Performance comparison for different EV designs.
- EIC, ePIC, hpDIRC, updated geometry (barrel's R = 766.25)
- with B-field
- tracks hitting middle of the bar #5
- pi/K @ 6 GeV/c
- 0.5 mrad tracking resolution, unless labeled otherwise
- 3-layer spherical lens with sapphire, r=[62,36] for prism EV
- 2x3 and 1x3 layouts; 32x32 pixels HRPPD Incom.24, CE=70%; 100 ps time precision
- transport efficiency based on BaBar ref. coef. measurements
- TI with 20k PDF for each particle type.
Default, 300 mm prism depth, 2 rows of HRPPDs:
300 mm, 1 row:
200 mm, 1 row:
200 mm, 1 row, rectangular prism:
100 mm, 1 row:
Example of the hit pattern (30 deg). Default, 300 mm prism depth, 2 rows of HRPPDs :
HP (30 deg). 300 mm, 1 row:
HP (30 deg). 200 mm, 1 row:
HP (30 deg). 200 mm, 1 row, rect:
HP (30 deg). 100 mm, 1 row:
Radii scan. TI reconstruction. 200 mm prism:
Radii scan. TI reconstruction. 200 mm rectangular prism:
Radii scan. TI reconstruction. 100 mm prism: