Flavour Physics in an SO(10) Grand Unified Model

Details Flavour Physics in an SO(10) Grand Unified Model Flavour Physics in an SO(10) Grand Unified Model

2011-08-24

arxiv.org/abs/1108.4852v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure, prepared for the proceedings of the International Europhysics Conference on High Energy Physics - HEP 2011,

Scientific paper

Grand unified theories open the possibility to transfer the neutrino mixing matrix U_PMNS to the quark sector. This is accomplished in a controlled way in a supersymmetric grand-unified model proposed by Chang, Masiero and Murayama (CMM model) where the atmospheric neutrino mixing angle induces large new b -> s and tau -> mu transitions. Relating the supersymmetric low-energy parameters to seven new parameters a_0, m_0^2, m_tilde{g}, D, xi, tan beta and arg(mu) of this SO(10) model, we perform a correlated study of several flavour-changing neutral current (FCNC) processes. The CMM model can serve as an alternative benchmark scenario to the popular constraint MSSM.

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