170049 1% Se Soil Mixture Analysis

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Below is the information for the target

Front Outer Nickel Foil: 3.4274g

Outer Se: 0.0914g

Soil: 10.240g

Inner Front Foil: 1.8672g

Inner Rear Foil: 1.7220g

Inner Se: 0.0954g

Rear Outer Foil: 3.4887g

Below is a table with the data that is to be analyzed for the mixture:

0<t<300 750<t<1050 1508<t<1808 2260<t<2560 3030<t<3330 3820<t<4120 4580<t<4880 5325<t<5625 6085<t<6385 6835<t<7135 7585<t<7930
Thin Window Histogram LB 170049 0 t 300Sec MixSpectrum ThinWindow.png LB 170049 750 t 1050Sec MixSpectrum ThinWindow.png LB 170049 1508 t 1808Sec MixSpectrum ThinWindow.png LB 170049 2260 t 2560Sec MixSpectrum ThinWindow.png LB 170049 3030 t 3330Sec MixSpectrum ThinWindow.png LB 170049 3820 t 4120Sec MixSpectrum ThinWindow.png LB 170049 4580 t 4880Sec MixSpectrum ThinWindow.png LB 170049 5325 t 5625Sec MixSpectrum ThinWindow.png LB 170049 6085 t 6385Sec MixSpectrum ThinWindow.png LB 170049 6835 t 7135Sec MixSpectrum ThinWindow.png LB 170049 7585 t 7930Sec MixSpectrum ThinWindow.png
Expanded Window Histogram LB 170049 0 t 300Sec MixSpectrum ExpWindow.png LB 170049 750 t 1050Sec MixSpectrum ExpWindow.png LB 170049 1508 t 1808Sec MixSpectrum ExpWindow.png LB 170049 2260 t 2560Sec MixSpectrum ExpWindow.png LB 170049 3030 t 3330Sec MixSpectrum ExpWindow.png LB 170049 3820 t 4120Sec MixSpectrum ExpWindow.png LB 170049 4580 t 4880Sec MixSpectrum ExpWindow.png LB 170049 5325 t 5625Sec MixSpectrum ExpWindow.png LB 170049 6085 t 6385Sec MixSpectrum ExpWindow.png LB 170049 6835 t 7135Sec MixSpectrum ExpWindow.png LB 170049 7585 t 7930Sec MixSpectrum ExpWindow.png
Signal in Thin Window [math] 6.662 \times 10^4 [/math] [math] 5.074 \times 10^4 [/math] [math] 3.909 \times 10^4[/math] [math]3.220 \times 10^4 [/math] [math] 2.718 \times 10^4[/math] [math]2.18 \times 10^4 [/math] [math] 1.855 \times 10^4[/math] [math]1.578 \times 10^4 [/math] [math] 1.228 \times 10^4[/math] [math] 1.16 \times 10^4[/math] [math] 1.241 \times 10^4[/math]
Signal in Expanded Window [math] 1.132 \times 10^5 [/math] [math] 8.025 \times 10^4[/math] [math]5.866 \times 10^4 [/math] [math] 4.532 \times 10^4[/math] [math]3.735 \times 10^4[/math] [math] 2.868 \times 10^4[/math] [math]2.424 \times 10^4[/math] [math] 2.102 \times 10^4[/math] [math] 1.592 \times 10^4[/math] [math] 1.488 \times 10^4[/math] [math]1.662 \times 10^4 [/math]
