Cross sections for photoelectric

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The cross sections for photoelectric, Compton, and pair production interactions in sodium iodide at 2 MeV are in the ratio 1:20:2, respectively. Will the pulse height spectrum from 2 MeV gamma rays incident on a sodium iodide scintillator give a peak-to-total ratio of less than, more than, or about equal to 1/23?

Reference no: EM133201676

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