Run15 VPDMB-5 trigger commission
Updated on Tue, 2015-02-17 11:44. Originally created by dongx on 2015-02-17 11:41.
VPD slewing calibration table was implemented on Feb. 13. Three following runs were processed offline to check the Vz distribution and estimate the triggering purity within the HFT acceptance.
16045033 BBCx ~ 400kHz
16045043 BBCx ~ 800kHz
16045055 BBCx ~ 500kHz
16045033 | 16045043 | 16045055 | |
BBCx | 400k | 800k | 500k |
VzTPC vs VzVPD | |||
VzTPC-VzVPD | |||
VzTPC | |||
sigma
Purity (ratio of |Vz|<5cm/ all ) |
7.4 +/- 0.3 cm
50% |
7.7 +/- 0.2 cm
48% |
7.9 +/- 0.3 cm
47% |
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