Higgsino dark matter model consistent with galactic cosmic ray data and possibility of discovery at LHC-7

Details Higgsino dark matter model consistent with galactic cosmic ray data and possibility of discovery at LHC-7 Higgsino dark matter model consistent with galactic cosmic ray data and possibility of discovery at LHC-7

2010-10-05

arxiv.org/abs/1010.0939v2

Phys.Rev.D83:023506,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure, Physical Review D

Scientific paper

10.1103/PhysRevD.83.023506

A solution to the PAMELA positron excess with Higgsino dark matter within extended supergravity grand unified (SUGRA) models is proposed. The models are compliant with the photon constraints recently set by Fermi-LAT and produce positron as well as antiproton fluxes consistent with the PAMELA experiment. The SUGRA models considered have an extended hidden sector with extra degrees of freedom which allow for a satisfaction of relic density consistent with WMAP. The Higgsino models are also consistent with the CDMS-II and XENON100 data and are discoverable at LHC-7 with 1 fb^(-1) of luminosity. The models are testable on several fronts.

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