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6 papers · 2 filters
Supersymmetric penguin contributions to the decay b -> s gamma with non-universal squarks masses
M. B. Causse, J. Orloff
We give explicit expressions for the amplitudes associated with the supersymmetric contributions to the process: b -> s gamma in the context of SUSY extensions of Standard Model wi…
Enhanced Direct CP Violation in
X. -H. Guo, O. Leitner, A. W. Thomas
We study direct CP violation in the hadronic decay , including the effect of mixing. We find that the CP violating asymmetry is strongly dependent…
Duality in the non-relativistic harmonic oscillator quark model in the Shifman-Voloshin limit : a pedagogical example
A. Le Yaouanc, D. Melikhov, V. Morenas +3
The detailed way in which duality between sum of exclusive states and the free quark model description operates in semileptonic total decay widths, is analysed. It is made very exp…
Semileptonic inclusive heavy meson decay: duality in a nonrelativistic potential model in the Shifman-Voloshin limit
A. Le Yaouanc, D. Melikhov, V. Morenas +3
Quark-hadron duality in the inclusive semileptonic decay in the Shifman-Voloshin limit is studied within a nonrelativistic potential…
Neutrino Oscillations v.s. Leptogenesis in SO(10) Models
Emmanuel Nezri, Jean Orloff
We study the link between neutrino oscillations and leptogenesis in the minimal framework assuming an SO(10) see-saw mechanism with 3 families. Dirac neutrino masses being fixed, t…
One Interesting New Sum Rule Extending Bjorken's to order {1/m_Q}
A. Le Yaouanc, D. Melikhov, V. Morénas +3
We explicitly check quark-hadron duality to order for decays in the limit including ground state and orbitally excited hadrons. Du…