Why is pair production not possible in empty space?
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The Pair production is one of major interaction of gamma with matter: Photoelectric, compton scattering, Thomson and pair production and photo disintegration.The cross section of the occurenece of the interteraction depends on the low , medium and high energy of gamma.
Pair production is the interation of gamma photons with matter. If gamma energy is greater than 1.022 MEV , a couple of electron and positron with the rest mass of .511 MeV may be generated and gamma disappears . According to energy and mometum conservation laws , for gamma higher than this energy, the residual energy imparts to the kinetic energy of particles. It is obvious that in free space, momentum law is not satisfied.
Hope it helps you!
Here's your answer!!
The Pair production is one of major interaction of gamma with matter: Photoelectric, compton scattering, Thomson and pair production and photo disintegration.The cross section of the occurenece of the interteraction depends on the low , medium and high energy of gamma.
Pair production is the interation of gamma photons with matter. If gamma energy is greater than 1.022 MEV , a couple of electron and positron with the rest mass of .511 MeV may be generated and gamma disappears . According to energy and mometum conservation laws , for gamma higher than this energy, the residual energy imparts to the kinetic energy of particles. It is obvious that in free space, momentum law is not satisfied.
Hope it helps you!
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