Difference between revisions of "LB Feb 2017 Energy Efficiency Calculations"
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(Created page with "Below are the theoretical calculations for the theoretical decay frequencies Na-22, 9.427micro Ci on July 1, 2008, half life 2.602 +/- 0.002 years, 99.937% for 1274.52 and 178.8…") |
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Na-22, 9.427micro Ci on July 1, 2008, half life 2.602 +/- 0.002 years, 99.937% for 1274.52 and 178.8 for 511 line , activity in March 31, 2016 =1.196micro Ci | Na-22, 9.427micro Ci on July 1, 2008, half life 2.602 +/- 0.002 years, 99.937% for 1274.52 and 178.8 for 511 line , activity in March 31, 2016 =1.196micro Ci |
Revision as of 03:45, 3 March 2017
Theoretical Activities
Na-22, 9.427micro Ci on July 1, 2008, half life 2.602 +/- 0.002 years, 99.937% for 1274.52 and 178.8 for 511 line , activity in March 31, 2016 =1.196micro Ci
- = for the 1274 line
- = for the 511 line
Cs-137, 661.660 line, 85.21% * 1.066micro Ci on July 1, 2008, half life 30.0 +/- 0.2 yrs, March 31, 2016 activity = 0.891micro Ci expected rate for 661 line
- =
Mn-54, 11.77 microCi on July 1, 2008, half life =312.20 +/- 0.07 days, 99.975% intensity on 834.826 , March 31, 2016 activity =0.02328micro Ci
- = for the 834 line
Co-60, 10.42micro Ci July 1, 2008, half life 5.271 +/- 0.001 years, 99.0 % for 1173.237 and 99.9824 % for 1332.501, March 31, 2016 activity=3.759micro Ci
- = for the 1173 line
- = for the 1332 line
Below is a table where the actual efficiency will be calculated for position R (farthest position).
Run | Source | Energy (keV) | Expected Rate (Hz) | HpGe Rate (Hz) | HpGe Det D Efficiency (%) |
Eff_003 | Na-22 | 511 | 79122.6 | (506:516) (4.309-0.065=4.244) | 0.005 |
Eff_005 | Cs-137 | 661.657 | 28091.2 | (657:666)(1.105-0.02281=1.0821) | 0.004 |
Eff_006 | Mn-54 | 834.848 | 861.1 | (830:839)(0.04037-0.009123=0.031247) | 0.004 |
Eff_007 | Co-60 | 1173.228 | 137692 | (1164:1182)(3.686-0.01939=3.67) | 0.003 |
Eff_003 | Na-22 | 1274.537 | 44224 | (1270:1279) (1.073-0.0057=1.0673) | 0.002 |
Eff_007 | Co-60 | 1332.492 | 139058.52 | (1328:1337)(3.283-0.05702=3.22598) | 0.002 |