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October 25, 2014

Homework Help: College Physics

Posted by Angie on Tuesday, April 13, 2010 at 8:17pm.

A gamma ray (a high-energy photon of light) can produce a particle- antiparticle pair, each particle with mass 8.68 MeV/c2 when it enters the electric field of a heavy nucleus: γ ! λ+ + λ− .

What minimum γ-ray energy is required to accomplish this task?

I have searched but can't come up with a numerical answer in MeV units. Please Help

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