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I'm considering the following process

n+p→d+[itex]\gamma[/itex] where d is the deuteron and [itex]\gamma[/itex] a photon.

I want to find out the energy of the photon. I know it will be much less than the rest mass of the deuteron (1875.666 MeV/c2). Can I simply use conservation of energy here?

i.e E_{[itex]\gamma[/itex]}= E_{i}- E_{f}?

Thanks :)

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# Radioactive capture of proton and neutron

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