User talk:CKBowdery

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Electrons and positrons both have the same +ve mass so by conservation of momentum they must be created in opposite directions. Mtpaley (talk) 23:45, 2 November 2016 (UTC)

Re Pair Production. Surely in the frame of reference of the electron and position they are moving in opposite directions. Mtpaley (talk) 00:01, 3 November 2016 (UTC)