DeepBlueMarin 04222013

From New IAC Wiki
Jump to navigation Jump to search

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 87740/2962 87740/2803
Medium 31950/2938 31950/1239 31950/1283
Small 87090/8184 87090/3790 87090/3578

Rate normalized spectrum

PAA_DeepBlueMarine