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Unformatted text preview: 44.21: Conservation of lepton number. - - a) e + v e + v Lu : +1 -1, Le : 0 +1 + 1 so lepton numbers are not conserved. - - b) e + ve + v Le : 0 = +1 - 1 L : +1 = +1 so lepton numbers are conserved. c) + e + + . Lepton numbers are not conserved since just one lepton is produced from zero original leptons.
- d) n p + e + e Le : 0 = +1 - 1, so the lepton numbers are conserved. ...
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