Tracking resolution maps and corresponding performance. Based on latest (01.07.25) data from Matt. Tracking resolution was determined using "truth seeding".
- EIC, ePIC, hpDIRC
- with B-field
- tracks hitting middle of the bar #5
- 3-layer spherical lens with sapphire, 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
- 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
- previous v3
Maps (interpolated and extrapolated using only 3 momenta points):


Projection at 6 GeV/c compared to v3:


Performance comparison:




