Dark Matter Phenomenology of GUT-less SUSY Breaking
作者： Pearl Sandick
DOI:
关键词: Electroweak interaction 、 Particle physics 、 Minimal Supersymmetric Standard Model 、 Supersymmetry breaking 、 Gravitino 、 Neutralino 、 Symmetry breaking 、 Warm dark matter 、 Supersymmetry 、 Physics
摘要: We study models in which supersymmetry breaking appears at an intermediate scale, M_in, below the GUT scale. That is, that soft supersymmetry-breaking parameters of MSSM are universal M_in. demand lightest neutralino be LSP, and relic density not conflict with measurements by WMAP others, morphology this constraint as universality scale is reduced from At moderate values we find allowed regions (m_1/2,m_0) plane squeezed requirements electroweak symmetry whereas on less severe. very low vacuum conditions become dominant constraint, a secondary source astrophysical cold dark matter would necessary to explain measured for nearly all SUSY-breaking tan(beta).
harvard.edu
arxiv.org参考文章(5)
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