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Data analysis » History » Version 22

Zhiwen Zhao, 03/03/2021 07:52 PM

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h1. Data analysis
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h2. general
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carbon target https://logbooks.jlab.org/entry/3750828
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SPE https://logbooks.jlab.org/entry/3807172
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"How to read FADC250 scalers" https://logbooks.jlab.org/entry/3808745
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"scaler file of run 158" at large angle https://logbooks.jlab.org/entry/3808730
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large angle run 160 analysis https://logbooks.jlab.org/entry/3853160
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small angle run 302 data analysis https://logbooks.jlab.org/entry/3853129
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small angle run 302 data taking https://logbooks.jlab.org/entry/3820300 https://logbooks.jlab.org/entry/3820256 https://logbooks.jlab.org/entry/3820280 https://logbooks.jlab.org/entry/3820241
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typical event https://logbooks.jlab.org/files/2020/09/3853122/mapmt_sums_event_78237.png
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C4F8 gas change https://logbooks.jlab.org/entry/3848116
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general log search with keyword "solid" to include content in hallC log https://logbooks.jlab.org/search/site/SoLID?f%5B0%5D=im_field_logbook%3A81
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solid log search for year 2020 [https://logbooks.jlab.org/entries?start_date=2020-01-01%2000%3A00&end_date=2020-12-29%2000%3A00&logbooks%5B0%5D=560&search_str=&group_by=SHIFT&listing_format=table&entries_per_page=100&form_build_id=form-UCte5bWEoOS6iR2jTkFiL7v_38wBt4MQi2-5eyW1MYI&form_token=jrBS9-8RyHRLvMk-YIxHU2vWdIFbgfwWl4KKZ4O0K2o&form_id=elog_form_advanced_filters&op=Submit]
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h2. file
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raw data /cache/halla/solid/subsystem/lgc/testrun2020/ 
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analysis file location /work/halla/solid/cc_pro/beamtest
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run 160: production run, 30uA on PolHe3 target, fadc mode 1 single every 4ns, large angle, CO2
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event by event output have the entries as follows
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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
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run160_0_all.csv  (entries 990243)
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id: event id
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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.
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ec_pos: the peak sample number in the unit of 4ns
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ec_nhits: number of hits
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ec_sum: sum of all channels of peak height
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sc_* : similar things for SC2 which is the plane behind Cerenkov tube
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Cer11_1_peak: peak height of Cer11 quad1 
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Cer11_5_peak: peak height of Cer11 sum
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Cer11_1_pos: the peak sample number in the unit of 4ns of Cer11 quad1 
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Cer11_5_pos: the peak sample number in the unit of 4ns of Cer11 sum
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ec_ch: the channel with max peak height
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sc_ch: the channel with max peak height
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Cer pos is relative to ec_pos, ec_pos and sc_pos are relative to trigger.
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run160_1_all.csv (entries 12085327)
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all entries have timing cut 
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Cerenkov peak is actually number of p.e. and all other entries are just like run160_0_all.csv
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