Difference between revisions of "Moller Polarimeter/A1n/d2n"
| Line 1: | Line 1: | ||
==Moller measurement summaries for A1n/d2n== | ==Moller measurement summaries for A1n/d2n== | ||
This is the "Cliff notes section on Moller polarimetry runs during the Polarized Helium-3 Running. | This is the "Cliff notes section on Moller polarimetry runs during the Polarized Helium-3 Running. | ||
| + | '''February 12, 2020''' [https://logbooks.jlab.org/entry/3782578] | ||
| + | '''February 3, 2020''' Spin Dance[https://logbooks.jlab.org/entry/3776671] | ||
'''January 27, 2020''' Moller tune check and collimator settings[https://logbooks.jlab.org/entry/3772104].The beam current was 1 uA and IHWP IN. During the first three runs (1385-1387), Hall A was changing their slit and attenuator. During the last 3 runs(1388-1390),had the same slit settings.Summary[https://logbooks.jlab.org/entry/3771982], Moller measurement results[https://logbooks.jlab.org/entry/3772152] , BPMs:[https://logbooks.jlab.org/entry/3772135] | '''January 27, 2020''' Moller tune check and collimator settings[https://logbooks.jlab.org/entry/3772104].The beam current was 1 uA and IHWP IN. During the first three runs (1385-1387), Hall A was changing their slit and attenuator. During the last 3 runs(1388-1390),had the same slit settings.Summary[https://logbooks.jlab.org/entry/3771982], Moller measurement results[https://logbooks.jlab.org/entry/3772152] , BPMs:[https://logbooks.jlab.org/entry/3772135] | ||
Revision as of 14:12, 12 February 2020
Moller measurement summaries for A1n/d2n
This is the "Cliff notes section on Moller polarimetry runs during the Polarized Helium-3 Running. February 12, 2020 [1]
February 3, 2020 Spin Dance[2]
January 27, 2020 Moller tune check and collimator settings[3].The beam current was 1 uA and IHWP IN. During the first three runs (1385-1387), Hall A was changing their slit and attenuator. During the last 3 runs(1388-1390),had the same slit settings.Summary[4], Moller measurement results[5] , BPMs:[6]
January 18, 2020 Before this measurement, timed in randoms so that right arm comes exactly 16 ns after left. [7]. During measurement, replaced 8 ns with 6 ns delay on left arm. Reduced left/right HV by 25 V (1245/1225). Ran with collimator 5 in - this reduced backgrounds a little. Q2/Q3 current changed to 1284.604 A. Bleedthrough check, ~ 10 nA. [8] Settings: [9] Summary: [10] Measurements: [11] BPMs: [12]
December 19, 2019
Table of good Moller runs
This will be a log of all "good" Moller runs; ie, our "production" runs. It will include some detailed notes when necessary.
Date Run Pol (%) Error (%) Hwien Flip Energy(MeV) Comment 01/18/20 1366 -29.64 right 10.3857 Detector Tune Check 1368 86.31 0.98 -29.64 right 10.3857 Production IHWP OUT 1369 85.23 0.98 -29.64 right 10.3857 Production IHWP OUT 1370 86.53 1.49 -29.64 right 10.3857 Production IHWP OUT 1371 -86.05 0.90 -29.64 right 10.3857 Production IHWP IN 1372 -85.69 0.99 -29.64 right 10.3857 Production IHWP IN 1374 -86.44 1.06 -29.64 right 10.3857 Production IHWP IN 1375 -84.96 1.79 -29.64 right 10.3857 Production IHWP IN 1376 -83.91 1.55 -29.64 right 10.3857 Production IHWP IN 1377 -85.18 1.60 -29.64 right 10.3857 Production IHWP IN 1378 -85.74 0.96 -29.64 right 10.3857 Production IHWP IN
