Question: A sample placed in a NaI(Tl) based gamma spectroscopy system yields two peaks, at 435 and 490 keV. Each has about 400 counts. What energy

A sample placed in a NaI(Tl) based gamma spectroscopy system yields two peaks, at 435 and 490 keV. Each has about 400 counts. What energy resolution would be required in order to just be able to distinguish the two peaks as separate?

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