Multiple Choice
An electron and a positron (antielectron) , both nearly at rest, collide. What particle(s) is(are) produced?
A) One photon of energy 1.02 MeV
B) Two photons of energy 511 keV
C) A pi-meson
D) A K-meson and an anti-neutrino
Correct Answer:
Verified
Correct Answer:
Verified
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