pair production


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Related to pair production: photodisintegration

pair pro·duc·tion

creation of a positron and electron, each of mass 0.511 MeV, when an incident photon of energy greater than 1.02 MeV is absorbed by matter; occurs in high-energy radiotherapy.
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5), with the result that the Compton radius is no longer associated with electron-positron pair production, being outside the onset radius.
With the quark annihilation and pair production model proposed in this paper, we can understand why an electronpositron can produce [mu] and [tau] particles.
or -]] pair production with instantaneous decay would look like an electron positron pair production but would actually be l[W.