Difference between revisions of "LB Feb Nickel Consistency Check"
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Since the efficiency is unknown I will plot the ratio of the activities so the efficiency cancels out. Below is a table of rations that will be entered into a .dat File after correcting for time to make sure that they are the activities at the same time. The decay constant for Ni-57 is | Since the efficiency is unknown I will plot the ratio of the activities so the efficiency cancels out. Below is a table of rations that will be entered into a .dat File after correcting for time to make sure that they are the activities at the same time. The decay constant for Ni-57 is | ||
| − | <math> \lambda = 5.41 \times 10^{-5} </math> | + | <math> \lambda = 5.41 \times 10^{-5} \frac{1}{sec} </math> |
{| border="3" cellpadding="5" cellspacing="0" | {| border="3" cellpadding="5" cellspacing="0" | ||
| Line 63: | Line 63: | ||
||Original Activity || 195.99 +/- 9.47 || 290.69 +/- 8.97 || 365.74 +/- 12.01 || 224.17 +/- 9.30 || 274.4 +/- 7.68 || 342.25 +/- 8.00 || 153.54 +/- 8.38 || 147.03 +/- 8.18 || 100.92 +/- 6.76 || 89.94 +/- 13.04 || 34.83 +/- 7.77 | ||Original Activity || 195.99 +/- 9.47 || 290.69 +/- 8.97 || 365.74 +/- 12.01 || 224.17 +/- 9.30 || 274.4 +/- 7.68 || 342.25 +/- 8.00 || 153.54 +/- 8.38 || 147.03 +/- 8.18 || 100.92 +/- 6.76 || 89.94 +/- 13.04 || 34.83 +/- 7.77 | ||
|- | |- | ||
| − | ||Corrected Activity || | + | ||Corrected Activity (Hz) ||204.12 +/- 9.86 || 302.91 +/- 9.35 || 379.46 +/- 12.46 || 234.53 +/- 9.73 || 283.91 +/- 7.94 || 354.63 +/- 8.29 || 159.73 +/- 8.72 || 155.04 +/- 8.62 || 106.39 +/- 7.13 || 96.69 +/- 14.02 || 37.36 +/- 8.33 |
|- | |- | ||
||Ration With Front Foil || | ||Ration With Front Foil || | ||
|- | |- | ||
|} | |} | ||
Revision as of 14:45, 9 November 2017
This analysis was done on Inv # 170010 which was irradiated in February 2017 with a rotating sample holder. This was a 50% mix of Se and Soil. The mass of the front nickel foil was 0.27 grams and the mass of the rear nickel foil was 0.25 grams. The histograms made were weighted by the time of the run and the mass of the nickel foil.
Below is a table for the front nickel foil:
| 2/14/17 (r5923) | 2/15/17 (r5931) | 2/17/17 (r5989) | 2/18/17 (r6008) | 2/19/17 (r6026) | 2/21/17 (r6062) | 2/22/17 (r6080) | 2/23/17 (r6113) | 2/24/17 (r6138) | 2/25/17 (r6146) | 2/26/17 (r6156) | |
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| Expanded Window |  |
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| Original Background | 0.0.6227 +/- 0.1145 | 0.659037 +/- 0.114807 | 0.510516 +/- 0.101046 | 0.532599 +/- 0.104256 | 0.6782 +/- 0.1165 | 0.7647 +/- 0.1237 | 0.7907 +/- 0.1258 | 0.453491 +/- 0.0952356 | 0.295556 +/- 0.0768838 | 0.17772 +/- 0.0596188 | 0.132862 +/- 0.0515485 |
| Expanded Background | 0.2953 +/- 0.0645 | 0.370149 +/- 0.0727176 | 0.313773 +/- 0.0669513 | 0.2913 +/- 0.0645 | 0.353323 +/- 0.0710456 | 0.542389 +/- 0.0880251 | 0.470052 +/- 0.0819453 | 0.306094 +/- 0.0661269 | 0.20074 +/- 0.0535511 | 0.132969 +/- 0.044 | 0.101777+/-0.0381308 |
| Signal Background (Take Larger Error) | 0.6227 +/- 0.1145 | 0.659037 +/- 0.114807 | 0.510516 +/- 0.101046 | 0.532599 +/- 0.104256 | 0.6782 +/- 0.1165 | 0.7647 +/- 0.1237 | 0.7907 +/- 0.1258 | 0.453491 +/- 0.0952356 | 0.295556 +/- 0.0768838 | 0.17772 +/- 0.0596188 | 0.132862 +/- 0.0515485 |
