Abstract
Very light right-handed (RH) sneutrinos in the Next-to-Minimal Supersymmetric Standard Model can be viable candidates for cold dark matter. Very light RH sneutrinos can annihilate into either a fermion-antifermion pair, very light pseudo scalars or RH neutrinos. We investigate the prospects for their direct detection and the implications for Higgs phenomenology for each cases. We also calculate the gamma ray flux from RH sneutrino annihilation in the Galactic center.
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Acknowledgements
D.G.C. is supported by the Ramón y Cajal program of the Spanish MICINN. O.S. is partially supported by the scientific research grants from Hokkai-Gakuen. This work was supported by the Spanish MICINNs Consolider-Ingenio 2010 Programme under grant MultiDark CSD2009-00064, the MICINN under grant FPA2009-08958, the Community of Madrid under grant HEPHACOS S2009/ESP-1473, and the European Union under the Marie Curie-ITN program PITN-GA-2009-237920.
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Cerdeño, D.G., Huh, JH., Peiró, M., Seto, O. (2013). Light Sneutrino Dark Matter in the NMSSM. In: Cline, D. (eds) Sources and Detection of Dark Matter and Dark Energy in the Universe. Springer Proceedings in Physics, vol 148. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-7241-0_7
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DOI: https://doi.org/10.1007/978-94-007-7241-0_7
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