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First results from the XENON10 dark matter experiment at the Gran Sasso National Laboratory


Angle, J; Aprile, E; et al; Baudis, L (2008). First results from the XENON10 dark matter experiment at the Gran Sasso National Laboratory. Physical Review Letters, 100(2):021303.

Abstract

The XENON10 experiment at the Gran Sasso National Laboratory uses a 15 kg xenon dual phase time projection chamber to search for dark matter weakly interacting massive particles (WIMPs). The detector measures simultaneously the scintillation and the ionization produced by radiation in pure liquid xenon to discriminate signal from background down to 4.5 keV nuclear-recoil energy. A blind analysis of 58.6 live days of data, acquired between October 6, 2006, and February 14, 2007, and using a fiducial mass of 5.4 kg, excludes previously unexplored parameter space, setting a new 90% C.L. upper limit for the WIMP-nucleon spin-independent cross section of 8.8×10-44  cm2 for a WIMP mass of 100  GeV/c2, and 4.5×10-44  cm2 for a WIMP mass of 30  GeV/c2. This result further constrains predictions of supersymmetric models.

Abstract

The XENON10 experiment at the Gran Sasso National Laboratory uses a 15 kg xenon dual phase time projection chamber to search for dark matter weakly interacting massive particles (WIMPs). The detector measures simultaneously the scintillation and the ionization produced by radiation in pure liquid xenon to discriminate signal from background down to 4.5 keV nuclear-recoil energy. A blind analysis of 58.6 live days of data, acquired between October 6, 2006, and February 14, 2007, and using a fiducial mass of 5.4 kg, excludes previously unexplored parameter space, setting a new 90% C.L. upper limit for the WIMP-nucleon spin-independent cross section of 8.8×10-44  cm2 for a WIMP mass of 100  GeV/c2, and 4.5×10-44  cm2 for a WIMP mass of 30  GeV/c2. This result further constrains predictions of supersymmetric models.

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Additional indexing

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 10:49
Last Modified:26 Jan 2017 08:46
Publisher:American Physical Society
ISSN:0031-9007
Publisher DOI:https://doi.org/10.1103/PhysRevLett.100.021303
Related URLs:http://arxiv.org/abs/0706.0039

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