Direct neutralino searches in the NMSSM with gravitino LSP in the degenerate scenario
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Direct neutralino searches in the NMSSM with gravitino LSP in the degenerate scenario

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Direct neutralino searches in the NMSSM with gravitino LSP in the degenerate scenario

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Barenboim Szuchman, Gabriela Alejandra Perfil; Panotopoulos, Grigoris
Aquest document és un/a article, creat/da en: 2011
In the present work a two-component dark matter model is studied adopting the degenerate scenario in the R-parity conserving NMSSM. The gravitino LSP and the neutralino NLSP are extremely degenerate in mass, avoiding the BBN bounds and obtaining a high reheating temperature for thermal leptogenesis. In this model both gravitino (absolutely stable) and neutralino (quasi-stable) contribute to dark matter, and direct detection searches for neutralino are discussed. Points that survive all the constraints correspond to a singlino-like neutralino.

    Barenboim Szuchman, Gabriela Alejandra Panotopoulos, Grigoris 2011 Direct neutralino searches in the NMSSM with gravitino LSP in the degenerate scenario Journal of High Energy Physics 2011 8 027
http://dx.doi.org/10.1007/JHEP08(2011)027
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