Table 2:
Evolution of the mean pulse height of both PMs (in mV) and values of each change on the high voltages (in V). The added index 1 and 2 indicates the corresponding PM tube. The maximum voltage supported by each PM is 1200 V.
Date |
 |
 |
Voltage 1 |
Voltage 2 |
7-Mar.-96 |
228 |
231 |
889.5 |
967.5 |
17-Mar.-96 |
247 |
245 |
909.5 |
978.5 |
21-May-96 |
229.3 |
229.5 |
|
|
15-Oct.-96 |
202.5 |
211.5 |
|
|
13-Jan.-97 |
187.2 |
204.3 |
|
|
15-Mar.-97 |
177.8 |
200.5 |
|
|
14-May-97 |
170.2 |
197.4 |
|
|
16-Oct.-97 |
159.1 |
190.8 |
|
|
17-Oct.-97 |
247.8 |
236.1 |
959.5 |
1008.5 |
07-Dec.-98 |
221.5 |
219.9 |
|
|
07-Dec.-99 |
214.1 |
211.6 |
|
|
12-May-00 |
254.1 |
251.6 |
979.5 |
1028.5 |
16-May-01 |
220.1 |
232.9 |
|
|
15-Apr.-05 |
191.9 |
201.6 |
|
|
22-Apr.-05 |
|
|
1028.5 |
1053.5 |
18-May-05 |
241.5 |
250.1 |
|
|
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