Sneutrino Dark Matter: Symmetry Protection and Cosmic Ray Anomalies

Details Sneutrino Dark Matter: Symmetry Protection and Cosmic Ray Anomalies Sneutrino Dark Matter: Symmetry Protection and Cosmic Ray Anomalies

2009-06-19

arxiv.org/abs/0906.3540v2

Phys.Rev.D81:035019,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revised to match the published version; 11 pages (2 column format), 1 table, 6 figures, to appear in PRD

Scientific paper

10.1103/PhysRevD.81.035019

We present an R-parity conserving model of sneutrino dark matter within a Higgs-philic U(1)' extension of the minimal supersymmetric standard model. In this theory, the mu parameter and light Dirac neutrino masses are generated naturally upon the breaking of the U(1)' gauge symmetry. The leptonic and hadronic decays of sneutrinos in this model, taken to be the lightest and next-to-lightest superpartners, allow for a natural fit to the recent results reported by the PAMELA experiment.

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