geometrical reco for gluex

  • hdgeant4 and sim-recon
  • 20M photons for LUT generation
  • averaged LUT
  • pions/kaons @ 4 GeV/c
  • 2 ns selection on time difference

Example of the LUT photon:

Hit pattern for 1k pions and kaons @ (theta=11, phi=90):

Cherenkov photons propagation time:

Reconstruction results in a form of SPR (single photon resolution) for pions/kaons @ (theta=11, phi=90) degree @ 4 GeV :