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Phenomenology of S_4 Flavor Symmetric extra U(1) model

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arxiv 1303.7056 v2 pith:6DXFHVCQ submitted 2013-03-28 hep-ph

Yasuhiro Daikoku , Hiroshi Okada This is my paper · ORCID
classification hep-ph
keywords extraflavormassmodelallowedassignmentasymmetrybaryon
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We study several phenomenologies of an E_6 inspired extra U(1) model with S_4 flavor symmetry. With the assignment of left-handed quarks and leptons to S_4-doublet, SUSY flavor problem is softened. As the extra Higgs bosons are neutrinophilic, baryon number asymmetry in the universe is realized by leptogenesis without causing gravitino overproduction. We find that the allowed region for the lightest chargino mass is given by 100-140 GeV, if the dark matter is a singlino dominated neutralino whose mass is about 36 GeV.

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