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:
![](/~rdzhigad/data/eic/prototype_pix/256/hp.png)
![](/~rdzhigad/data/eic/prototype_pix/64/hp.png)
Yield (same for both):
![](/~rdzhigad/data/eic/prototype_pix/256/nph.png)
SPR (0.5 mrad tracking) (256 - top; 64 - bottom):
![](/~rdzhigad/data/eic/prototype_pix/256/tangle_05.png)
![](/~rdzhigad/data/eic/prototype_pix/64/tangle_05.png)
SPR (1.5 mrad tracking) (256 - top; 64 - bottom):
![](/~rdzhigad/data/eic/prototype_pix/256/tangle_15.png)
![](/~rdzhigad/data/eic/prototype_pix/64/tangle_15.png)
GR separation (0.5 mrad tracking) (256 - top; 64 - bottom):
![](/~rdzhigad/data/eic/prototype_pix/256/lhood_gr_05.png)
![](/~rdzhigad/data/eic/prototype_pix/64/lhood_gr_05.png)
GR separation (1.5 mrad tracking) (256 - top; 64 - bottom):
![](/~rdzhigad/data/eic/prototype_pix/256/lhood_gr_15.png)
![](/~rdzhigad/data/eic/prototype_pix/64/lhood_gr_15.png)
TI separation (0.5 mrad tracking) (256 - top; 64 - bottom):
![](/~rdzhigad/data/eic/prototype_pix/256/lhood_ti_05.png)
![](/~rdzhigad/data/eic/prototype_pix/64/lhood_ti_05.png)
TI separation (1.5 mrad tracking) (256 - top; 64 - bottom):
![](/~rdzhigad/data/eic/prototype_pix/256/lhood_ti_15.png)
![](/~rdzhigad/data/eic/prototype_pix/64/lhood_ti_15.png)
SPR (0.5 mrad tracking):
![](/~rdzhigad/data/eic/prototype_pix/spr.png)
GR (0.5 mrad tracking):
![](/~rdzhigad/data/eic/prototype_pix/sep_gr.png)