First results from the XENON10 dark matter experiment at the gran sasso national laboratory

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

Research output: Contribution to journalArticlepeer-review


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 8.8×10-44cm2 for a WIMP mass of 100GeV/c2, and 4.5×10-44cm2 for a WIMP mass of 30GeV/c2. This result further constrains predictions of supersymmetric models.

Original languageEnglish (US)
Article number021303
JournalPhysical Review Letters
Issue number2
StatePublished - Jan 17 2008

ASJC Scopus subject areas

  • General Physics and Astronomy


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