[math] S_{Expanded} - S_{Thin} [/math] [math] 4.6580 \times 10^4 [/math] [math] 2.9510 \times 10^4 [/math] [math] || \lt math\gt 1.9570 \times 10^4 [/math] [math] 1.3120 \times 10^4 [/math] [math] 1.0170 \times 10^4 [/math] [math] 6.880 \times 10^3 [/math] [math] 5.690 \times 10^3 [/math] [math] 5.240 \times 10^3 [/math] [math] 3.640 \times 10^3 [/math] [math]3.280 \times 10^3 [/math] [math] 4.210 \times 10^3 [/math]
Integrated Background [math] 4.47 \times 10^4 \pm 1.221 \times 10^2 [/math] [math] 2.7680 \times 10^4 \pm 9.632 \times 10^2 [/math] [math] 1.8620 \times 10^4 \pm 7.94 \times 10^2 [/math] [math] 1.2656 \times 10^4 \pm 6.62 \times 10^2[/math] [math] 9.542 \times 10^3 \pm 5.84 \times 10^2 [/math] [math] 6.508 \times 10^3 \pm 5.04 \times 10^2 [/math] [math]5.470 \times 10^3 \pm 4.54 \times 10^2 [/math] [math] 4.512 \times 10^3 \pm 4.34 \times 10^2 [/math] [math] 3.308 \times 10^3 \pm 0.368 \times 10^3 [/math] [math] 3.148 \times 10^3 \pm 0.348 \times 10^3 [/math] [math] 3.896 \times 10^3 \pm 0.388 \times 10^3 [/math]
Signal - Background [math] 2.1920 \times 10^4 \pm 4.6580 \times 10^4[/math] [math] 2.3060 \times 10^4 \pm 2.9510 \times 10^4 [/math] [math] 2.0470 \times 10^4 \pm 1.9570 \times 10^4 [/math] [math] 1.9544 \times 10^4 \pm 1.3120 \times 10^4 [/math] [math]1.7638 \times 10^4 \pm 1.0170 \times 10^4 [/math] [math] 1.5292 \times 10^4 \pm 0.6880 \times 10^4 [/math] [math] 1.3080 \times 10^4 \pm 0.5690 \times 10^4 [/math] [math] 1.0540 \times 10^4 \pm 0.5240 \times 10^3 [/math] [math] 8.972 \times 10^3 \pm 3.640 \times 10^3 [/math] [math]8.452 \times 10^3 \pm 3.280 \times 10^3 [/math] [math]8.514 \times 10^3 \pm 4.210 \times 10^3 [/math]
Runtime (s) 300 300 300 300 300 300 300 300 300 300 300
Rate (Hz) 73.03 +/- 155.27 76.87 +/- 98.37 68.23 +/- 65.23 65.15 +/- 43.73 58.79 +/- 33.9 50.97 +/- 22.9 43.6 +/- 18.97 35.13 +/- 17.47 29.91 +/- 12.13 28.17 +/- 10.93 21.28 +/- 10.53
Integral Decay Correction (Hz) 75.30 +/- 160.02 79.22 +/- 101.37 70.31 +/- 67.22 67.14 +/- 45.07 60.59 +/- 34.93 52.53 +/- 23.60 44.93 +/- 19.55 36.20 +/- 18.00 30.82 +/- 12.50 29.03 +/- 11.26 21.93 +/- 10.85
Dead Time (%) 6.59 +/- 0.43 5.95 +/- 0.42 2.53 +/- 0.31 1.92 +/- 0.26 1.33 +/- 0.23 0.84 +/- 0.16 0.65 +/- 0.15 0.65 +/- 0.15 0.51 +/- 18 0.51 +/- 0.18 0.51 +/- 0.18
Dead Time Corrected Signal (Hz) 80.61 +/- 171.31 84.23 +/- 107.78 72.14 +/ 68.97 68.45 +/- 45.95 61.41 +/- 35.40 52.97 +/- 23.80 45.22 +/- 19.68 36.44 +/- 18.12 30.98 +/- 12.56 29.18 +/- 11.32 22.04 +/- 10.91
.Dat File Entry For HL Plot 4.39 +/- 2.13 4.43 +/- 1.28 4.28 +/- 0.96 4.23 +/- 0.67 4.12 +/- 0.58 3.97 +/- 0.45 3.81 +/- 0.44 3.60 +/- 0.50 3.43 +/- 0.41 3.37 +/- 0.39 3.09 +/- 0.50

