Run 20 AuAu9.2 EbyE T0 calibration
Updated on Fri, 2023-01-27 16:12. Originally created by genevb on 2023-01-27 16:12.
I looked at 4 runs spread across the three trigger setups (production_9p2GeV_2020, production_9p2GeV_2020b, and production_9p2GeV_2020c):


Next we take the profile plot and fit, as shown on the left below to arrive at the calibration numbers to use in the database:


-Gene
Run 20 AuAu9.2 EbyE T0 calibration
I looked at 4 runs spread across the three trigger setups (production_9p2GeV_2020, production_9p2GeV_2020b, and production_9p2GeV_2020c):
- st_physics_21038010_raw_3000003.daq
- st_physics_21041004_raw_1000002.daq
- st_physics_21080013_raw_1000002.daq (b)
- st_physics_21245006_raw_2500001.daq (c)
ebyeT0tree->Draw("(tpctow*tpcnow+tpctiw*tpcniw+tpctie*tpcnie+tpctoe*tpcnoe)/ (tpcnow+tpcniw+tpcnoe+tpcnie):(epdw+epde)/ 2", "tpcnow>5&&tpcnoe>5&&tpcnie>5&&tpcniw>5&&epdw>0&&epde>0","prof");


Next we take the profile plot and fit, as shown on the left below to arrive at the calibration numbers to use in the database:
- constant = [Mean y] - [p0] = -0.119 - (-0.09163) = -0.02737
- slope = - [p1] = 1.637e-5


-Gene
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