Difference between revisions of "DeepBlueMarin 04222013"
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{| border="3" cellpadding="5" cellspacing="0" | {| border="3" cellpadding="5" cellspacing="0" | ||
− | | Coin Size|| 333/356 ratio | + | | Coin Size|| 333 keV || 356 keV || 333/356 ratio |
|- | |- | ||
− | | Large || 3927/3672=1.06 | + | | Large || [[File:L333_04222013.png| 200 px]] || [[File:M356_04222013.png| 200 px]] || 3927/3672=1.06 |
|- | |- | ||
− | | Medium || 2062/1432=1.44 | + | | Medium || [[File:L333_04222013.png| 200 px]] || [[File:M356_04222013.png| 200 px]] || 2062/1432=1.44 |
|- | |- | ||
− | | Small || 5552/3083 =1.81 | + | | Small || [[File:L333_04222013.png| 200 px]] || [[File:M356_04222013.png| 200 px]] || 5552/3083 =1.81 |
|} | |} | ||
Revision as of 17:52, 9 May 2013
Irradiation of Silver coins from Deep Blue Marin performed on April 22, 2013
Large Coin
Raw Spectrum
Calibration
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Linear fit using several sources | Zoom in to the most intense line | The most intense line seems to be from positron annihilation |
Energy Calibrated spectrum
Peak Ratios
Ratio of 511 and
- Silver lines
Coin Size | 511/451 ratio | 511/748 ratio | 511/1046 ratio |
Large | 87740/6639 =13.2 | 87740/2962=29.6 | 87740/2803 = 31.3 |
Medium | 31950/2938 =10.9 | 31950/1239 =25.8 | 31950/1283=24.9 |
Small | 87090/8184=10.6 | 87090/3790 =22.98 | 87090/3578=24.34 |
- Gold lines
Coin Size | 333 keV | 356 keV | 333/356 ratio |
Large | ![]() |
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3927/3672=1.06 |
Medium | ![]() |
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2062/1432=1.44 |
Small | ![]() |
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5552/3083 =1.81 |