Below is the table for the pure selenium sample which was outside the aluminum cylinder


367<t<667 1126<t<1426 1886<t<2186 2640<t<2940 3440<t<3740 4200<t<4500 4950<t<5250 5710<t<6010 6460<t<6760 7210<t<7510 8010<t<8310
Thin Window Histogram LB 170049 367 t 667Sec PureSeSpectrum ThinWindow.png LB 170049 1126 t 1426Sec PureSeSpectrum ThinWindow.png LB 170049 1886 t 2186Sec PureSeSpectrum ThinWindow.png LB 170049 2640 t 2940Sec PureSeSpectrum ThinWindow.png LB 170049 3440 t 3740Sec PureSeSpectrum ThinWindow.png LB 170049 4200 t 4500Sec PureSeSpectrum ThinWindow.png LB 170049 4950 t 5250Sec PureSeSpectrum ThinWindow.png LB 170049 5710 t 6010Sec PureSeSpectrum ThinWindow.png LB 170049 6460 t 6760Sec PureSeSpectrum ThinWindow.png LB 170049 7210 t 7510Sec PureSeSpectrum ThinWindow.png LB 170049 8010 t 8310Sec PureSeSpectrum ThinWindow.png
Expanded Window Histogram LB 170049 367 t 667Sec PureSeSpectrum ExpWindow.png LB 170049 1126 t 1426Sec PureSeSpectrum ExpWindow.png LB 170049 1886 t 2186Sec PureSeSpectrum ExpWindow.png LB 170049 2640 t 2940Sec PureSeSpectrum ExpWindow.png LB 170049 3440 t 3740Sec PureSeSpectrum ExpWindow.png LB 170049 4200 t 4500Sec PureSeSpectrum ExpWindow.png LB 170049 4950 t 5250Sec PureSeSpectrum ExpWindow.png LB 170049 5710 t 6010Sec PureSeSpectrum ExpWindow.png LB 170049 6460 t 6760Sec PureSeSpectrum ExpWindow.png LB 170049 7210 t 7510Sec PureSeSpectrum ExpWindow.png LB 170049 8010 t 8310Sec PureSeSpectrum ExpWindow.png
Signal in Thin Window [math] 6.152 \times 10^4[/math] [math] 5.41 \times 10^4[/math] [math]4.815 \times 10^4 [/math] [math]3.991 \times 10^4 [/math] [math]3.545 \times 10^4 [/math] [math]2.963 \times 10^4 [/math] [math]2.737 \times 10^4 [/math] [math]2.295 \times 10^4 [/math] [math] 1.918 \times 10^4[/math] [math] 1.673 \times 10^4[/math] [math]1.497 \times 10^4 [/math]
Signal in Expanded Window [math]6.945 \times 10^4 [/math] [math] 6.001 \times 10^4[/math] [math] 5.32 \times 10^4[/math] [math] 4.411 \times 10^4[/math] [math]3.914 \times 10^4 [/math] [math] 3.28 \times 10^4[/math] [math]3.004 \times 10^4 [/math] [math] 2.558 \times 10^4[/math] [math] 2.206 \times 10^4[/math] [math] 1.933 \times 10^4[/math] [math]1.71 \times 10^4 [/math]
[math] S_{Expanded} - S_{Thin} [/math] 7930 5910 5050 4200 3690 3170 2670 2630 2880 2600 2130
Integrated Background 4710 +/- 44.6 3854 +/- 40.2 2976 +/- 35.8 2656 +/- 33.4 2485 +/- 32.2 2302 +/- 31 2032 +/- 29.4 1943.2 +/- 28.6 2108 +/- 29.8 1769.4 +/- 27.8 1731.8 +/- 27.4
Signal - Background [math] 5.6810 \times 10^4 \pm 0.7930 \times 10^4 [/math] [math] 5.0246 \times 10^4 \pm 0.5910 \times 10^4 [/math] [math] 4.5174 \times 10^4 \pm 0.5050 \times 10^4 [/math] [math] 3.7254 \times 10^4 \pm 0.4200 \times 10^4 [/math] [math] 3.2992 \times 10^4 \pm 0.3690 \times 10^4 [/math] [math] 2.7328 \times 10^4 \pm 0.3170 \times 10^4 [/math] [math] 2.4700 \times 10^4 \pm 0.2670 \times 10^4 [/math] [math] 2.10068 \times 10^4 \pm 0.2630 \times 10^4 [/math] [math] 1.7072 \times 10^4 \pm 0.2880 \times 10^4 [/math] [math] 1.49606 \times 10^4 \pm 0.2600 \times 10^4 [/math] [math] 1.32382 \times 10^4 \pm 0.2130 \times 10^4 [/math]
Runtime (s) 300 300 300 300 300 300 300 300 300 300 300
Rate (Hz) 189.37 +/- 26.43 167.48 +/- 19.7 150.58 +/- 16.83 124.18 +/- 14 109.97 +/- 12.3 91.09 +/- 10.57 82.33 +/- 8.9 70.02 +/- 8.77 56.91 +/- 9.6 49.87 +/- 8.67 44.13 +/- 7.1
Integral Decay Correction (Hz) 195.16 +/- 27.24 172.61 +/- 20.30 155.18 +/- 17.34 127.97 +/- 14.43 113.33 +/- 12.67 93.87 +/- 10.84 84.85 +/- 9.17 72.16 +/- 9.04 58.65 +/- 9.89 51.39 +/- 8.93 45.48 +/- 7.32
Dead Time (%) 0.41 +/- 0.11 0.41 +/- 0.11 0.29 +/- 0.11 0.24 +/- 0.10 0.24 +/- 0.11 0.24 +/- 0.11 0.24 +/- 0.11 0.24 +/- 0.11 0.24 +/- 0.11 0.24 +/- 0.11 0.24 +/- 0.11
Dead Time Corrected Signal (Hz) 195.96 +/- 27.35 133.32 +/- 20.38 155.63 +/- 17.39 128.28 +/- 14.46 113.60 +/- 12.70 94.09 +/- 10.87 85.08 +/- 9.19 72.33 +/- 9.06 58.79 +/- 9.91 51.51 +/- 8.95 45.59 +/- 7.34
.Dat File Entry For HL Plot 5.27 +/- 0.14 5.16 +/- 0.12 5.05 +/- 0.11 4.85 +/- 0.11 4.73 +/- 0.11 4.54 +/- 0.11 4.44 +/- 0.11 4.28 +/- 0.13 4.07 +/- 0.17 3.94 +/- 0.17 3.82 +/- 0.16


