Data analysis » History » Revision 13
Revision 12 (Bishnu Karki, 08/31/2020 10:23 PM) → Revision 13/25 (Zhiwen Zhao, 09/16/2020 07:37 PM)
h1. Data analysis h2. general "How to read FADC250 scalers" https://logbooks.jlab.org/entry/3808745 "scaler file of run 158" https://logbooks.jlab.org/entry/3808730 SPE https://logbooks.jlab.org/entry/3807172 C4F8 gas change https://logbooks.jlab.org/entry/3848116 log search with keyword "solid" https://logbooks.jlab.org/search/site/SoLID?f%5B0%5D=im_field_logbook%3A81 h2. file file location /work/halla/solid/cc_pro/beamtest /work/solid/cc_pro/beamtest run 160: production run, 30uA on PolHe3 target, fadc mode 1 single every 4ns, large angle, CO2 event by event output have the entries as follows ec_peak,ec_pos,ec_nhits,ec_sum,sc_peak,sc_pos,sc_nhits,sc_sum,Cer11_1_peak,Cer11_2_peak,Cer11_3_peak,Cer11_4_peak,Cer11_5_peak,......,,Cer11_2_pos,Cer11_3_pos,Cer11_4_pos,Cer11_5_pos,.......,ec_ch,sc_ch ........................................................................ run160_0_all.csv (entries 990243) id: event id ec_peak: the peak height of the channel with max peak height, but about 90% of the events have only one channel fired, so it is close to the sum. ec_pos: the peak sample number in the unit of 4ns ec_nhits: number of hits ec_sum: sum of all channels of peak height sc_* : similar things for SC2 which is the plane behind Cerenkov tube Cer11_1_peak: peak height of Cer11 quad1 Cer11_5_peak: peak height of Cer11 sum Cer11_1_pos: the peak sample number in the unit of 4ns of Cer11 quad1 Cer11_5_pos: the peak sample number in the unit of 4ns of Cer11 sum ec_ch: the channel with max peak height sc_ch: the channel with max peak height Cer pos is relative to ec_pos, ec_pos and sc_pos are relative to trigger. ........................................................................ run160_1_all.csv (entries 12085327) all entries have timing cut Cerenkov peak is actually number of p.e. and all other entries are just like run160_0_all.csv ........................................................................