Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2013/07/023
Keywords
dark matter theory; dark matter detectors; dark matter experiments
Funding
- Danish Council for Independent Research [11-120829]
- Studienstiftung des Deutschen Volkes, STFC U.K.
- Leathersellers' Company Scholarship at St Catherine's College, Oxford
- EU Marie Curie Initial Training Network 'UNILHC' [PITN-GA-2009-237920]
- German Science Foundation (DFG) under the Collaborative Research Center (SFB) [676]
- STFC [ST/J000507/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000507/1] Funding Source: researchfish
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The CDMS-II collaboration has reported 3 events in a Si detector, which are consistent with being nuclear recoils due to scattering of Galactic dark matter particles with a mass of similar to 8.6 GeV and a cross-section on neutrons of similar to 2 x 10(-41) cm(2). While a previous result from the XENON10 experiment has supposedly ruled out such particles as dark matter, we find by reanalysing the XENON10 data that this is not the case. Some tension remains however with the upper limit placed by the XENON100 experiment, independently of astrophysical uncertainties concerning the Galactic dark matter distribution. We explore possible ways of ameliorating this tension by altering the properties of dark matter interactions. Nevertheless, even with standard couplings, light dark matter is consistent with both CDMS and XENON10/100.
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