Nickel Foil Information

For the nickel I have been using counting statistics ([math] \sqrt N[/math]) to find the error in the signal. This is due to the fact that I can pin down the half life within uncertainty using this type of error.

Below is a table for the front outer nickel foil that was used in the sample.


5/23/17 5/25/17 5/27/17 5/29/17 5/30/17
Thin Window Histogram
Original Histogram
Signal in Thin Window 3290 +/- 57.63 4757 +/- 68.97 5653 +/- 75.19 6023 +/- 77.61 3899 +/- 62.44
Integrated Background 26.4 +/- 2.6 36.42 +/- 3.12 53.56 +/- 3.8 86 +/- 4.8 45.66 +/- 3.52
Signal - Background 3263.6 +/- 57.42 4720.58 +/- 69.04 5599.44 +/- 75.29 5937 +/- 77.76 3853.34 +/- 62.54
Runtime (s) 300.587 300.511 300.622 302.195 301.247
Rate (Hz) 10.86 +/- 0.79 15.71 +/- 0.23 18.63 +/- 0.25 19.65 +/- 0.26 12.79 +/- 0.21
Integral Decay Correction (Hz) 10.87 +/- 0.79 15.72 +/- 0.23 18.64 +/- 0.25 19.67 +/- 0.26 12.80 +/- 0.21
Dead Time (%) 2.53 +/- 0.31 3.95 +/- 0.42 5.06 +/- 0.39 5.87 +/- 0.54 5.06 +/- 0.39
Dead Time Corrected Signal (Hz) 11.15 +/- 0.19 16.37 +/- 0.25 19.63 +/- 0.27 20.90 +/- 0.30 13.48 +/- 0.23
Position on Det A (cm) 70 30 20 10 10
Efficiency (%) 0.07 +/- 0.000266 0.33 +/- 0.0011 0.70 +/- 0.0011 0.86 +/- 0.0067 0.86 +/- 0.0067
Efficiency Corrected Rate 16440 +/- 278.10 4961 +/- 77.54 2804 +/- 38.82 2430 +/- 39.69 1567 +/- 29.40
.Dat File Entry For HL Plot 9.71 +/- 0.02 8.51 +/- 0.01 7.94 +/- 0.01 7.80 +/- 0.02 7.36 +/- 0.02


Below is the table for the rear outer foil:

5/23/17 5/29/17 5/30/17
Thin Window Histogram
Expanded Window Histogram
Signal in Thin Window
Integrated Background
Signal - Background
Runtime (s)
Rate (Hz)
Integral Decay Correction (Hz)
Dead Time (%)
Dead Time Corrected Signal (Hz)
Position on Det A (cm)
Efficiency (%)
Efficiency Corrected Rate (Hz)
.Dat File Entry For HL Plot
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