Difference between revisions of "DeepBlueMarin 04222013"

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Line 29: Line 29:
 
| Coin Size|| 511/451 ratio || 511/748 ratio|| 511/1046 ratio
 
| Coin Size|| 511/451 ratio || 511/748 ratio|| 511/1046 ratio
 
|-
 
|-
| Large  ||  87740/6639 || 87740/2962 || 87740/2803
+
| Large  ||  87740/6639 =13.2|| 87740/2962=29.6 || 87740/2803 = 31.3
 
|-
 
|-
| Medium  || 31950/2938 || 31950/1239 || 31950/1283
+
| Medium  || 31950/2938 =10.9 || 31950/1239 =25.8|| 31950/1283=24.9
 
|-
 
|-
| Small  || 87090/8184 || 87090/3790 || 87090/3578
+
| Small  || 87090/8184=10.6 || 87090/3790 =22.98|| 87090/3578=24.34
 
|}
 
|}
  

Revision as of 17:27, 9 May 2013

Irradiation of Silver coins from Deep Blue Marin performed on April 22, 2013

Large Coin

Raw Spectrum

04222013 LargeCoin Raw.png

Calibration

04222013 LargeCoin Cal.png 04222013 LargeCoin RawMainPeak.png 04222013 LargeCoin CalMainPeak.png
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

04222013 LargeCoin EnergySpectrum.png


Peak Ratios

Ratio of 511 and


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

Rate normalized spectrum

PAA_DeepBlueMarine