(adsbygoogle = window.adsbygoogle || []).push({}); [SOLVED] photon+deuteron-->p+n , E(photon)=?

Problem:

What is the minimal energy of photon for disassembling deuteron on proton and neutron (photon+d --> p+n)? By how much is that energy larger than energy of binding of deuteron? Binding energy of deuteron is E=2.225MeV, mass of deuteron is 1875.628MeV.

This means that m(d)-m(p)-m(n)=2.225MeV.

I don't understand why would do you need a photon of greater energy than 2.225MeV if that is the energy that binds proton and neutron together.

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# Photon+deuteron->p+n , E(photon)=?

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