MS for fast sim

  • DIRC@EIC design; 11 bars; 4x6 MCP-PMT array; 3-layer spherical lens with nlak33
  • 3 mm pixels HIQ400, CE=95%
  • 100 ps time precision
  • geometrical reconstruction with averaged LUT from 5M photons
  • 0.8 tracking resolution. See track resolution scan for more.
  • base class DrcPidFast

Momentum dependence of the multiple scattering smearing:

Smearing due to the multiple scattering as the function of radiator thickness for 30 and 90 degree incident angle:

Fast simulation results for 10 and 17 mm thick radiator; e/pi @ 30 degree:

Fast simulation results for pi/K @ 30 degree: