Abstract
We have developed a GEM-TPC for H-dibaryon search at J-PARC E42, which reconstructs charged particles from the H-dibaryon decay in (K -,K+) reaction. Since 106 cps/cm2 K- beams are injected to the TPC, GEMs and a gating grid are adopted to suppress positive ion feedback. The TPC is also designed to have good position resolutions corresponding to the ΛΛ invariant mass resolution of a few MeV/c2. The design of the E42 TPC, and performance evaluations of a prototype TPC are described.
| Original language | English |
|---|---|
| Article number | C04009 |
| Journal | Journal of Instrumentation |
| Volume | 9 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2014 Apr |
| Externally published | Yes |
Keywords
- Gaseous detectors
- Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc)
- Time projection Chambers (TPC)
ASJC Scopus subject areas
- Instrumentation
- Mathematical Physics