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Pedestal shift study » History » Version 10

Jixie Zhang, 02/02/2023 10:43 AM

1 1 Jixie Zhang
h1. Pedestal shift study
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========================================================================
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#4023-#4032: 20210120, no beam, HV on, pulse trigger
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#4066: 20210124, no beam, HV off, pulse trigger
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Name:_SC_D,_SC_A,_SC_B,_X,_LASPD_t,_LASPD_b,_SC_C,_PreSh_L(SDU#1),_PreSh_R(THU#1),_PreSh_T(SDU#2),_Shower_L(SDU#4),_Shower_R(THU#2),_Shower_T(SDU#5),__CerA,__CerB,__CerC, __CerD
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HV:___1150,_1550,_1650,_0,_____800,_____900,_1600,___________1470,___________1740,___________1680,____________1030,_____________1030,____________900,___930,___930,___930, ___930
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Do the HV scan following this table (note that CerD is connected to HV channel E08C2_ch07):
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For Cherenkov: ch13,ch14,ch15, E08C2_ch07: 910, 930,  950,  970
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For Shower:                     ch10,ch11: 900, 950, 1000, 1050
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For Shower:                          ch12: 800, 850,  900,  950
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|DetectorName| PreSh_L|PreSh_R| PreSh_T| Sh_L| Sh_R| Sh_T| CerA| CerB| CerC|CerD|
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|run\HV channel| ch07| ch08| ch09| ch10| ch11| ch12| ch13| ch14| ch15|E08C2_ch07|
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|20230120|
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|4023-4024| 1470| 1740| 1680|  800|  900|  900|  910|  910|  910|  910|
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|4025-4026| 1470| 1740| 1680|  950|  950|  850|  930|  930|  930|  930|
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|4027-4028| 1470| 1740| 1680| 1000| 1000|  900|  950|  950|  950|  950|
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|4029-4030| 1470| 1740| 1680| 1050| 1050|  950|  970|  970|  970|  970|
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|4031-4032| 1470| 1740| 1680| 1030| 1030|  900|  950|  950|  950|  950|
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|20230124|
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|     4066|    0|    0|    0|    0|    0|    0|    0|    0|    0|    0|
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|20230127|
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|     4084| 1470| 1740| 1680| 1030| 1030|  900|  950|  950|  950|  950|
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|     4085| 1515| 1800| 1730| 1030| 1030|  900|  950|  950|  950|  950|
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|     4086|    0|    0|    0|    0|    0|    0|    0|    0|    0|    0|
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|20230201|
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|4110-4111|    0|    0|    0|    0|    0|    0|    0|    0|    0|    0|
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|4112-4113| 1470| 1740| 1680| 1030| 1030|  900|  950|  950|  950|  950|
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========================================================================
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|20230120|
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|run#| ch7.00| ch7.01| ch7.02| ch7.03| ch7.04| ch7.05| ch7.06| ch7.07| ch7.08| ch7.09| ch7.10| ch7.11| ch7.12| ch7.13| ch7.14| ch7.15| ch8.00| ch8.01| ch8.02| ch8.03| ch8.04| ch8.05| ch8.06| ch8.07| ch8.08| ch8.09| ch8.10| ch8.11| ch8.12| ch8.13| ch8.14| ch8.15| 
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|4023| 106.7| 103.6| 99.1| 101.4| 101.3| 98.5| 103.4| 94.9| 108.9| 102.6| 107.2| 110.4| 105.0| 101.6| 103.5| 99.3| 115.3| 110.3| 123.0| 115.8| 104.9| 104.7| 108.4| 107.0| 107.0| 102.1| 104.4| 100.6| 104.9| 107.4| 113.2| 103.1| 
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|4024| 106.8| 103.7| 99.2| 101.4| 101.2| 98.5| 103.6| 95.0| 108.9| 102.7| 107.2| 110.6| 105.2| 101.6| 103.5| 99.5| 115.2| 110.5| 122.9| 115.5| 105.0| 105.0| 108.6| 107.2| 107.0| 102.1| 104.3| 100.7| 105.1| 107.6| 113.2| 103.1| 
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|4025| 106.6| 103.6| 99.3| 101.5| 101.3| 98.6| 103.5| 94.8| 109.0| 102.6| 107.4| 110.5| 105.3| 101.6| 103.6| 99.5| 115.0| 110.6| 122.9| 117.2| 105.1| 105.0| 108.4| 107.0| 107.0| 102.1| 104.4| 100.7| 104.9| 107.4| 113.3| 103.2| 
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|4026| 106.6| 103.6| 99.2| 101.5| 101.3| 98.6| 103.4| 95.0| 109.0| 102.6| 107.3| 110.4| 105.2| 101.5| 103.5| 99.5| 115.1| 110.4| 122.9| 117.4| 105.1| 104.8| 108.4| 107.0| 106.9| 102.1| 104.4| 100.7| 104.9| 107.5| 113.4| 103.1| 
