• Main INDEX
  • Monthly INDEX
  • PREV
  • NEXT
    Make New Entry, Make Followup Entry

    User name yez

    Log entry time 00:09:09 on March 26, 2011

    Entry number 353231

    Followups:

    keyword=L-HRS: Reduce HVs of Cerenkov and create a new data base ~/20110326

    I align S.P.E speaks to be 100 channels hence keep reducing HVs of all
Cer PMTs:
#Ped    HV_old     HV_new   hv_ratio
Cer#0  -1687.0    -1591.7    0.944   
Cer#1  -1619.0    -1490.6    0.921   
Cer#2  -1789.0    -1625.8    0.909   
Cer#3  -1435.0    -1343.4    0.936   
Cer#4  -1762.0    -1623.6    0.921   
Cer#5  -1565.0    -1462.5    0.934   
Cer#6  -1518.0    -1400.0    0.922   
Cer#7  -1932.0    -1838.9    0.952   
Cer#8  -1801.0    -1699.0    0.943   
Cer#9  -1654.0    -1549.8    0.937   


This HVs change happen at the begin of March 26th so I create a new data
base for all data taking starting from 26th.





    Figure 1