Difference between revisions of "MainPage:Nuclear:KaonDetector:PMTCharacteristics:LogBook:pag01"
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| 455 || 02/20/2012 || Mike / Marco || 1.8 kV || PMT Scanning || Reference PMT inserted. Four layers of office paper inserted in front of the LED, inside the hole for light colimating. Flashing the LED in front of the center of the 5" PMT with 10Hz, all night long. LED pulses of 5V x 20ns. Orientation: high voltage cable in the direction of the entrance door. REF in ch#2 and 5"PMT in ch#3. || - | | 455 || 02/20/2012 || Mike / Marco || 1.8 kV || PMT Scanning || Reference PMT inserted. Four layers of office paper inserted in front of the LED, inside the hole for light colimating. Flashing the LED in front of the center of the 5" PMT with 10Hz, all night long. LED pulses of 5V x 20ns. Orientation: high voltage cable in the direction of the entrance door. REF in ch#2 and 5"PMT in ch#3. || - | ||
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| − | | 456 || 02/21/2012 || Mike / Marco || 1.8 kV || PMT Scanning || Scanning the PMT with horizontal and vertical scanning. 25 x 25 position matrix. 500 points in each position. Same configuration of run #455. || | + | | 456 || 02/21/2012 || Mike / Marco || 1.8 kV || PMT Scanning || Scanning the PMT with horizontal and vertical scanning. 25 x 25 position matrix. 500 points in each position. Same configuration of run #455. || [[File:456.jpg|frameless|50px]] |
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| − | | 467 || 02/24/2012 || Marco || 1.8 kV || PMT Scanning || Shielding inserted, making two 25x25 scans. The first one runs the lines and the second one runs the columns. Orientation: high voltage cable close in the direction of the back wall. || | + | | 467 || 02/24/2012 || Marco || 1.8 kV || PMT Scanning || Shielding inserted, making two 25x25 scans. The first one runs the lines and the second one runs the columns. Orientation: high voltage cable close in the direction of the back wall. || [ |
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| 468 || 02/24/2012 || Marco || 1.8 kV || PMT Scanning || Same as #467, but rotating PMT by 180 degrees. Orientation: high voltage cable in the direction of the entrance door. || - | | 468 || 02/24/2012 || Marco || 1.8 kV || PMT Scanning || Same as #467, but rotating PMT by 180 degrees. Orientation: high voltage cable in the direction of the entrance door. || - | ||
Revision as of 14:18, 27 February 2012
| ⇐ Back to the PMT Characteristics page |
LogBook on the CODA data acquisition, at CUA
| Run Number | Date | User | High Voltage | Experiment | Description and observations | Image |
|---|---|---|---|---|---|---|
| 455 | 02/20/2012 | Mike / Marco | 1.8 kV | PMT Scanning | Reference PMT inserted. Four layers of office paper inserted in front of the LED, inside the hole for light colimating. Flashing the LED in front of the center of the 5" PMT with 10Hz, all night long. LED pulses of 5V x 20ns. Orientation: high voltage cable in the direction of the entrance door. REF in ch#2 and 5"PMT in ch#3. | - |
| 456 | 02/21/2012 | Mike / Marco | 1.8 kV | PMT Scanning | Scanning the PMT with horizontal and vertical scanning. 25 x 25 position matrix. 500 points in each position. Same configuration of run #455. | 
|
| 467 | 02/24/2012 | Marco | 1.8 kV | PMT Scanning | Shielding inserted, making two 25x25 scans. The first one runs the lines and the second one runs the columns. Orientation: high voltage cable close in the direction of the back wall. | [ |
| 468 | 02/24/2012 | Marco | 1.8 kV | PMT Scanning | Same as #467, but rotating PMT by 180 degrees. Orientation: high voltage cable in the direction of the entrance door. | - |
| 469 | 02/26/2012 | Mike | 1.8 kV | PMT Scanning | HV cable toward entrance, PMT tilted downward by about 15 degrees | - |
| 470 | 02/26/2012 | Mike | 1.8 kV | PMT Scanning | Same as #469, but with PMT tilted upward by about 15 degrees | - |