Y-88 Half-life: Difference between revisions
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===898 keV Integral Table (With Event Cuts)=== | |||
{| border="1" |cellpadding="20" cellspacing="0 | |||
|- | |||
| Days ||<math>T_{1/2}</math> || Trig || Integral | |||
|- | |||
| 47 || 0.44 ||coin || 0.0214 +/- 1.535e-4 | |||
|- | |||
| rowspan="2" | 105 || rowspan="2" | 0.98 || sing || 1.364 +/- 0.0457 | |||
|- | |||
| coin || 0.0052 +/- 9.117e-5 | |||
|- | |||
| rowspan="2" | 156 || rowspan="2" | 1.46 || sing || 0.8697+/- 0.0159 | |||
|- | |||
| coin || 0.0042 +/- 1.103e-4 | |||
|- | |||
| rowspan="2" | 226 || rowspan="2" | 2.12 || sing || 0.6069 +/- 0.0184 | |||
|- | |||
| coin || 0.0021 +/- 4.305e-5 | |||
|- | |||
| rowspan="2" | 242 || rowspan="2" | 2.27 || sing || 0.5807 +/- 0.0457 | |||
|- | |||
| coin || 0.0014 +/- 8.033e-5 | |||
|- | |||
|} | |||
'''Integral vs Time for singles:''' | |||
Use the p-values from the regression analysis to decide which fit is better. The smaller the p-value the better the fit. | |||
[[File:Y-88_HalfLife_898_singles.png | 200 px]][[File:HalfLife_Fit_singles.png | 200 px]] | |||
'''Black Line''':y=-0.00614762*t+0.90238 | |||
Half-life:162.7+/- 18.6 days | |||
'''Green Line''': y=-0.00626604*t+0.881547 | |||
Half-life: 159.6 +/- 8.79 days | |||
'''Integral vs Time for coincidence:''' | |||
[[File:Y-88_HalfLife_ln_coin.png | 200 px]][[File:HalfLife_Fit_coin.png | 200 px]] | |||
'''Black Line''': y=-0.00926265*t-4.17913 | |||
Half-life:107.96 +/- 20.3 days | |||
'''Green Line''': y=-0.00788375*t-4.36373 | |||
Half-life: 126.84 +/- 3.41 days | |||
[[Cs-137 Half-life]] | |||
[[A_W_thesis]] | [[A_W_thesis]] | ||
Revision as of 16:39, 3 September 2014
898 keV Singles
Averaging over the half-life fits: 100.77 +/- 37.397
898 keV Singles Using Ratios
898 keV Coincidence
Averaging over the half-life fits: 4630.602 +/- 7728.132
Using the Event Number cut on run 7236
Averaging over the half-life fits: 159.105 +/- 65.381
898 keV Integral Table (With Event Cuts)
| Days | [math]\displaystyle{ T_{1/2} }[/math] | Trig | Integral |
| 47 | 0.44 | coin | 0.0214 +/- 1.535e-4 |
| 105 | 0.98 | sing | 1.364 +/- 0.0457 |
| coin | 0.0052 +/- 9.117e-5 | ||
| 156 | 1.46 | sing | 0.8697+/- 0.0159 |
| coin | 0.0042 +/- 1.103e-4 | ||
| 226 | 2.12 | sing | 0.6069 +/- 0.0184 |
| coin | 0.0021 +/- 4.305e-5 | ||
| 242 | 2.27 | sing | 0.5807 +/- 0.0457 |
| coin | 0.0014 +/- 8.033e-5 |
Integral vs Time for singles:
Use the p-values from the regression analysis to decide which fit is better. The smaller the p-value the better the fit.
Black Line:y=-0.00614762*t+0.90238 Half-life:162.7+/- 18.6 days
Green Line: y=-0.00626604*t+0.881547 Half-life: 159.6 +/- 8.79 days
Integral vs Time for coincidence:
Black Line: y=-0.00926265*t-4.17913 Half-life:107.96 +/- 20.3 days
Green Line: y=-0.00788375*t-4.36373 Half-life: 126.84 +/- 3.41 days