Performance of the hpDIRC using Nikon bars as part of the radiator. 800 mm Nikon bar + 3 x 1225 BaBar bars. Using PANDA lens.
- EIC, ePIC, hpDIRC
- with B-field
- tracks hitting middle of the bar
- 3-layer spherical lens with sapphire, PANDA lens with r=[95,50] instead of r=[62,36]
- 4x6 layout; 16x16 pixels MCP-PMTs with HIQ400, CE=95%; 100 ps time precision
- transport efficiency based on BaBar ref. coef. measurements
- TI with 20k PDF for each particle type
Event display for track hitting bar #5 and #1(bottom):
pi/K @ 6 GeV/c, with B-field, 0.5 mrad tracking resolution:
