NaI JD-766 Plateau

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Timing filter Amp Configuration

Course gain: x6

Fine gain: at minimum

Integrate (nS): 500nS

Diff (nS): Out

Invert/Noninverted: Non-Inv

Dual Timer Configuration

Plateau Data

700V

Source Out

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +700V 05 No 958 60 15.97
2 Unshielded detector at +700V 15 No 278 60 4.63
3 Unshielded detector at +700V 35 No 107 60 1.78
4 Unshielded detector at +700V 55 No 85 60 1.42
5 Unshielded detector at +700V 75 No 80 60 1.33
6 Unshielded detector at +700V 95 No 80 60 1.33
7 Unshielded detector at +700V 115 No 75 60 1.25
8 Unshielded detector at +700V 135 No 78 60 1.3
9 Unshielded detector at +700V 155 No 82 60 1.37
10 Unshielded detector at +700V 175 No 77 60 1.28
11 Unshielded detector at +700V 195 No 66 60 1.1
12 Unshielded detector at +700V 215 No 68 60 1.13
13 Unshielded detector at +700V 235 No 53 60 0.88
14 Unshielded detector at +700V 255 No 59 60 0.98

Source In

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +700V 05 Yes 1033 60
2 Unshielded detector at +700V 15 Yes 291 60
3 Unshielded detector at +700V 35 Yes 102 60
4 Unshielded detector at +700V 55 Yes 87 60
5 Unshielded detector at +700V 75 Yes 88 60
6 Unshielded detector at +700V 95 Yes 103 60
7 Unshielded detector at +700V 115 Yes 101 60
8 Unshielded detector at +700V 135 Yes 84 60
9 Unshielded detector at +700V 155 Yes 72 60
10 Unshielded detector at +700V 175 Yes 57 60
11 Unshielded detector at +700V 195 Yes 72 60
12 Unshielded detector at +700V 215 Yes 68 60
13 Unshielded detector at +700V 235 Yes 74 60
14 Unshielded detector at +700V 255 Yes 52 60

Plateau Plot

Plateau measurements at 700V, source in and source out overlaid.











750V

Source Out

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +750V 05 No 2211 60 36.85
2 Unshielded detector at +750V 15 No 1125 60 18.75
3 Unshielded detector at +750V 35 No 293 60 4.88
4 Unshielded detector at +750V 55 No 105 60 1.75
5 Unshielded detector at +750V 75 No 80 60 1.33
6 Unshielded detector at +750V 95 No 97 60 1.62
7 Unshielded detector at +750V 115 No 99 60 1.65
8 Unshielded detector at +750V 135 No 89 60 1.48
9 Unshielded detector at +750V 155 No 74 60 1.23
10 Unshielded detector at +750V 175 No 80 60 1.33
11 Unshielded detector at +750V 195 No 80 60 1.33
12 Unshielded detector at +750V 215 No 64 60 1.07
13 Unshielded detector at +750V 235 No 89 60 1.48
14 Unshielded detector at +750V 255 No 69 60 1.15


Source In

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +750V 05 Yes 4055 60
2 Unshielded detector at +750V 15 Yes 1160 60
3 Unshielded detector at +750V 35 Yes 301 60
4 Unshielded detector at +750V 55 Yes 102 60
5 Unshielded detector at +750V 75 Yes 82 60
6 Unshielded detector at +750V 95 Yes 114 60
7 Unshielded detector at +750V 115 Yes 85 60
8 Unshielded detector at +750V 135 Yes 93 60
9 Unshielded detector at +750V 155 Yes 87 60
10 Unshielded detector at +750V 175 Yes 87 60
11 Unshielded detector at +750V 195 Yes 79 60
12 Unshielded detector at +750V 215 Yes 90 60
13 Unshielded detector at +750V 235 Yes 84 60
14 Unshielded detector at +750V 255 Yes 73 60

Plateau Plot

Plateau measurements at 700V, source in and source out overlaid.











800V

Source Out

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +800V 05 No 3866 60 64.43
2 Unshielded detector at +800V 15 No 2356 60 39.27
3 Unshielded detector at +800V 35 No 1091 60 18.18
4 Unshielded detector at +800V 55 No 384 60 6.4
5 Unshielded detector at +800V 75 No 244 60 4.07
6 Unshielded detector at +800V 95 No 167 60 2.78
7 Unshielded detector at +800V 115 No 100 60 1.67
8 Unshielded detector at +800V 135 No 88 60 1.47
9 Unshielded detector at +800V 155 No 89 60 1.48
10 Unshielded detector at +800V 175 No 86 60 1.43
11 Unshielded detector at +800V 195 No 90 60 1.5
12 Unshielded detector at +800V 215 No 81 60 1.35
13 Unshielded detector at +800V 235 No 95 60 1.58
14 Unshielded detector at +800V 255 No 89 60 1.48



Source In

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +800V 05 Yes 10055 60
2 Unshielded detector at +800V 15 Yes 5438 60
3 Unshielded detector at +800V 35 Yes 1078 60
4 Unshielded detector at +800V 55 Yes 375 60
5 Unshielded detector at +800V 75 Yes 217 60
6 Unshielded detector at +800V 95 Yes 126 60
7 Unshielded detector at +800V 115 Yes 100 60
8 Unshielded detector at +800V 135 Yes 93 60
9 Unshielded detector at +800V 155 Yes 99 60
10 Unshielded detector at +800V 175 Yes 96 60
11 Unshielded detector at +800V 195 Yes 102 60
12 Unshielded detector at +800V 215 Yes 99 60
13 Unshielded detector at +800V 235 Yes 62 60
14 Unshielded detector at +800V 255 Yes 85 60

Plateau Plot

Plateau measurements at 700V, source in and source out overlaid.











850V

Source Out

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +850V 05 No 6402 60 106.7
2 Unshielded detector at +850V 15 No 3867 60 64.45
3 Unshielded detector at +850V 35 No 2058 60 34.3
4 Unshielded detector at +850V 55 No 1233 60 20.55
5 Unshielded detector at +850V 75 No 787 60 13.12
6 Unshielded detector at +850V 95 No 391 60 6.52
7 Unshielded detector at +850V 115 No 256 60 4.27
8 Unshielded detector at +850V 135 No 193 60 3.22
9 Unshielded detector at +850V 155 No 151 60 2.52
10 Unshielded detector at +850V 175 No 97 60 1.62
11 Unshielded detector at +850V 195 No 105 60 1.75
12 Unshielded detector at +850V 215 No 97 60 1.62
13 Unshielded detector at +850V 235 No 87 60 1.45
14 Unshielded detector at +850V 255 No 101 60 1.68


Source In

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +850V 05 Yes 15370 60
2 Unshielded detector at +850V 15 Yes 10298 60
3 Unshielded detector at +850V 35 Yes 2963 60
4 Unshielded detector at +850V 55 Yes 1366 60
5 Unshielded detector at +850V 75 Yes 842 60
6 Unshielded detector at +850V 95 Yes 402 60
7 Unshielded detector at +850V 115 Yes 281 60
8 Unshielded detector at +850V 135 Yes 196 60
9 Unshielded detector at +850V 155 Yes 143 60
10 Unshielded detector at +850V 175 Yes 98 60
11 Unshielded detector at +850V 195 Yes 88 60
12 Unshielded detector at +850V 215 Yes 101 60
13 Unshielded detector at +850V 235 Yes 104 60
14 Unshielded detector at +850V 255 Yes 101 60


Plateau Plot

Plateau measurements at 700V, source in and source out overlaid.












1100V

Source Out

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +1100V 05 No 60
2 Unshielded detector at +1100V 10 No 60
3 Unshielded detector at +1100V 15 No 60
4 Unshielded detector at +1100V 20 No 60
5 Unshielded detector at +1100V 25 No 60
6 Unshielded detector at +1100V 30 No 60
7 Unshielded detector at +1100V 35 No 60
8 Unshielded detector at +1100V 45 No 60
9 Unshielded detector at +1100V 55 No 60
10 Unshielded detector at +1100V 75 No 60
11 Unshielded detector at +1100V 95 No 60
12 Unshielded detector at +1100V 115 No 60
13 Unshielded detector at +1100V 135 No 60
14 Unshielded detector at +1100V 155 No 60
15 Unshielded detector at +1100V 175 No 60
16 Unshielded detector at +1100V 195 No 60
17 Unshielded detector at +1100V 215 No 60
18 Unshielded detector at +1100V 235 No 60
19 Unshielded detector at +1100V 255 No 60

Source In

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +1100V 05 Yes 36350 60
2 Unshielded detector at +1100V 10 Yes 32632 60
3 Unshielded detector at +1100V 15 Yes 30656 60
4 Unshielded detector at +1100V 20 Yes 29153 60
5 Unshielded detector at +1100V 25 Yes 60
6 Unshielded detector at +1100V 30 Yes 60
7 Unshielded detector at +1100V 35 Yes 60
8 Unshielded detector at +1100V 45 Yes 60
9 Unshielded detector at +1100V 55 Yes 60
10 Unshielded detector at +1100V 75 Yes 60
11 Unshielded detector at +1100V 95 Yes 60
12 Unshielded detector at +1100V 115 Yes 60
13 Unshielded detector at +1100V 135 Yes 60
14 Unshielded detector at +1100V 155 Yes 60
15 Unshielded detector at +1100V 175 Yes 60
16 Unshielded detector at +1100V 195 Yes 60
17 Unshielded detector at +1100V 215 Yes 60
18 Unshielded detector at +1100V 235 Yes 60
19 Unshielded detector at +1100V 255 Yes 60

Plateau Plot

Plateau measurements at 1200V, source in and source out overlaid.


















1200V

Source Out

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +1200V 05 No 24052 60
2 Unshielded detector at +1200V 15 No 20684 60
3 Unshielded detector at +1200V 35 No 18324 60
4 Unshielded detector at +1200V 55 No 17266 60
5 Unshielded detector at +1200V 75 No 15643 60
6 Unshielded detector at +1200V 95 No 14223 60
7 Unshielded detector at +1200V 115 No 12792 60
8 Unshielded detector at +1200V 135 No 11691 60
9 Unshielded detector at +1200V 155 No 10414 60
10 Unshielded detector at +1200V 175 No 9245 60
11 Unshielded detector at +1200V 195 No 8574 60
12 Unshielded detector at +1200V 215 No 7665 60
13 Unshielded detector at +1200V 235 No 7008 60
14 Unshielded detector at +1200V 255 No 6386 60

Source In

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +1200V 05 Yes 39450 60
2 Unshielded detector at +1200V 15 Yes 34061 60
3 Unshielded detector at +1200V 35 Yes 29029 60
4 Unshielded detector at +1200V 55 Yes 27672 60
5 Unshielded detector at +1200V 75 Yes 25935 60
6 Unshielded detector at +1200V 95 Yes 24104 60
7 Unshielded detector at +1200V 115 Yes 22223 60
8 Unshielded detector at +1200V 135 Yes 20670 60
9 Unshielded detector at +1200V 155 Yes 19168 60
10 Unshielded detector at +1200V 175 Yes 17920 60
11 Unshielded detector at +1200V 195 Yes 16383 60
12 Unshielded detector at +1200V 215 Yes 15066 60
13 Unshielded detector at +1200V 235 Yes 14130 60
14 Unshielded detector at +1200V 255 Yes 13382 60

Plateau Plot

Plateau measurements at 1200V, source in and source out overlaid.















1300V

Source Out

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +1300V 05 No 24651 60
2 Unshielded detector at +1300V 10 No 22487 60
3 Unshielded detector at +1300V 15 No 21029 60
4 Unshielded detector at +1300V 20 No 20535 60
5 Unshielded detector at +1300V 25 No 19313 60
6 Unshielded detector at +1300V 30 No 18947 60
7 Unshielded detector at +1300V 35 No 18654 60
8 Unshielded detector at +1300V 45 No 18405 60
9 Unshielded detector at +1300V 55 No 18078 60
10 Unshielded detector at +1300V 65 No 17830 60
11 Unshielded detector at +1300V 75 No 17463 60
12 Unshielded detector at +1300V 80 No 17303 60
13 Unshielded detector at +1300V 85 No 17542 60
14 Unshielded detector at +1300V 90 No 17342 60
15 Unshielded detector at +1300V 95 No 17276 60
16 Unshielded detector at +1300V 100 No 17350 60
17 Unshielded detector at +1300V 105 No 16885 60
18 Unshielded detector at +1300V 110 No 16842 60
19 Unshielded detector at +1300V 115 No 16801 60
20 Unshielded detector at +1300V 120 No 16599 60
21 Unshielded detector at +1300V 125 No 16283 60
22 Unshielded detector at +1300V 130 No 16292 60
23 Unshielded detector at +1300V 135 No 16165 60
24 Unshielded detector at +1300V 155 No 15329 60
25 Unshielded detector at +1300V 175 No 14452 60
26 Unshielded detector at +1300V 195 No 14130 60
27 Unshielded detector at +1300V 215 No 12954 60
28 Unshielded detector at +1300V 235 No 12155 60
29 Unshielded detector at +1300V 255 No 11392 60

Source In

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +1300V 05 Yes 36726 60
2 Unshielded detector at +1300V 10 Yes 33627 60
3 Unshielded detector at +1300V 15 Yes 31514 60
4 Unshielded detector at +1300V 20 Yes 30182 60
5 Unshielded detector at +1300V 25 Yes 29448 60
6 Unshielded detector at +1300V 30 Yes 28211 60
7 Unshielded detector at +1300V 35 Yes 27912 60
8 Unshielded detector at +1300V 45 Yes 26890 60
9 Unshielded detector at +1300V 55 Yes 26347 60
10 Unshielded detector at +1300V 65 Yes 26055 60
11 Unshielded detector at +1300V 75 Yes 25154 60
12 Unshielded detector at +1300V 80 Yes 25277 60
13 Unshielded detector at +1300V 85 Yes 25219 60
14 Unshielded detector at +1300V 90 Yes 25103 60
15 Unshielded detector at +1300V 95 Yes 25104 60
16 Unshielded detector at +1300V 100 Yes 25059 60
17 Unshielded detector at +1300V 105 Yes 24800 60
18 Unshielded detector at +1300V 110 Yes 24749 60
19 Unshielded detector at +1300V 115 Yes 24944 60
20 Unshielded detector at +1300V 120 Yes 24233 60
21 Unshielded detector at +1300V 125 Yes 24260 60
22 Unshielded detector at +1300V 130 Yes 23815 60
23 Unshielded detector at +1300V 135 Yes 23766 60
24 Unshielded detector at +1300V 155 Yes 23158 60
25 Unshielded detector at +1300V 175 Yes 22176 60
26 Unshielded detector at +1300V 195 Yes 21476 60
27 Unshielded detector at +1300V 215 Yes 20375 60
28 Unshielded detector at +1300V 235 Yes 19628 60
29 Unshielded detector at +1300V 255 Yes 18512 60

