Difference between revisions of "LB April Efficiency Calculations"

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(Created page with "Na-22, 10.19 uCi on July 15, 2013, half life 2.602 +/- 0.002 years, 99.937% for 1274.52 and 178.8 for 511 line , activity in Feb 4, 2017 =3.945 uCi := <math>\left (0.99937 \right…")
 
 
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Na-22, 10.19 uCi on July 15, 2013, half life 2.602 +/- 0.002 years, 99.937% for 1274.52 and 178.8 for 511 line , activity in Feb 4, 2017 =3.945 uCi
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The source information can be found on the page below.
:= <math>\left (0.99937 \right )\left ( 3.945 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 145873.0421 Hz </math> for the 1274 line
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[[LB March 2017 Runlist]]
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==Theoretical Activities==
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Ba-133, 9.821 uCi on April 7, 2015, half life 10.51 years, 32.9% for 80.9979 keV line,activity in April 18, 2017 =8.589 uCi
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:= <math>\left (0.329 \right )\left ( 8.589 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 107840.607 Hz </math> for the 80.9979 line
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==Actual Activity==
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{| border="3"  cellpadding="5" cellspacing="0"
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|  Run || Source || Energy (keV) || Position ||  Expected Rate (Hz) ||ROOT Window || HpGe Rate (Hz) || Detector B Efficiency (%) 
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|-
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||DetB_Eff_Ba133_14in.mpa  || Ba-133 || 80.9979 || 14 in from DetB || 107840.607 ||[79:86] || 236.103+\-1.068 ||0.22
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|-
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|}

Latest revision as of 18:08, 26 April 2017

The source information can be found on the page below.

LB March 2017 Runlist

Theoretical Activities

Ba-133, 9.821 uCi on April 7, 2015, half life 10.51 years, 32.9% for 80.9979 keV line,activity in April 18, 2017 =8.589 uCi

= [math]\left (0.329 \right )\left ( 8.589 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 107840.607 Hz [/math] for the 80.9979 line

Actual Activity

Run Source Energy (keV) Position Expected Rate (Hz) ROOT Window HpGe Rate (Hz) Detector B Efficiency (%)
DetB_Eff_Ba133_14in.mpa Ba-133 80.9979 14 in from DetB 107840.607 [79:86] 236.103+\-1.068 0.22