Revision as of 18:02, 14 November 2008

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

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%