Plateau Plot

Plateau measurements at 1300V, source in and source out overlaid.
Plateau measurements at 1300V, source in minus source out.











1400V

Source Out

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +1400V 05 No 60
2 Unshielded detector at +1400V 10 No 60
3 Unshielded detector at +1400V 15 No 60
4 Unshielded detector at +1400V 20 No 60
5 Unshielded detector at +1400V 25 No 60
6 Unshielded detector at +1400V 30 No 60
7 Unshielded detector at +1400V 35 No 60
8 Unshielded detector at +1400V 45 No 60
9 Unshielded detector at +1400V 55 No 60
10 Unshielded detector at +1400V 65 No 60
11 Unshielded detector at +1400V 75 No 60
12 Unshielded detector at +1400V 80 No 60
13 Unshielded detector at +1400V 85 No 60
14 Unshielded detector at +1400V 90 No 60
15 Unshielded detector at +1400V 95 No 60
16 Unshielded detector at +1400V 100 No 60
17 Unshielded detector at +1400V 105 No 60
18 Unshielded detector at +1400V 110 No 60
19 Unshielded detector at +1400V 115 No 60
20 Unshielded detector at +1400V 120 No 60
21 Unshielded detector at +1400V 125 No 60
22 Unshielded detector at +1400V 130 No 60
23 Unshielded detector at +1400V 135 No 60
24 Unshielded detector at +1400V 155 No 60
25 Unshielded detector at +1400V 175 No 60
26 Unshielded detector at +1400V 195 No 60
27 Unshielded detector at +1400V 215 No 60
28 Unshielded detector at +1400V 235 No 60
29 Unshielded detector at +1400V 255 No 60

Source In

Run Number Configuration Discriminator Threshold (mV) Cs-137 Button Source Counts Run Time (Sec) Count Rate (Hz)
1 Unshielded detector at +1400V 05 Yes 36948 60
2 Unshielded detector at +1400V 10 Yes 33637 60
3 Unshielded detector at +1400V 15 Yes 31769 60
4 Unshielded detector at +1400V 20 Yes 30477 60
5 Unshielded detector at +1400V 25 Yes 28817 60
6 Unshielded detector at +1400V 30 Yes 28523 60
7 Unshielded detector at +1400V 35 Yes 27931 60
8 Unshielded detector at +1400V 45 Yes 26824 60
9 Unshielded detector at +1400V 55 Yes 26639 60
10 Unshielded detector at +1400V 65 Yes 25810 60
11 Unshielded detector at +1400V 75 Yes 26154 60
12 Unshielded detector at +1400V 80 Yes 26157 60
13 Unshielded detector at +1400V 85 Yes 25888 60
14 Unshielded detector at +1400V 90 Yes 25679 60
15 Unshielded detector at +1400V 95 Yes 25026 60
16 Unshielded detector at +1400V 100 Yes 25533 60
17 Unshielded detector at +1400V 105 Yes 25389 60
18 Unshielded detector at +1400V 110 Yes 25223 60
19 Unshielded detector at +1400V 115 Yes 24894 60
20 Unshielded detector at +1400V 120 Yes 25054 60
21 Unshielded detector at +1400V 125 Yes 25116 60
22 Unshielded detector at +1400V 130 Yes 25117 60
23 Unshielded detector at +1400V 135 Yes 24980 60
24 Unshielded detector at +1400V 155 Yes 24495 60
25 Unshielded detector at +1400V 175 Yes 24411 60
26 Unshielded detector at +1400V 195 Yes 24345 60
27 Unshielded detector at +1400V 215 Yes 23909 60
28 Unshielded detector at +1400V 235 Yes 23306 60
29 Unshielded detector at +1400V 255 Yes 23191 60

Plateau Plot

Plateau measurements at 1300V, source in and source out overlaid.
Plateau measurements at 1300V, source in minus source out.













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NaI_JD-766