Lab 3 NaI Detector Rad Detection Lab Write Up
kcrleighashley
nai_lab_4.xlsxHV Plateau
| Voltage | Counts |
| 700 | 10 |
| 750 | 11 |
| 800 | 12 |
| 850 | 18 |
| 900 | 22 |
| 950 | 364 |
| 1000 | 13971 |
| 1050 | 43836 |
| 1100 | 61827 |
| 1150 | 71703 |
| 1200 | 82347 |
| 1250 | 87226 |
| 1300 | 90272 |
| 1350 | 93848 |
| 1400 | 95834 |
NaI HV Plateau
Counts 700.0 750.0 800.0 850.0 900.0 950.0 1000.0 1050.0 1100.0 1150.0 1200.0 1250.0 1300.0 1350.0 1400.0 10.0 11.0 12.0 18.0 22.0 364.0 13971.0 43836.0 61827.0 71703.0 82347.0 87226.0 90272.0 93848.0 95834.0Applied Voltage
Net Counts
Cs and Co
| Counts | 30 second counts | ||
| Cs-137 | 115323 | ||
| Co-60 | 85814 | ||
| Background | 134 | ||
| Co 60 Calibration | |||
| Cs 137 Calibration | |||
| Dead Time Measurement (using Cs source) | |||
| Trial 1 | Trial 2 | Trial 3 | |
| Source 1 | 119333 | 105371 | 105728 |
| Source 12 | 188627 | 186509 | 186552 |
| Source 2 | 88144 | 88241 | 87956 |
| Background | 134 | 107 | 103 |
Diff Pulse Height Spectra
| E | Counts | 30 second counts | |
| 0 | 73693 | 1.3 kV | |
| 0.5 | 10109 | Gain = 30 x 0.8 = 24 | |
| 1 | 8693 | Delta E = 0.5V | |
| 1.5 | 11759 | ||
| 2 | 10296 | ||
| 2.5 | 8296 | ||
| 3 | 7702 | ||
| 3.5 | 7991 | ||
| 4 | 4515 | ||
| 4.5 | 1628 | ||
| 5 | 2470 | ||
| 5.25 | 15609 | ||
| 5.5 | 37715 | ||
| 5.75 | 27261 | ||
| 6 | 5827 | ||
| 6.5 | 466 | ||
| 7 | 272 |
Differential Pulse Height Spectrum
Counts 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.25 5.5 5.75 6.0 6.5 7.0 73693.0 10109.0 8693.0 11759.0 10296.0 8296.0 7702.0 7991.0 4515.0 1628.0 2470.0 15609.0 37715.0 27261.0 5827.0 466.0 272.0Lower Level (E)
Counts
Integral PulseHeight Spectra
| E | Counts |
| 0 | 160153 |
| 0.5 | 120487 |
| 1 | 113074 |
| 1.5 | 104922 |
| 2 | 93398 |
| 2.5 | 83793 |
| 3 | 74929 |
| 3.5 | 66577 |
| 4 | 58097 |
| 4.5 | 53840 |
| 5 | 52411 |
| 5.5 | 48354 |
| 6 | 7296 |
| 6.5 | 1736 |
| 7 | 1211 |
Integral Pulse Height Spectrum
Counts 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 160 153.0 120487.0 113074.0 104922.0 93398.0 83793.0 74929.0 66577.0 58097.0 53840.0 52411.0 48354.0 7296.0 1736.0 1211.0Lower Level (E)
Counts
