DIRC@EIC prototype simulation with CERN18 beam parameters. Comparison of the performance for 3.5 cm vs 7 cm bar width.
- 12 PMTs layout with 3mm x 3mm pixels
- 3.5 cm vs 7 cm bar with 3-layer cylindrical lens
- 1 cm beam diameter, no divergence
- kaon, pions @ 6 GeV/c
- time imaging reconstruction
- 100 ps time precision
Hit pattern (50k pi) for 3.5 cm bar @ 20 deg:
Hit pattern (50k pi) for 7.0 cm bar @ 20 deg:
Photon yield:
Separation power from time imaging:
Photon yield as a function of bar width:
Separation power from time imaging and geometrical reco as a function of bar width: