PositronDetectorCal 4 40MeV
Frank's Thin NaI Detector
HV = +508 Volts
Spec Amp settings: Gain= 50 , 3 usec shaping time, Gaussian output
| Run # | Source | Run Duration (s) | HV (V) | ADC Channel | Spectrum |
| 6378 | No S0urce | 4 hrs 2 min 21 s | +509 | ADC ch 5 | 
|
| 6380 | 10 uCi Na-22 source # 129743 on detector face | 2 min 10 s (~800 Hz) | +509 | ADC ch 5 | 200 px |
| 6381 | 10 uCi Co-60 source # 129740 on detector face | 1 min 57 s (718 Hz) | +509 | ADC ch 5 | 200 px |
IAC NaI-3 detector
HV = -1000 Volts
Spec Amp settings: Gain= 50 , 3 usec shaping time, Gaussian output
| Run # | Source | Run Duration (s) | HV (V) | ADC Channel | Spectrum |
| 6384 | 10 uCi Co-60 source # 129740 ~9inches from face (700 Hz) | 1 min 56 s | -1000 | ADC ch 3 | 
|
| 6385 | 1 uCi Co-60 source # 129743 1 inches from face | 5 min 13 s | -1000 | ADC ch 3 | 
|
IAC NaI-4 detector
HV = -1000 Volts
Spec Amp settings: Gain= 50 , 3 usec shaping time, Gaussian output
| Run # | Source | Run Duration (s) | HV (V) | ADC Channel | Spectrum |
| 6384 | 10 uCi Co-60 source # 129740 ~9inches from face (700 Hz) | 1 min 56 s | -1000 | ADC ch 3 |
|
| 6385 | 1 uCi Co-60 source # 129743 1 inches from face | 5 min 13 s | -1000 | ADC ch 3 |
|
Apparatus
Singles calibration
Detector 4 is Beam Left and in ADC channel 7, Ortec Dual Spec amp set to course=10, fine=39, Canberra CFD set to 85 mV lower threshold
Detector 1 is Beam Right and in ADC channel 3, Ortec Dual Spec amp set to course=20, fine=10, Canberra CFD set to 70 mV lower threshold
| Run # | Source | Run Duration (s) | HV (V) | ADC Channel Ch3 (Beam Right | ADC ch7 Beam Left |
| 6473 | 0.1 uCi Na-22 source #129741 | min s | -1000 | 200 px | 200 px |
| 6474 | 0.1 uCi Co-60 source # 129737 | 3 min 43 s | -1000 | 200 px | 200 px |
| 6475 | No source # | 5 min 31 s | -1000 | 200 px | 200 px |
Coincidence with Na-22 source
using 9 uCi Na-22 source #
DAQ rate = 32 Hz
