DIRC@EIC prototype sim 256 vs 64

DIRC@EIC prototype simulation with CERN18 beam parameters. Comparison of PMTs with 256 and 64 pixels.
  • 12 PMTs layout.
  • bar with 3-layer spherical lens
  • 1 cm beam diameter, different divergence
  • kaon, pions @ 6 GeV/c @ 20 deg
  • 100 ps time precision

Hit pattern:

Yield (same for both):

SPR (0.5 mrad tracking) (256 - top; 64 - bottom):

SPR (1.5 mrad tracking) (256 - top; 64 - bottom):

GR separation (0.5 mrad tracking) (256 - top; 64 - bottom):

GR separation (1.5 mrad tracking) (256 - top; 64 - bottom):

TI separation (0.5 mrad tracking) (256 - top; 64 - bottom):

TI separation (1.5 mrad tracking) (256 - top; 64 - bottom):

SPR (0.5 mrad tracking):

GR (0.5 mrad tracking):