LB May 2017 Det A 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, 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 356.0129 keV line

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 5.75 uCi on September 6, 2017

[math]\left (0.329 \right )\left ( 5.75 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 69994.75 Hz [/math] for the 80.9979 keV line

[math]\left (0.1834 \right )\left ( 5.75 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 39018.35 Hz [/math] for the 302.8508 keV line

[math]\left (0.6205 \right )\left ( 5.75 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 132011.375 Hz [/math] for the 356.0129 keV line

Co-60, 10.42 uCi on July 1, 2008, half life 1925.5253 days, 99.9826% for 1332.492 keV line. The sample serial # 129790 had an activity of 2.72 uCi on September 14, 2017

[math]\left (0.999826 \right )\left ( 2.72 \times 10^{-6} \mbox{Ci} \right) \left (\frac{ (3.7 \times 10^{10} \mbox{Hz}}{\mbox{Ci}} \right)= 100622.49 Hz [/math] for the 1332 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.

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_Pos10_9_6_17.root	Ba-133	80.9979	92	10cm From Detector A	69994.75	[88,98]	605.39 +/- 4.53	0.86
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
Co60_Pos70_9_14_17.root	Co-60	1332.492	1319.9	70cm from Detector A	100622.49	[1300,1340]	8.95 +\- 0.18	0.0089
Co60_Pos50_9_14_17.root	Co-60	1332.492	1319.9	50cm from Detector A	100622.49	[1300,1340]	17.18 +\- 0.20	0.0170
Co60_Pos30_9_14_17.root	Co-60	1332.492	1319.9	30cm from Detector A	100622.49	[1300,1340]	42.45 +\- 0.47	0.0422
Co60_Pos20_9_14_17.root	Co-60	1332.492	1319.9	20cm from Detector A	100622.49	[1300,1340]	85.20 +\- 0.71	0.0847