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Limits on spin-dependent WIMP-nucleon cross sections from the XENON10 experiment


Angle, J; Baudis, L; Ferella, A D; et al; Manalaysay, A (2008). Limits on spin-dependent WIMP-nucleon cross sections from the XENON10 experiment. Physical Review Letters, 101(9):091301.

Abstract

XENON10 is an experiment to directly detect weakly interacting massive particles (WIMPs), which may comprise the bulk of the nonbaryonic dark matter in our Universe. We report new results for spin-dependent WIMP-nucleon interactions with 129Xe and 131Xe from 58.6 live days of operation at the Laboratori Nazionali del Gran Sasso. Based on the nonobservation of a WIMP signal in 5.4 kg of fiducial liquid xenon mass, we exclude previously unexplored regions in the theoretically allowed parameter space for neutralinos. We also exclude a heavy Majorana neutrino with a mass in the range of ∼10  GeV/c2–2  TeV/c2 as a dark matter candidate under standard assumptions for its density and distribution in the galactic halo.

Abstract

XENON10 is an experiment to directly detect weakly interacting massive particles (WIMPs), which may comprise the bulk of the nonbaryonic dark matter in our Universe. We report new results for spin-dependent WIMP-nucleon interactions with 129Xe and 131Xe from 58.6 live days of operation at the Laboratori Nazionali del Gran Sasso. Based on the nonobservation of a WIMP signal in 5.4 kg of fiducial liquid xenon mass, we exclude previously unexplored regions in the theoretically allowed parameter space for neutralinos. We also exclude a heavy Majorana neutrino with a mass in the range of ∼10  GeV/c2–2  TeV/c2 as a dark matter candidate under standard assumptions for its density and distribution in the galactic halo.

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Additional indexing

Contributors:XENON10 Collaboration
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2008
Deposited On:05 Feb 2010 10:39
Last Modified:07 Dec 2017 00:16
Publisher:American Physical Society
ISSN:0031-9007
Publisher DOI:https://doi.org/10.1103/PhysRevLett.101.091301
Related URLs:http://arxiv.org/abs/0805.2939

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