Political Science, asked by honeyPriyanshu5334, 1 year ago

Why electron positron pair production cannot occur in vaccum?

Answers

Answered by rohit1741

0

The photon must be near a nucleus in order to satisfy conservation of momentum, as an electron–positron pair produced in free space cannot both satisfy conservation of energy and momentum. Because of this, when pair production occurs, the atomic nucleus receives some recoil.

Answered by Anonymous

2

Hey..!

The photon must be near a nucleus in order to satisfy conservation of momentum, as an electron–positron pair produced in free space cannot both satisfy conservation of energy and momentum. Because of this, when pair production occurs, the atomic nucleus receives some recoil.

Thanks.. :)

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