View source for LB May 2017 Det B Efficiency

DetB Calibration is A = -2.8392 +/- 0.592828 , B = 0.815444 +/- 0.000630482

Det A Intercept = -12.208800 slope =1.021270 

Detector A is ADCid 0

Detector B is ADCid 1

=Theoretical Activities=



Ba-133, 9.821 uCi on April 7, 2015, 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 # 1235-74-3 had an activity of 8.53 uCi on May 27, 2017



: <math>\left (0.329 \right )\left ( 8.87 \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 356.0129 keV line

=Actual Efficiency=
There is a small issue with the calibration when plotting the results in ROOT. The binning along with the calibration create a picket fencing effect that incorrectly displays the results. The effect is shown below.


{| border="3"  cellpadding="5" cellspacing="0"
|  Run || Source || Energy (keV) || Channel #||Position ||  Expected Rate (Hz) ||ROOT Window (by channel #) || HpGe Rate (Hz) || HpGe Detector A Efficiency (%)   
|-
||Ba133_DetA_Farthest_DetB_posN_Efficiency.root || Ba-133 || 80.9979 || 92||  Farthest Back Position on Detector A || 71455.51 || [88,98] || 25.78 +/- 0.078 || 0.0036 
|-
||Ba133_DetA_Pos90_DetB_23_6cm_Efficiency.root || Ba-133 || 80.9979 || 92 || 90cm From Detector A || 71455,51 || [88,98] || 58.37 +\- 0.15 || 0.08   
|-
||Ba133_DetA_Pos70_DetB_PosD_Efficiency.root || Ba-133 || 80.9979 || 92 || 70cm From Detector A || 71455.51 || [88,98] || 50.07 +/- 0.19 || 0.07
|-
||Ba133_DetA_Pos50_DetB_PosC_Efficiency.root || Ba-133 || 80.9979 || 92 || 50cm From Detector A || 71455.51 || [88,98] || 142.85 +/- 0.28 || 0.20 
|-
||Ba133_DetA_Pos44cm_DetB_PosA_Efficiency.root || Ba-133 || 80.9979 ||92|| 44cm From Detector A || 71455.51 || [88,98]] || 206.97 +/- 0.38 || 0.29
|-
||Ba133_DetA_Pos30_Efficiency.root || Ba-133 || 80.9979 || 92 || 30cm From Detector A || 71455.51 || [88,98] || 235.49 +/- 0.79 || 0.33 
|-
||Ba133_DetA_Pos20_Efficiency.root || Ba-133 || 80.9979 || 92 || 20cm From Detector A || 71455.51 || [88,98] || 478.73 +/- 0.8439 || 0.70
|-
||Ba133_DetA_Farthest_DetB_posN_Efficiency.root || Ba-133 || 302.85 || 310 || Farthest Position On Detector A || 39745.77 || [305,315] || 11.49 +/- 0.0110|| 0.0289 
|-
||Ba133_DetA_Pos90_DetB_23_6cm_Efficiency.root || Ba-133 || 302.85 || 310 || 90cm From Detector A || 39745.77 || [305,315] || 12.645 +/- 0.0227 || 0.0318
|-
||Ba133_DetA_Pos70_DetB_PosD_Efficiency.root || Ba-133 || 302.85 || 310 || 70cm From Detector A || 39745.77 || [305,315] || 20.35 +/- 0.0223 || 0.0512
|-
||Ba133_DetA_Pos50_DetB_PosC_Efficiency.root || Ba-133 || 302.85 ||310 || 50cm From Detector A || 39745.77 || [305,315]] || 40.06 +/- 0.0260 || 0.1008
|-
||Ba133_DetA_Pos44cm_DetB_PosA_Efficiency.root || Ba-133 || 302.85 || 310 || 44cm From Detector A || 39745.77 || [305,315] || 49.86 +/- 0.0287 || 0.1254
|-
||Ba133_DetA_Pos30_Efficiency.root || Ba-133 || 302.85 || 310 || 30cm From Detector A || 39745.77 || [305,315] || 99.76 +/- 0.0393 || 0.2510
|-
||Ba133_DetA_Pos20_Efficiency.root || Ba-133 || 302.85 || 310 || 20cm From Detector A || 39745.77 || [305,315] || 196.45 +/- 0.0529 || 0.4943
|-
||Ba133_DetA_Farthest_DetB_posN_Efficiency.root || Ba-133 ||356.0129  || 361.6 || Farthest Position Det A || 134874.99 || [350,375] || 34.9876 +/- 0.0140 || 0.0259
|-
||Ba133_DetA_Pos90_DetB_23_6cm_Efficiency.root || Ba-133 || 356.0129 || 361.6 || 90cm From Detector A || 134874.99 || [350,375] || 38.60 +/- 0.0259 || 0.0286
|-
||Ba133_DetA_Pos70_DetB_PosD_Efficiency.root || Ba-133 || 356.0129 || 361.6 || 70cm From Detector A || 134874.99 || [350,375] || 62.32 +/- 0.0263 || 0.0462
|-
||Ba133_DetA_Pos50_DetB_PosC_Efficiency.root || Ba-133 || 356.0129 || 361.6 || 50cm From Detector A || 134874.99 ||[350,375] || 118.74 +/- 0.0289 || 0.0880
|-
||Ba133_DetA_Pos44cm_DetB_PosA_Efficiency.root || Ba-133 || 356.0129 || 361.6 || 44cm From Detector A || 134874.99 || [350,375] || 148.53 +/- 0.0356 || 0.1101
|-
||Ba133_DetA_Pos30_Efficiency.root || Ba-133 ||356.0129 || 361.6 || 30cm From Detector A || 134874.99 || [350,375] ||292.32 +/- 0.0537 || 0.2167 
|-
||Ba133_DetA_Pos20_Efficiency.root || Ba-133 || 356.0129 || 361.6 || 20cm From Detector A || 134874.99 || [350,375] || 582.39 +/- 0.0563 || 0.4318
|-
|}