time imaging

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:

Detected photon yield (adjusted to beam data):

Reconstruction with simulated pdf (45k for each particle species):

Reconstruction with analytical pdf:

Accumulated time for all channels with analytical pdfs:


Scan of the number of event used to create PDF:

Improved result of TI with analytical PDF:

Pdfs for random hits. Histograms and function lines are for the simulated and analytical PDF respectively.