Abstract
An analysis of spin independent neutralino-proton cross sections σSI(χp) that includes this low mass region is given. The analysis is done in minimal supersymmetric standard model (MSSM) with radiative electroweak symmetry breaking (REWSB). It is found that cross sections as large as 10⁻⁴⁰ cm2 can be accommodated in MSSM within the REWSB framework. However, inclusion of sparticle mass limits from current experiments, as well as lower limits on the Higgs searches from the Tevatron, and the current experimental upper limit on Bs→μ⁺μ⁻ significantly limit the allowed parameter space reducing σSI(χp) to lie below ∼10-41 cm2 or even lower for neutralino masses around 10 GeV. These cross sections are an order of magnitude lower than the cross sections needed to explain the reported data in the recent dark matter experiments in the low neutralino mass region.
Keywords
minimal supersymmetric standard model, MSSM, neutralinos
Subject Categories
Dark matter (Astronomy), Supersymmetry, Higgs bosons
Disciplines
Physics
Publisher
American Physical Society
Publication Date
6-3-2010
Rights Information
Copyright (2010) American Physical Society
Rights Holder
American Physical Society
Recommended Citation
Feldman, Daniel; Liu, Zuowei; and Nath, Pran, "Low mass neutralino dark matter in the minimal supersymmetric standard model with constraints from Bs→μ⁺μ⁻ and Higgs boson search limits" (2010). Physics Faculty Publications. Paper 464.
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Notes
Originally published in Physical Review D v.81 (2010): 117701. DOI: 10.1103/PhysRevD.81.117701