Comparison of the Barrel DIRC 's performance for default and custom lens's radii. The custom radii of 94.5 mm and 47.3 mm corresponds to effective focal length of 200 mm and 100 mm, correspondingly.
- PandaRoot simulations without field
- configuration with narrow bars, 3 layer spherical lens, and 8 MCPs layout with ~17 mm gap
- pions and kaons @ p = 3.6 GeV/c @ phi = 10.825 deg
- time-imaging reconstruction with full-simulated pdfs
- 30k tracks for pdf generation (per each particle species); 5k for determining separation
- ~2 mrad tracking resolution
- realistic time precision
- QE=26(32)% ( blue curve). CE=95%
- spatial QE = 1
Photon yield:
Separation power:
