Maria Sidorova (Moscow):
Rare Meson Decays in theories beyond the Standard Model
In the standard model, since B-L conservation is exact, decays that violate
lepton number are forbidden. But B-L and L violation is expected in theories beyond the S.M.
That is why neutrinoless double beta decay has long been recognized as a sensitive tool to
put theories beyond the S.M. to the test. There are several mechanisms that may cause such
processes. We consider physics sources for these decays, concentrating on massive Majorana
neutrinos and R-parity-violating supersymmetric theories. We calculated rare decays of meson
into other meson and two leptons of the same sign.
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