Difference between revisions of "LB May 2017 Det A Efficiency"

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|  Run || Source || Energy (keV) || Position ||  Expected Rate (Hz) ||ROOT Window || HpGe Rate (Hz) || HpGe Detector A Efficiency (%)   
 
|  Run || Source || Energy (keV) || Position ||  Expected Rate (Hz) ||ROOT Window || HpGe Rate (Hz) || HpGe Detector A Efficiency (%)   
 
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||Ba133_DetA_Farthest_DetB_posN_Efficiency.root || Ba-133 || Farthest Back Position ||  
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||Ba133_DetA_Farthest_DetB_posN_Efficiency.root || Ba-133 || Farthest Back Position || 71455.51 ||
 
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Revision as of 22:27, 22 August 2017

Theoretical Activities

Ba-133, 10.54 uCi on July 1, 2008, half life 10.51 years, 32.9% for 80.9979 keV line, 18.34% for 302.8508 keV line, 62.05% for the 356.0129 keV line. The sample serial # 129791 had an activity of 5.87 uCi on May 27, 2017


= [math]\left (0.329 \right )\left ( 5.87 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 71455.51 Hz [/math] for the 80.9979 keV line
= [math]\left (0.1834 \right )\left ( 5.87 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 39745.77 Hz [/math] for the 302.8508 keV line


= [math]\left (0.6205 \right )\left ( 5.87 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 134874.99 Hz [/math] for the 302.8508 keV line

Actual Efficiency

Run Source Energy (keV) Position Expected Rate (Hz) ROOT Window HpGe Rate (Hz) HpGe Detector A Efficiency (%)
Ba133_DetA_Farthest_DetB_posN_Efficiency.root Ba-133 Farthest Back Position 71455.51