difference as well.
Present
Ciprian G, Tao Y, Dustin M, Ezekiel W, Rober R, Jim N, Quinn C, Kent P, Guido U, Sanghwa P, Victoria O, Ryan R, Paul S, Silviu CD, Devi A, Sakib R, Siyu J, Caryn P, Weibin Z, Ye T, KK, Cameron C, Amali P, Robert M, Juliette M, Briann Q, Adam Z, Don J, David A, Hanjie L, Devika B, Paul K
