How light the lepton flavor changing gauge bosons can be
Abstract Spontaneous breaking of inter-family (horizontal) gauge symmetries can be at the origin of the mass hierarchy between the fermion families. The corresponding gauge bosons have flavor-nondiagonal couplings which generically induce the flavor changing phenomena, and this puts strong lower lim...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2019-03-01
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Series: | European Physical Journal C: Particles and Fields |
Online Access: | http://link.springer.com/article/10.1140/epjc/s10052-019-6724-5 |