Role of lepton flavor violating (LFV) muon decay in Seesaw model and LSND

Details Role of lepton flavor violating (LFV) muon decay in Seesaw model and LSND Role of lepton flavor violating (LFV) muon decay in Seesaw model and LSND

2002-09-10

arxiv.org/abs/hep-ph/0209106v1

Phys.Rev. D66 (2002) 096005

Physics

High Energy Physics

High Energy Physics - Phenomenology

05 pages, three figures, the version to appear in PRD

Scientific paper

10.1103/PhysRevD.66.096005

The aim of the work is to study LFV in a newly proposed Seesaw model of neutrino mass and to see whether it could explain LSND excess. The motivation of this Seesaw model was that there was no new physics beyond the TeV scale. By studying \mu \to 3e in this model, it is shown that the upper bound on the branching ratio requires Higgs mass m_{h} of a new scalar doublet with lepton number L=-1 needed in the model has to be about 9 TeV. The predicted branching ratio for \mu \to e\nu_{l}\bar{\nu}_{l} is too small to explain the LSND. PACS: 11.30.Hv, 14.60.Pq

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