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- W2001066711 abstract "We present an $R$-parity conserving model of sneutrino dark matter within a Higgsphilic $U(1{)}^{ensuremath{'}}$ extension of the minimal supersymmetric standard model. In this theory, the $ensuremath{mu}$ parameter and light Dirac neutrino masses are generated naturally upon the breaking of the $U(1{)}^{ensuremath{'}}$ gauge symmetry. One of the right-handed sneutrinos is the lightest supersymmetric particle. The leptonic and hadronic decays of another sneutrino, taken to be the next-to-lightest superpartner, allow for a natural fit to the recent results reported by the PAMELA experiment. We perform a detailed calculation of the dark matter relic density in this scenario, and show that the model is consistent with the ATIC and Fermi LAT experiments." @default.
- W2001066711 created "2016-06-24" @default.
- W2001066711 creator A5014171443 @default.
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- W2001066711 creator A5056747466 @default.
- W2001066711 creator A5083061602 @default.
- W2001066711 creator A5089522260 @default.
- W2001066711 date "2010-02-26" @default.
- W2001066711 modified "2023-09-25" @default.
- W2001066711 title "Sneutrino dark matter: Symmetry protection and cosmic ray anomalies" @default.
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