project:scintillation_counter:experiments
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| project:scintillation_counter:experiments [2014/05/21 11:28] – created pinky | project:scintillation_counter:experiments [2014/07/10 20:42] (current) – add sensitivity measurement results pinky | ||
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| + | ====== Scintillation counter - Experiments ====== | ||
| + | |||
| + | * TODO: other experiments | ||
| + | |||
| + | ===== Measure sensitivity dependence on voltage ===== | ||
| + | |||
| + | * date: 19.5.2014 18: | ||
| + | * sample: smolinec malý (v krabičce) | ||
| + | * meas. equipment: scintillation counter Foxtrot | ||
| + | * sound card: | ||
| + | * sample rate: 48000 Hz | ||
| + | * resolution: | ||
| + | * threshold: -2 | ||
| + | * measurement time: 60 s | ||
| + | * operator: Ray|mladej | ||
| + | |||
| + | |||
| + | ^ U [V] ^ 1600 ^ 1500 ^ 1400 ^ 1300 ^ 1200 ^ | ||
| + | ^ d [cm] ^ cnt/min ^ cnt/min ^ cnt/min ^ cnt/min ^ cnt/min ^ | ||
| + | | (inf) background | 26479 | 18310 | 12753 | 8648 | 5384 | | ||
| + | | 50 | 27158 | 18992 | 13682 | 9125 | 5541 | | ||
| + | | 45 | 27400 | 19106 | 13634 | 9052 | 5432 | | ||
| + | | 40 | 27663 | 19270 | 13698 | 9592 | 5394 | | ||
| + | | 35 | 28372 | 19890 | 14135 | 9669 | 5745 | | ||
| + | | 30 | 28888 | 20183 | 14699 | 9826 | 5924 | | ||
| + | | 25 | 29657 | 21204 | 15289 | 10311 | 6279 | | ||
| + | | 20 | 31205 | 22366 | 16175 | 10980 | 6745 | | ||
| + | | 15 | 33854 | 24692 | 18481 | 12583 | 7432 | | ||
| + | | 10 | 39161 | 29096 | 22745 | 15772 | 9170 | | ||
| + | | 5 | 50611 | 40731 | 31425 | 22779 | 13055 | | ||
| + | | 1 | 79374 | 62149 | 50112 | 36137 | 22406 | | ||