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An Electron and a Positron, Each Having Kinetic Energy 1

Question 8

Multiple Choice

An electron and a positron, each having kinetic energy 1.843 GeV, collide head-on and annihilate, producing a proton and antiproton pair (M = 938.3 MeV/c2) . What is the kinetic energy of the antiproton produced in this way?


A) 0.938 GeV.
B) 0.905 GeV.
C) 1.586 GeV.
D) 1.843 GeV.

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