Difference between revisions of "Cerenkov"
From Hall A Wiki
| Line 1: | Line 1: | ||
Some importance values on Gas Cerenkov: | Some importance values on Gas Cerenkov: | ||
1, There 10 mirrors to collect the light then focusson 10 PMTs. | 1, There 10 mirrors to collect the light then focusson 10 PMTs. | ||
| − | 2, Filled with CO2: n=1.00041 | + | 2, Filled with CO2: n=1.00041. |
| − | 3, Light emission threshold: for electron ~ 0.017 GeV/c, for pion ~ 4.8 Gev/c | + | 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. | ||
Revision as of 16:34, 18 March 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.
