Implications of a very light pseudoscalar boson on lepton flavor violation

Details Implications of a very light pseudoscalar boson on lepton flavor violation Implications of a very light pseudoscalar boson on lepton flavor violation

2005-11-29

arxiv.org/abs/hep-ph/0511331v1

Phys.Rev.D72:117701,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 3 figures, REVTEX style

Scientific paper

10.1103/PhysRevD.72.117701

A long-lived very light pseudoscalar boson would favor lepton flavor violating transitions of charged leptons. Its implications on the l_i --> l_j \gamma \gamma, and l_i --> l_j e^+ e^- transitions are investigated. Assuming 2 m_e < m_\phi l_j \gamma \gamma) l_j e^+ e^-) is hold. The experimental constraints on the decays l_i --> l_j \gamma, l_i --> l_j l_k l_k, and l_i --> l_j \gamma \gamma are used to bound the \phi l_i l_j couplings.

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