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User name J. Singh
Log entry time 11:15:11 on August18,2003
Entry number 111851
keyword=Elastic Runs @ 2.2 GeV / 9 deg
Elastic Run Summary 08/17/03
note that originally we were supposed to take this at P0=2.213 GeV. it turned out that the quasielastic background looked too large, so we increased the right arm momentum to 2.2515. see 111519.
E=2.234 GeV, P0=2.2515 GeV, Iset=290.60A, Iread=289.50A, P(left)=2.170 GeV
kin 10.02: BHWP=OUT, Pol 3He = 0 deg, BCM = 5.3 microA, T1 = 11K
Run # (R/L) Start:Stop Events
3679/23679 1133:1138 645K/x
3680/23680 1240:1250 3.0M/582K
3681/23681 1306:1316 3.0M/566K
3682/23682 1319:1328 3.0M/560K
3683/23683 1330:1341 3.0M/555K
3684/23684 1343:1356 3.0M/563K
3685/23685 1401:1409 3.0M/545K
3686/23686 1410:1424 3.0M/561K
kin 10.01: BHWP=IN, Pol 3He = 0 deg, BCM = 5.3 microA, T1 = 11K
Run # (R/L) Start:Stop Events
3687/23687 1425:1440 2.5M/468K
3688/23688 1442:1450 517K/100K
3689/23689 1459:1514 3.0M/589K
3690/23690 1515:1526 3.0M/571K
3691/23691 1529:1551 3.0M/567K
3692/23692 1552:1607 3.0M/590K
3693/23693 1610:1622 3.0M/578K
3694/23694 1624:1630 1.8M/299K (BPM ~0.5mm off)
3695/23695 1631:1641 3.0M/551K
kin 10.03: BHWP=IN, Pol 3He = 180 deg, BCM = 4.8 microA, T1 = 10K
Run # (R/L) Start:Stop Events
3696/23696 1711:1734 3.0M/1.1M
3697/23697 1736:1749 3.0M/568K
3698/23698 1750:1805 3.0M/602K
3699/23699 1807:1815 620K/118K (MCC: beam going for awhile)
3700/23700 1911:1922 3.0M/609K
3702/23702 1924:1937 2.9M/469K
3703/23703 1951:2002 3.0M/579K
kin 10.04: BHWP=OUT, Pol 3He = 180 deg, BCM = 5.0 microA, T1 = 11K
Run # (R/L) Start:Stop Events
3705/23705 2319:2334 1.6M/357K ("target was not removed")
3706/23706 2334:2349 3.1M/684K
3707/23707 2358:0011 3.0M/600K
3708/23708 0018:0030 3.0M/500K
3710/23710 0033:0043 3.0M/500K
3711/23711 0046:0058 3.0M/560K (beam position not great)
Ref Cell runs:
3712/23712 0121:0126 empty/10 microA/450 Hz
3713/23713 0129:0135 N2=140psig/5 microA/34K