Implications of a possible 115 GeV supersymmetric Higgs boson on detection and cosmological abundance of relic neutralinos

Details Implications of a possible 115 GeV supersymmetric Higgs boson on detection and cosmological abundance of relic neutralinos Implications of a possible 115 GeV supersymmetric Higgs boson on detection and cosmological abundance of relic neutralinos

2000-12-29

arxiv.org/abs/hep-ph/0012377v2

Nucl.Phys. B608 (2001) 461-474

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 6 figures, typeset with ReVTeX. The new version containes extended analysis. In order to reduce size, the version on

Scientific paper

10.1016/S0550-3213(01)00273-5

We show that a supersymmetric neutral Higgs boson with a mass of about 115 GeV and with the other prerequisites required by the LEP Higgs events would be compatible with the detection of relic neutralinos in current set-ups for WIMP direct search. Thus this putative Higgs would fit remarkably well in an interpretation in terms of relic neutralinos of the annual-modulation effect recently measured in a WIMP direct experiment. We also show that the cosmological abundance of the relevant neutralinos reaches values of cosmological interest.

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