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dc.contributor.authorCerdeño, David G.-
dc.contributor.authorMuñoz, Carlos-
dc.contributor.authorSeto, Osamu-
dc.date.accessioned2008-08-22T08:02:07Z-
dc.date.available2008-08-22T08:02:07Z-
dc.date.issued2008-07-18-
dc.identifier.citationarXiv:0807.3029v1 [hep-ph]en_US
dc.identifier.urihttp://hdl.handle.net/10261/6852-
dc.description4 pages, 2 figures.en_US
dc.description.abstractWe study an extension of the MSSM with a singlet S with coupling SH1H2 in order to solve the μ problem as in the NMSSM, and right-handed neutrinos N with couplings SNN in order to generate dynamically electroweak-scale Majorana masses. We show how in this model a purely right-handed sneutrino can be a viable candidate for cold dark matter in the Universe. Through the direct coupling to the singlet, the sneutrino can not only be thermal relic dark matter but also have a large enough scattering cross section with nuclei to detect it directly in near future, in contrast with most of other right-handed sneutrino dark matter models.en_US
dc.description.sponsorshipD.G.C. was supported by the program "Juan de la Cierva" of the Spanish MEC. C.M. was supported in part by the Spanish DGI of the MEC under Proyecto Nacional FPA2006-05423 and by the European Union under the RTN program MRTN-CT-2004-503369. Likewise, the work of D.G.C and C.M, was also supported in part by the Spanish DGI of the MEC under Proyecto Nacional FPA2006-01105, and by the EU network MRTN-CT-2006-035863. O.S. was supported by the MEC project FPA 2004-02015. We thank the ENTApP Network of the ILIAS project RII3-CT-2004-506222 and the project HEPHACOS P-ESP-00346 of the Comunidad de Madrid.en_US
dc.format.extent234310 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.relation.ispartofseriesIFT-UAM/CSIC-08-47en_US
dc.relation.ispartofseriesFTUAM-08/12en_US
dc.relation.isversionofPreprint-
dc.rightsopenAccessen_US
dc.subjectHigh Energy Physics - Phenomenologyen_US
dc.subjectAstrophysicsen_US
dc.titleRight-handed sneutrino as thermal dark matteren_US
dc.typepreprinten_US
dc.description.peerreviewedPeer revieweden_US
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