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μ−→e−+γ decay in the scalar triplet model

AuthorsPich, Antonio ; Santamaría, Arcadi ; Bernabéu, José
Issue Date22-Nov-1984
CitationPhysics Letters B 148(1-3): 229-233 (1984)
AbstractThe μ−→e−+γ decay rate is evaluated in the framework of the triplet model of Gelmini and Roncadelli. It is shown that the contributions of the charged Higgs sector are larger than the ordinary gauge ones by at least twenty-four orders of magnitude. We obtain a lower limit for the ratio R>3.6×10−12|[m^2]νeμ|^2 KeV^4, where [m^2ν ]eμ is the relevant off-diagonal leptonic mixing. The experimental upper bound to the process is used to impose contraints over these mixing parameters. Similar reasoning is used for the τ−→μ−γ and τ−→e−γ processes.
Description6 páginas, 2 figuras.
Publisher version (URL)http://dx.doi.org/10.1016/0370-2693(84)91644-7
Appears in Collections:(IFIC) Artículos
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