Supersymmetric seesaw type II: CERN LHC and lepton flavour violating phenomenology

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dc.creatorHirsch, M.
dc.creatorKaneko, S.
dc.creatorPorod, W.
dc.date2008-06-20
dc.date2008-11-11
dc.date.accessioned2026-07-07T11:51:52Z
dc.date.available2026-07-07T11:51:52Z
dc.descriptionWe study the supersymmetric version of the type-II seesaw mechanism assuming minimal supergravity boundary conditions. We calculate branching ratios for lepton flavour violating (LFV) scalar tau decays, potentially observable at the LHC, as well as LFV decays at low energy, such as $l_i \to l_j + γ$ and compare their sensitivity to the unknown seesaw parameters. In the minimal case of only one triplet coupling to the standard model lepton doublets, ratios of LFV branching ratios can be related unambigously to neutrino oscillation parameters. We also discuss how measurements of soft SUSY breaking parameters at the LHC can be used to indirectly extract information of the seesaw scale.
dc.description25 pages, 14 figures, references and appendix added, minor corrections; final version published in Phys.Rev.D
dc.identifierhttps://arxiv.org/abs/0806.3361
dc.identifierhttp://arxiv.org/abs/0806.3361
dc.identifierPhys.Rev.D78:093004,2008
dc.identifierdoi:10.1103/PhysRevD.78.093004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204038
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSupersymmetric seesaw type II: CERN LHC and lepton flavour violating phenomenology
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