- 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:
![](/~rdzhigad/data/eic/fastsim_ms/ms_1gev_30_fit.png)
Smearing due to the multiple scattering as the function of radiator thickness for 30 and 90 degree incident angle:
![](/~rdzhigad/data/eic/fastsim_ms/ms_1gev_30.png)
![](/~rdzhigad/data/eic/fastsim_ms/ms_1gev_90.png)
Fast simulation results for 10 and 17 mm thick radiator; e/pi @ 30 degree:
![](/~rdzhigad/data/eic/fastsim_ms/mom.png)
Fast simulation results for pi/K @ 30 degree:
![](/~rdzhigad/data/eic/fastsim_ms/mom_pik.png)