Multicomponent dark matter in supersymmetric hidden sector extensions

Journal Article · Sat May 01 00:00:00 EDT 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.81.095017· OSTI ID:21409981

Feldman, Daniel ^[1]; Zuowei, Liu ^[2]; Nath, Pran; Peim, Gregory ^[3]

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1. Michigan Center for Theoretical Physics, Ann Arbor, Michigan 48104 (United States)
2. C.N. Yang Institute for Theoretical Physics, Stony Brook, New York 11794 (United States)
3. Department of Physics, Northeastern University, Boston, Massachusetts 02115 (United States)

Most analyses of dark matter within supersymmetry assume the entire cold dark matter arising only from weakly interacting neutralinos. We study a new class of models consisting of U(1){sup n} hidden sector extensions of the minimal supersymmetric standard model that includes several stable particles, both fermionic and bosonic, which can be interpreted as constituents of dark matter. In one such class of models, dark matter is made up of both a Majorana dark matter particle, i.e., a neutralino, and a Dirac fermion with the current relic density of dark matter as given by WMAP being composed of the relic density of the two species. These models can explain the PAMELA positron data and are consistent with the antiproton flux data, as well as the photon data from FERMI-LAT. Further, it is shown that such models can also simultaneously produce spin-independent cross sections which can be probed in CDMS-II, XENON-100, and other ongoing dark matter experiments. The implications of the models at the LHC and at the next linear collider (NLC) are also briefly discussed.

• OSTI ID: 21409981
• Journal Information: Physical Review. D, Particles Fields, Vol. 81, Issue 9; Other Information: DOI: 10.1103/PhysRevD.81.095017; (c) 2010 The American Physical Society; ISSN 0556-2821
• Country of Publication: United States
• Language: English

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