
Cosmic Ray Data and Test Results with HV at BESIII
Explore the cosmic ray data and test results taken with high voltage at BESIII from April 19 to April 21, 2025. Check the performance of the CGEM and other sub-detectors, including trigger rates and error analysis. Discover the L1 trigger rate observed during this period.
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Presentation Transcript
Cosmic ray data taking with HV Mingyi Dong 2025-04-21
Cosmic ray test HV of CGEM and other sub detector were powered on BESIII normal trigger configuration, trigger rate : ~370Hz From April 19 to April 21
Check results CGEM CGEM uniq number number uniq trigger trigger CGEM Last trigger CGEM Last trigger number number Run No Run No start start stop stop BESIII event number BESIII event number CGEM check error CGEM check error event rate event rate (HZ) (HZ) 2025.4.19 11:27 85160 1264176 1264176 1264176 No 370 85161 12:31 1706581 1706581 1706581 No 370 85162 13:51 1558112 1558112 1558112 No 370 85163 15:04 2749600 2749600 2749600 No 370 85164 17:07 3020543 3020543 3020543 No 370 85165 19:22 2622562 2622556 2622556 No 370 2025.4.20 9:40 85172 1332482 1332482 1332482 No 370 85173 10:45 DAQ crash 784266 784266 784266 No 370 85174 11:22 2338266 2338266 2338266 No 370 85175 13:11 2591929 2591929 2591929 No 370 85176 15:09 2053945 2053945 2053945 No 370 85177 16:40 GEMROC 16 error 47141 47141 47141 No 370 85178 16:46 2456963 2456963 2456963 No 370 85179 18:38 2210107 2210107 2210107 No 370 85180 20.21 2153024 2153024 2153024 No 370
Check results CGEM CGEM uniq number number uniq trigger trigger CGEM Last trigger CGEM Last trigger number number Run No Run No start start stop stop BESIII event number BESIII event number CGEM check error CGEM check error event rate event rate (HZ) (HZ) 2025.4.21 11:28 85188 1337043 1337042 1337042 No 370 DAQ crash due to CGEM 85189 12:31 256527 256527 256527 No 370 85190 13:51 2076353 2076353 2076353 No 370 85191 17:07 2570047 2570047 2570047 No 370 85192 19:22 2355342 2355342 2355342 No 370