Difference between revisions of "L-Cerenkov"

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(New page: Some importance values on Gas Cerenkov: 1, There 10 mirrors to collect the light then focusson 10 PMTs. 2, Filled with CO2: n=1.00041. 3, 1000mm for the GC in R-HRS and 1500mm for the G...)
 
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  4, Light emission threshold: for electron ~ 0.017 GeV/c, for pion ~ 4.8 Gev/c.
 
  4, Light emission threshold: for electron ~ 0.017 GeV/c, for pion ~ 4.8 Gev/c.
  
ADC Alignment:
+
 
#      Ped    Peak_obs  Peak_need  SPE        Gain        HV_old    HV_new    hv_ratio
+
 
Cer#0  422.9  668.5      722.9      235.650    1.221      -1752.0    -1787.4    1.020 
+
Cer#1  366.6  895.7      666.6      519.158    0.567      -1800.0    -1700.7    0.945 
+
Cer#2  372.9  761.6      672.9      378.643    0.772      -2001.0    -1949.9    0.974 
+
Cer#3  389.9  761.3      689.9      361.424    0.808      -1571.0    -1537.8    0.979 
+
Cer#4  517.3  883.0      817.3      355.736    0.820      -1926.0    -1888.2    0.980 
+
Cer#5  457.1  729.4      757.1      262.349    1.102      -1651.0    -1667.0    1.010 
+
Cer#6  474.8  812.3      774.8      327.507    0.889      -1650.0    -1630.7    0.988 
+
Cer#7  432.4  616.5      732.4      174.119    1.629      -1999.0    -2099.0    1.050 
+
Cer#8  409.8  592.0      709.8      172.258    1.646      -1840.0    -1934.0    1.051 
+
Cer#9  395.9  658.2      695.9      252.239    1.144      -1750.0    -1773.7    1.014 
+
  
 
[[Image:L.cer.ADC.png]]
 
[[Image:L.cer.ADC.png]]
 
[[Image:L.cer.ADC.spe.png]]
 
[[Image:L.cer.ADC.spe.png]]

Latest revision as of 14:29, 2 June 2011

Some importance values on Gas Cerenkov:

1, There 10 mirrors to collect the light then focusson 10 PMTs.
2, Filled with CO2: n=1.00041.
3, 1000mm for the GC in R-HRS and 1500mm for the GC in L-HRS.
4, Light emission threshold: for electron ~ 0.017 GeV/c, for pion ~ 4.8 Gev/c.



L.cer.ADC.png L.cer.ADC.spe.png