| Integrated Background | 31.135 +/- 5.73 | 32.95 +/- 5.74 | 25.53 +/- 5.05 | 26.63 +/- 5.21 | 33.91 +/- 5.82 | 38.24 +/- 6.19 | 39.53 +/- 6.29 | 22.67 +/- 4.76 | 14.78 +/- 3.84 | 8.89 +/- 2.98 | 6.64 +/- 2.58 |
| Signal in Window (Hz) | 203.9 +/- 12.14 | 226.7 +/- 6.039 | 249.2 +/- 5.683 | 160.3 +/- 6.606 | 176.9 +/- 6.908 | 279.7 +/- 4.56 | 191.2 +/- 5.269 | 126.3 +/- 4.943 | 84.67 +/- 4.5201 | 53.02 +/- 4.0059 | 30.51 +/- 2.33 |
| Background Subtracted Signal | 172.77 +/- 13.42 | 193.75 +/- 8.33 | 223.67 +/- 7.60 | 133.67 +/- 8.80 | 142.99 +/- 9.03 | 241.46 +/- 7.69 | 151.67 +/- 8.21 | 103.63 +/- 6.86 | 69.89 +/- 5.93 | 44.13 +/- 4.99 | 23.87 +/- 3.48 |
Below is a table for the rear nickel foil:
| 2/14/17 (r5924) | 2/15/17 (r5932) | 2/17/17 (r5990) | 2/18/17 (r6009) | 2/19/17 (r6027) | 2/21/17 (r6063) | 2/22/17 (r6081) | 2/23/17 (r6114) | 2/24/17 (r6139) | 2/25/17 (r6147) | 2/26/17 (r6157) | |
| Original Window |  |
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| Expanded Window |  |
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| Original Background | 0.712245 +/- 0.119352 | 0.560274 +/- 0.105856 | 0.747163 +/- 0.122243 | 0.948503 +/- 0.137732 | 0.5559 +/- 0.1054 | 1.053 +/- 0.145 | 0.7672 +/- 0.1239 | 0.69739 +/- 0.118101 | 0.40956 +/- 0.0896135 | 0.3712 +/- 0.0862 | 0.17722 +/- 0.0586795 |
| Expanded Background | 0.366691 +/- 0.0723771 | 0.364745 +/- 0.0721848 | 0.481813 +/- 0.0829641 | 0.486985 +/- 0.0834082 | 0.390681 +/- 0.0747071 | 0.719033 +/- 0.10135 | 0.4564 +/- 0.0807 | 0.427189 +/- 0.0781198 | 0.293302 +/- 0.0647304 | 0.2707 +/- 0.0622 | 0.128385 +/- 0.0428261 |
| Signal Background (Take Larger Error) | 0.712245 +/- 0.119352 | 0.560274 +/- 0.105856 | 0.747163 +/- 0.122243 | 0.948503 +/- 0.137732 | 0.5559 +/- 0.1054 | 1.053 +/- 0.145 | 0.7672 +/- 0.1239 | 0.69739 +/- 0.118101 | 0.40956 +/- 0.0896135 | 0.3712 +/- 0.0862 | 0.17722 +/- 0.0586795 |
| Integrated Background | 35.61 +/- 5.97 | 28.01 +/- 5.29 | 37.36 +/- 6.11 | 47.43 +/- 6.89 | 27.80 +/- 5.27 | 52.65 +/- 7.25 | 38.36 +/- 6.20 | 34.87 +/- 5.90 | 20.48 +/- 4.48 | 18.56 +/- 4.31 | 8.86 +/- 2.93 |
| Signal in Window (Hz) | 231.6 +/- 7.356 | 318.7 +/- 7.242 | 403.1 +/- 10.34 | 271.6 +/- 6.24 | 302.2 +/- 5.59 | 394.9 +/- 3.39 | 191.9 +/- 5.64 | 181.9 +/- 5.666 | 121.4 +/- 5.058 | 108.5 +/- 12.31 | 43.69 +/- 7.20 |
| Background Subtracted Signal | 195.99 +/- 9.47 | 290.69 +/- 8.97 | 365.74 +/- 12.01 | 224.17 +/- 9.30 | 274.4 +/- 7.68 | 342.25 +/- 8.00 | 153.54 +/- 8.38 | 147.03 +/- 8.18 | 100.92 +/- 6.76 | 89.94 +/- 13.04 | 34.83 +/- 7.77 |
Since the efficiency is unknown I will plot the ratio of the activities so the efficiency cancels out. Below is a table of rations that will be entered into a .dat File after correcting for time to make sure that they are the activities at the same time. The decay constant for Ni-57 is
| r5924 | r5932 | r5990 | r6009 | r6027 | r6063 | r6081 | r6114 | r6139 | r6147 | r6157 | |
| Time elapsed (Sec) | 751 | 761 | 681 | 835 | 630 | 657 | 731 | 981 | 976 | 1337 | 1297 |
| Original Activity | 195.99 +/- 9.47 | 290.69 +/- 8.97 | 365.74 +/- 12.01 | 224.17 +/- 9.30 | 274.4 +/- 7.68 | 342.25 +/- 8.00 | 153.54 +/- 8.38 | 147.03 +/- 8.18 | 100.92 +/- 6.76 | 89.94 +/- 13.04 | 34.83 +/- 7.77 |
| Corrected Activity (Hz) | 204.12 +/- 9.86 | 302.91 +/- 9.35 | 379.46 +/- 12.46 | 234.53 +/- 9.73 | 283.91 +/- 7.94 | 354.63 +/- 8.29 | 159.73 +/- 8.72 | 155.04 +/- 8.62 | 106.39 +/- 7.13 | 96.69 +/- 14.02 | 37.36 +/- 8.33 |
| Ration With Front Foil |