Time difference distributions for data and simulations.
- GlueX commissioning data; Geant4 (hdgeant4) simulation
- bar #3, central region
- [3.8,4.2] GeV/c momentum
- without per-pixel corrections
- without lut corrections
Commissioning data for pions:
![](/~rdzhigad/data/gluex/time/pi_data/h2Time_10_3_4.0_0.0000_-0.080_0.210.png)
![](/~rdzhigad/data/gluex/time/pi_data/hDiff_10_3_4.0_0.0000_-0.080_0.210.png)
Commissioning data for kaons:
![](/~rdzhigad/data/gluex/time/k_data/h2Time_10_3_4.0_0.0000_-0.080_0.210.png)
![](/~rdzhigad/data/gluex/time/k_data/hDiff_10_3_4.0_0.0000_-0.080_0.210.png)
Simulation for pions:
![](/~rdzhigad/data/gluex/time/pi_sim/h2Time_10_3_4.0_0.0000_-0.080_0.210.png)
![](/~rdzhigad/data/gluex/time/pi_sim/hDiff_10_3_4.0_0.0000_-0.080_0.210.png)
Simulation for kaons:
![](/~rdzhigad/data/gluex/time/k_sim/h2Time_10_3_4.0_0.0000_-0.080_0.210.png)
![](/~rdzhigad/data/gluex/time/k_sim/hDiff_10_3_4.0_0.0000_-0.080_0.210.png)
Simulation for kaons with gaussian smearing of the measured time (sigma=3 ns):
![](/~rdzhigad/data/gluex/time/k_sim_smeared/h2Time_10_3_4.0_0.0000_-0.080_0.210.png)
![](/~rdzhigad/data/gluex/time/k_sim_smeared/hDiff_10_3_4.0_0.0000_-0.080_0.210.png)
Cut optimization:
![](/~rdzhigad/data/gluex/time/old.png)
![](/~rdzhigad/data/gluex/time/new.png)