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|4027| 106.5| 103.4| 99.1| 101.3| 101.2| 98.5| 103.3| 94.9| 108.8| 102.5| 107.3| 110.6| 105.3| 101.5| 103.5| 99.5| 115.2| 110.4| 122.9| 117.3| 105.0| 104.7| 108.5| 106.9| 106.9| 102.0| 104.3| 100.5| 105.2| 107.4| 113.4| 103.1| 
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|4028| 106.5| 103.5| 99.3| 101.5| 101.2| 98.5| 103.4| 94.9| 108.8| 102.4| 107.3| 110.5| 105.3| 101.5| 103.4| 99.4| 115.1| 110.4| 122.8| 117.4| 105.0| 105.0| 108.4| 106.9| 106.9| 102.0| 104.4| 100.8| 105.1| 107.4| 113.3| 103.2| 
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|4029| 106.5| 103.7| 99.1| 101.5| 101.3| 98.5| 103.5| 95.0| 108.9| 102.4| 107.4| 110.5| 105.3| 101.7| 103.5| 99.6| 115.2| 110.5| 122.8| 117.3| 105.0| 105.0| 108.5| 106.9| 106.9| 102.1| 104.4| 100.7| 105.0| 107.4| 113.2| 103.0| 
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|4030| 106.5| 103.7| 99.2| 101.6| 101.2| 98.5| 103.5| 95.0| 108.9| 102.5| 107.3| 110.7| 105.2| 101.6| 103.4| 99.6| 115.0| 110.5| 122.6| 117.5| 105.1| 105.0| 108.5| 106.9| 107.0| 102.0| 104.3| 100.7| 104.9| 107.4| 113.2| 103.3| 
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|4031| 106.8| 103.9| 99.4| 101.7| 101.1| 98.6| 103.9| 94.9| 109.2| 102.6| 107.4| 110.3| 105.4| 101.7| 103.4| 99.4| 115.4| 110.6| 122.7| 118.5| 105.1| 105.0| 108.5| 107.2| 106.9| 102.1| 104.3| 100.8| 105.0| 107.5| 113.4| 103.2| 
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|4032| 106.7| 104.0| 99.3| 101.7| 101.3| 98.7| 103.8| 95.1| 109.3| 102.7| 107.5| 110.6| 105.4| 101.8| 103.5| 99.4| 115.1| 110.7| 122.8| 118.7| 105.1| 105.0| 108.5| 107.2| 107.0| 102.1| 104.4| 100.7| 104.9| 107.7| 113.3| 103.3| 
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|20230124|
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|4066| 106.4| 103.8| 99.8| 101.6| 101.7| 98.6| 103.6| 95.8| 109.5| 103.3| 107.6| 110.5| 105.4| 102.0| 103.9| 99.5| 117.3| 109.4| 123.3| 124.4| 104.9| 105.0| 108.8| 107.0| 107.3| 101.6| 104.8| 101.2| 105.4| 108.0| 115.1| 103.2| 
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|20230127|
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|4084| 107.0| 104.9| 100.1| 102.3| 101.7|  99.3| 103.8|  96.5| 110.2| 103.5| 108.6| 110.4| 105.7| 102.5| 104.3|  99.6| 117.9| 110.0| 126.9| 128.1| 105.5| 105.5| 108.5| 108.3| 107.9| 105.6| 101.5| 104.6| 105.4| 108.2| 115.6| 104.0|
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|4085| 107.0| 105.0| 100.1| 102.3| 101.7|  99.3| 103.9|  96.4| 110.1| 103.5| 108.5| 110.4| 105.6| 102.5| 104.2|  99.6| 118.1| 110.0| 126.7| 128.3| 105.3| 105.6| 108.4| 108.3| 108.0| 105.8| 101.6| 104.4| 105.2| 108.3| 115.4| 104.1|
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|4086| 106.9| 105.1|  99.8| 102.2| 101.7|  99.1| 103.8|  96.4| 110.2| 103.5| 108.5| 110.3| 105.8| 102.7| 104.2|  99.7| 118.3| 109.7| 125.1| 128.3| 105.2| 105.5| 108.5| 108.3| 107.9| 104.6| 101.4| 104.4| 105.1| 108.2| 115.3| 104.1|
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|20230201|
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|4110| 106.0| 101.7|  99.7| 100.4|  99.7|  98.3| 101.3|  94.5| 107.3| 100.3| 106.8| 108.5| 103.2| 100.8| 101.4|  98.6| 107.6| 107.9| 103.3| 116.4| 103.0| 103.9| 106.7| 106.7| 106.2| 101.1| 100.0| 102.4| 103.4| 107.2| 108.2| 101.6|
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|4111| 106.0| 101.8|  99.6| 100.4|  99.6|  98.1| 101.3|  94.5| 107.3| 100.3| 106.8| 108.4| 103.1| 100.7| 101.4|  98.7| 107.5| 107.9| 103.3| 116.6| 102.9| 103.8| 106.7| 106.8| 106.2| 101.1| 100.0| 102.5| 103.2| 107.1| 108.1| 101.9|
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|4112| 105.9| 101.6|  99.6| 100.4|  99.8|  98.1| 101.4|  94.5| 107.1| 100.3| 106.9| 108.0| 103.3| 100.9| 101.4|  98.7| 107.4| 107.9| 105.1| 116.7| 103.0| 104.0| 106.8| 106.7| 106.2| 101.8| 100.0| 102.5| 103.3| 107.1| 108.3| 101.9|
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|4113| 106.0| 101.8|  99.6| 100.4|  99.8|  98.4| 101.4|  94.3| 107.2| 100.1| 106.9| 108.0| 103.3| 100.9| 101.3|  98.8| 107.7| 107.9| 104.8| 117.0| 103.1| 104.0| 106.7| 106.6| 106.3| 101.9| 100.0| 102.5| 103.2| 107.1| 108.3| 101.6|
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Summary:
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Within a short time (several days), pedestals are stable and do not show dependence on HVs.
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The largest change in pedestal happended to CerSum (ch8.03), which is 8.9 adc unit between HV off and HV on.
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However, this change is still within 3 sigma.
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The 2nd large change in pedestal happened to SC_D (ch8.00), which is 2.3 adc unit between HV off and HV on.