Transversity Target Calibration List
From Hall A Wiki
This is a collection of he3 target calibration measurement for experiment transversity
Please add an entry for each furture calibration. Please include
- Time stamp as second order title
- the data directory
- Result if there is any
- measurement condition
- Link to Halog Entry
- Recormend to include the measurement time line
Contents
EPR Calibration
Nov 11, 2008
Nov 13, 2008
add you dam log
Water Calibration
Internal Temp. Calibration
NMR Cross Calibration
Nov 14, 2008
Please Ref to Halog #248715.
Please check the data according the the NMR time stamp below.
Event Time Line
Start Point: Pick up Coil Pos Trans - Holding Field Spin Antiparallel to Field Pol.=~60% 11:06 NMR Freq Sweep -> Pol = ~60% (42mV) RTD#0->6=67C 133C 167C 106C 52C 223C 221C 11:20 Bigbite ->710A 11:51 Pumping Laser Off From now on there is no good NMR pol first guess since cell temperature changes 12:33 Temp Stable to Oven=330C Coil=-4.601A,6.232A,0.712A RTD#0->6=66C 134C 167C 107C 53C 224C 221C 12:40 Target -> He3 12:43 Freq NMR @ He3 -> Pol=~60% (40mV), Peak @ 81kHz 12:53 Temp Stable to Oven=330C Coil=-4.599A,6.230A,0.712A RTD#0->6=40C 71C 140C 61C 38C 223C 220C -------------------------------------------------------- NMR Cross Calibration Start -------------------------------------------------------- 12:54 Freq NMR @ He3 -> Pol=50-60% 33mV 01:00 Field -> Long + 01:02 Target -> Pick Coil 01:13 Temp Stable to RTD#0->6=64c 130c 167c 105c 52c 224C 221C 01:14 Field NMR -> Pol=~56% (calib const changes when he3 temperature changes) 01:15 Target -> He3 01:27 Temp Stable to RTD#0->6=40C 71C 137C 62C 38C 223C 221C 01:27 Freq NMR @ He3 -> Pol=50-60% (31mV) -------------------------------------------------------- NMR Cross Calibration Ends -------------------------------------------------------- 01:50 Temperature change screen shot 02:06 NMR Field Sweep. Pol.=~40~50%