DeepBlueMarin 04222013

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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

Rate normalized spectrum

PAA_DeepBlueMarine