Gamma spectrum. The measured gamma spectrum from a certain radionuclide shows a peak at 511 keV,...

Gamma spectrum. The measured gamma spectrum from a certain radionuclide shows a peak at 511 keV, however this radionuclide is not known to emit such a gamma ray. Give two plausible explanations for the origin of this peak in the spectrum.

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genius_generous answered 1 year ago

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