Performance for different imperfections of the radiators.
- DIRC@EIC, EPIC
- with B-field,track hitting middle of bar #5
- 3-layer spherical lens with sapphire, r=[62,36]
- 16x16 pixels MCP-PMTs with HIQ400, CE=95%
- pi/K @ 6 GeV/c; phi = 0 (no field); theta = 30 deg
- 100 ps time precision
- geometrical reconstruction with averaged LUT from 15M photons
- TI with 20k PDF for each particle type. PDF generated with corresponding bar shape.
- GR with per-PMT and chromatic corrections
Types of imperfections for the sides of the radiator:
Performance comparison at 30 degree polar angle. TI using PDFs from ideal bar :
TI using PDFs from imperfect bar :
Comparision for different polar angle. Using PDFs from imperfect bars. Performance for shape A:
B
C
D
E
F
G
Summary for ABCF (30 deg):
HP for shape G with alpha = 5 mrad; 30 deg:
Without (g). TI using PDFs from ideal bar :
TI using PDFs from imperfect bar :
