User name H. Anklin
Log entry time 11:08:58 on March 9,1998
Entry number 4145
Followups:
- 4147 03/09/98 11:10 H. Anklin BCM calibration analysis plots
- 4148 03/09/98 11:10 H. Anklin BCM calibration analysis plots cont.
- 4279 03/13/98 11:55 Reinhold New gscalers.param.18316
- 50083 10/18/02 22:31 kenyon LHe PID Working/Pager
BCM calibration analysis of Run 18316 leads to the following offsets and gains:
run: 18316:
Current(microA) BCM1(rate) BCM2(rate) BCM3(rate) Weight
.0 250270.5 250251.6 252042.8 260.0
11.7 291072.8 372622.7 292510.9 36.0
28.0 349273.1 547139.4 357184.2 32.0
43.2 402241.5 706204.5 415129.1 33.0
11.3 291019.1 372535.5 292486.6 33.0
28.3 349307.1 547320.6 357242.1 31.0
43.1 402120.7 705935.7 415130.3 23.0
gain factors for three cavity monitors
gbcm1_gain = .00028491 ; microA/Hz
gbcm2_gain = .00009495 ; microA/Hz
gbcm3_gain = .00025812 ; microA/Hz
gunser_gain = .00025000 ; microA/Hz
zero offsets for BCM s
gbcm1_offset = 250635. ; Hz
gbcm2_offset = 251284. ; Hz
gbcm3_offset = 248022. ; Hz
gunser_offset = 276954. ; Hz
Figure 1: shows the raw rates.
Figure 2: shows the determined UNSER
FIGURE 1
FIGURE 2
