Kinetic Energy and Photon Energy Calculation in Pair Production

AI Thread Summary
In the discussion on kinetic energy and photon energy calculation during pair production, a photon collides with a stationary electron, resulting in the creation of a positron and a second electron. The problem involves determining the kinetic energy of the three particles produced and the energy of the initial photon. The original poster initially struggled with the calculations but later resolved the issue. The conversation highlights the complexities of energy conservation in particle physics. Ultimately, the calculations are essential for understanding the dynamics of pair production.
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5. A photon of energy E strikes an electron at rest and undergoes pair production,
producing a positron and an electron:

photon + e * = e * + Positron + e *

The two electrons and the positron move off with identical momenta in the direct ion of
the init ial photon. Find the kinet ic energy of the three final particles and find the energy
of the photon.

How to do this? I seem to not get the right answer.
 
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