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arxiv: 1104.3088 · v4 · pith:HSWKZIDInew · submitted 2011-04-15 · 🌌 astro-ph.CO · hep-ex· hep-ph

A search for light dark matter in XENON10 data

classification 🌌 astro-ph.CO hep-exhep-ph
keywords darkmatterdatalightparticlesearchxenon10analysis
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We report results of a search for light (<10 GeV) particle dark matter with the XENON10 detector. The event trigger was sensitive to a single electron, with the analysis threshold of 5 electrons corresponding to 1.4 keV nuclear recoil energy. Considering spin-independent dark matter-nucleon scattering, we exclude cross sections \sigma_n>3.5x10^{-42} cm^2, for a dark matter particle mass m_{\chi}=8 GeV. We find that our data strongly constrain recent elastic dark matter interpretations of excess low-energy events observed by CoGeNT and CRESST-II, as well as the DAMA annual modulation signal.

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