A search for light dark matter in XENON10 data

J. Angle , E. Aprile , F. Arneodo , L. Baudis , A. Bernstein , A. Bolozdynya , P. Brusov , L.C.C. Coelho

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C.E. Dahl L. DeViveiros A.D. Ferella L.M.P. Fernandes S. Fiorucci R.J. Gaitskell K.L. Giboni R. Gomez R. Hasty L. Kastens J. Kwong J.A.M. Lopes N. Madden A. Manalaysay A. Manzur D.N. McKinsey M.E. Monzani K. Ni U. Oberlack J. Orboeck G. Plante R. Santorelli J.M.F. dos Santos P. Shagin T. Shutt P. Sorensen S. Schulte C. Winant M. Yamashita

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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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A search for light dark matter in XENON10 data

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