Stony Brook University Detector RD for the Future

Stony Brook University Detector R&D for the Future Electron-Ion Collider (EIC): T-1037 Progress Report… Marie Blatnik for T-1037

Electron-Ion Collider q e. RHIC @ BNL q MEIC @ J-Lab q “The Next QCD Frontier q Physics: Ø Matter at high gluon density Ø Nucleon spin Ø Spatial Parton Distributions T-1037 is funded by the Site-neutral R&D Program administered @ BNL 2

MT 6 1 A – Minidrift GEM chamber q Challenge: Standard GEM tracking chambers have their resolution deteriorate with non-normal incidence. q Approach: Raising the grid above the first GEM allows each chamber to measure a vector to correct for the inclination of every track. 3

MT 6 – 1 A q Technical Achievement: Readout in concert with high resolution silicon telescope. q Data taking on first of two chambers complete. 4

MT 6 -2 A 3 -coordinate readout q Challenge: Cartesian Readouts lead to ambiguities in X-Y associations for high multiplicity events. q Solution: 3 coordinate readout made on double-sided kapton. q Status: Working and taking data. 5

MT 6 – 2 B Large Area Tracking Chambers q Challenge: GEM detector technology must be expanded in size to be useful in large experiments. Other than at CERN, these are the largest area GEM trackers in the world. q Status: Working and taking data. 6

MT 6 – 2 D Short Radiator RICH q Challenge: Hadron (pion, kaon, proton) ID at high lab momentum requires the Cherenkov effect. Typical long radiator lengths (e. g. 3 meters CF 4 in LHCb) make experiments large/costly. q Solution: Cs. I photocathode RICH allows operation in DEEP UV (down to 120 nm) thereby collecting more light. Further, this photon detection technology is VERY inexpensive per unit area. 7

MT 6 – 2 D RESULTS! 8

Summary q All totaled, there are 19 different detector systems working concurrently in MTEST. q All are doing very well and providing exciting results. 9