Lepton Flavour Violating tau Decays in the Left-Right Symmetric Model

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dc.creatorAkeroyd, A. G.
dc.creatorAoki, Mayumi
dc.creatorOkada, Yasuhiro
dc.date2006-10-26
dc.date2007-06-05
dc.date.accessioned2026-07-07T11:01:59Z
dc.date.available2026-07-07T11:01:59Z
dc.descriptionThe Left-Right symmetric extension of the Standard Model with Higgs isospin triplets can provide neutrino masses via a TeV scale seesaw mechanism. The doubly charged Higgs bosons H^{\pm\pm}_L and H^{\pm\pm}_R induce lepton flavour violating decays τ^\pm \to lll at tree-level via a coupling which is related to the Maki-Nakagawa-Sakata matrix (V_{\rm MNS}). We study the magnitude and correlation of τ^\pm \to lll and μ\to eγwith specific assumptions for the origin of the large mixing in V_{\rm MNS} while respecting the stringent bound for μ\to eee. It is also shown that an angular asymmetry for τ^\pm \to lll is sensitive to the relative strength of the H^{\pm\pm}_L and H^{\pm\pm}_R mediated contributions and provides a means of distinguishing models with doubly charged Higgs bosons.
dc.description24 pages, 16 figures, added references, notation clarified, added discussion of effect of Majorana phases, version to appear in Physical Review D
dc.identifierhttps://arxiv.org/abs/hep-ph/0610344
dc.identifierhttp://arxiv.org/abs/hep-ph/0610344
dc.identifierPhys.Rev.D76:013004,2007
dc.identifierdoi:10.1103/PhysRevD.76.013004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188115
dc.subjectHigh Energy Physics - Phenomenology
dc.titleLepton Flavour Violating tau Decays in the Left-Right Symmetric Model
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