Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-01-13
Nucl.Phys.B752:18-39,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, 6 figures
Scientific paper
10.1016/j.nuclphysb.2006.06.021
We extend the effective theory of Minimal Lepton Flavor Violation (MLFV) by including four-lepton operators. We compute the rates for mu -> 3 e and tau -> 3 ell decays and point out several new ways to test the hypothesis of MLFV. We also investigate to what extent it will be possible from (future) experimental information to pin down the contributions of different effective operators. In particular we look for experimental handles on quark-lepton operators of the type $\bar{ell}_i \Gamma \ell_j \times \bar q \Gamma q$ by working out their contribution to hadronic processes such as tau -> mu pi^0, pi^0 -> mu^- e^+, Y -> tau^- mu^+, as well as to purely leptonic decays such as mu -> 3 e through loop effects.
Cirigliano Vincenzo
Grinstein Benjamin
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