Difference between revisions of "LB April Efficiency Calculations"

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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
+
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 (0.99937 \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
+
:= <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==
  
 
  {| border="3"  cellpadding="5" cellspacing="0"
 
  {| border="3"  cellpadding="5" cellspacing="0"
 
|  Run || Source || Energy (keV) || Position ||  Expected Rate (Hz) ||ROOT Window || HpGe Rate (Hz) || Detector B Efficiency (%)   
 
|  Run || Source || Energy (keV) || Position ||  Expected Rate (Hz) ||ROOT Window || HpGe Rate (Hz) || Detector B Efficiency (%)   
 
|-
 
|-
−
|| Ba133_3.9cm_detB || Ba-133 || 81 || 3.9cm || 8168.083 || [76:86] || 137.12 +/- 0.6266 || 1.68
+
||DetB_Eff_Ba133_14in.mpa || Ba-133 || 80.9979 || 14 in from DetB || 107840.607 ||[79:86] || 236.103+\-1.068 ||0.22  
−
|-
+
|-  
−
||Ba133_3.9cm_detB || Ba-133 || 356 || 3.9cm || 15405.15 || [352:360] || 191.21 +/- 0.074 || 1.24
 
−
|-
 
−
||Ba133_4.1cm_detB || Ba-133 || 81 || 4.1cm || 8168.083 || [76:86] || 137.5 +/- 0.6984 || 1.68
 
−
|-
 
−
||Ba133_4.1cm_detB || Ba-33 || 356 || 4.1cm|| 15405.15 || [352:360] || 190.44 +/- 0.08 || 1.24
 
−
|-
 
−
||Ba133_7.9cm_detB || Ba-133 || 81 || 7.9cm || 62348.8887 || [76:86] || 345.36 +/- 1.32 || 0.55
 
−
|-
 
−
||Ba133_7.9cm_detB || Ba-133 || 356 || 7.9cm || 117591.1412 || [352:360] || 494.24 +/- 0.0954 || 0.42
 
−
|-
 
−
||Ba133_8.1cm_detB || Ba-133 || 81 || 8.1cm || 62348.8887 || [76:86] ||326.17 +/- 1.20 || 0.52
 
−
|-
 
−
||Ba133_8.1cm_detB || Ba-133 || 356 || 8.1cm || 117591.1412 || [352:360] || 482.58 +/- 0.10  || 0.41
 
−
|-
 
−
||Cs137_3.9cm_detB || Cs-137 || 661 || 3.9cm || 26079.7 || [658:666] || 182.33 +/- 0.05 || 0.70
 
−
|-
 
−
||Cs137_4.1cm_detB || Cs-137 || 661 || 4.1cm || 26079.7 || [658:666] || 175.26 +/- 0.04 || 0.67
 
−
|-
 
−
||Cs137_7.9cm_detB || Cs-137 || 661 || 7.9cm || 26079.7 || [658:666] || 64.28 +/- 0.04 || 0.25
 
−
|-
 
−
||Cs137_8.1cm_detB || Cs-137 || 661 || 8.1cm || 26079.7 || [658:666] || 65.14 +/- 0.04 || 0.25
 
−
|-
 
−
||Mn54_3.9cm_detB || Mn-54 || 834 || 3.9cm || 8986.976 || [830:838] || 54.75 +/- 0.02 || 0.61
 
−
|-
 
−
||Mn54_4.1cm_detB || Mn-54 || 834 || 4.1cm || 8986.976 || [830:838] || 52.55 +/- 0.02 || 0.58
 
−
|-
 
−
||Mn54_7.9cm_detB || Mn-54 || 834 || 7.9cm || 8986.976 || [830:838] ||  18.62 +/- 0.02 || 0.21
 
−
|-
 
−
||Mn54_8.1cm_detB || Mn-54 || 834 || 8.1cm || 8986.976 || [830:838] || 17.98 +/- 0.01 || 0.20
 
−
|-
 
−
||Na22_3.9cm_detB || Na-22 || 511 || 3.9cm || 7541.784 || [504:516] || 81.74 +/- 0.09 || 1.08
 
−
|-
 
−
||Na22_3.9cm_detB || Na-22 || 1274 || 3.9cm || 4215.35 || [1270:1280] || 24.18 +/- 0 || 0.57
 
−
|-
 
−
||Na22_4.1cm_detB || Na-22 || 511 || 4.1cm || 7541.784 || [504:516] || 74.71 +/- 0.09 || 0.99
 
−
|-
 
−
||Na22_4.1cm_detB || Na-22 || 1274 || 4.1cm || 4215.35 || [1270:1280] || 22.90 +/- 0 || 0.54
 
−
|-
 
−
||Na22_7.9cm_detB || Na-22 || 511 || 7.9cm || 7541.784 || [504:516] || 25.55 +/- 0.05 || 0.34
 
−
|-
 
−
||Na22_7.9cm_detB || Na-22 || 1274 || 7.9cm || 4215.35 || [1270:1280] || 7.70 +/- 0 || 0.18
 
−
|-
 
−
||Na22_8.1cm_detB || Na-22 || 511 || 8.1cm || 7541.784 || [504:516] || 24.88 +/- 0.06 || 0.33
 
−
|-
 
−
||Na22_8.1cm_detB || Na-22 || 1274 || 8.1cm || 4215.35 || [1270:1280]|| 7.11 +/- 0 || 0.17
 
−
|-
 
 
|}
 
|}

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
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