Time imaging reconstruction for GlueX DIRC simulation
- hdgeant4 simulation
- time imaging
- 4 GeV/c pions and kaons from rho and phi events
- bar #3, phi = -90 degree
Particles hit positions on DIRC wall:
![](/~rdzhigad/data/gluex/reco_ana_pdfsim/wall_sim_3_4_4d0.png)
Detected photon yield (adjusted to beam data):
![](/~rdzhigad/data/gluex/reco_ana_pdfsim/nph_sim_3_4_4d0.png)
Reconstruction with simulated pdf (45k for each particle species):
![](/~rdzhigad/data/gluex/reco_ana_pdfsim/lndiff_sim_3_4_4d0.png)
Reconstruction with analytical pdf:
![](/~rdzhigad/data/gluex/reco_ana_pdfsim/lndiff_ana2_3_4_4d0.png)
Accumulated time for all channels with analytical pdfs:
![](/~rdzhigad/data/gluex/reco_ana_pdfsim/time_ana2_3_4_4d0.png)
Updates:
Scan of the number of event used to create PDF:
![](/~rdzhigad/data/gluex/reco_ana_pdfsim/stat.png)
Improved result of TI with analytical PDF:
![](/~rdzhigad/data/gluex/reco_ana_pdfsim/lndiff_sim_3_4_4d0_improved.png)
Pdfs for random hits. Histograms and function lines are for the simulated and analytical PDF respectively.