Limits on spin-dependent WIMP-nucleon cross sections from the XENON10 experiment

J. Angle*, E. Aprile, F. Arneodo, L. Baudis, A. Bernstein, A. Bolozdynya, 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 Lopes, N. MaddenA. 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

*Corresponding author for this work

Research output: Contribution to journalArticle

189 Scopus citations

Abstract

XENON10 is an experiment to directly detect weakly interacting massive particles (WIMPs), which may comprise the bulk of the nonbaryonic dark matter in our Universe. We report new results for spin-dependent WIMP-nucleon interactions with Xe129 and Xe131 from 58.6live days of operation at the Laboratori Nazionali del Gran Sasso. Based on the nonobservation of a WIMP signal in 5.4kg of fiducial liquid xenon mass, we exclude previously unexplored regions in the theoretically allowed parameter space for neutralinos. We also exclude a heavy Majorana neutrino with a mass in the range of ∼10GeV/c2-2TeV/c2 as a dark matter candidate under standard assumptions for its density and distribution in the galactic halo.

Original languageEnglish (US)
Article number091301
JournalPhysical review letters
Volume101
Issue number9
DOIs
StatePublished - Aug 29 2008

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Angle, J., Aprile, E., Arneodo, F., Baudis, L., Bernstein, A., Bolozdynya, A., Coelho, L. C. C., Dahl, C. E., Deviveiros, L., Ferella, A. D., Fernandes, L. M. P., Fiorucci, S., Gaitskell, R. J., Giboni, K. L., Gomez, R., Hasty, R., Kastens, L., Kwong, J., Lopes, J. A. M., ... Yamashita, M. (2008). Limits on spin-dependent WIMP-nucleon cross sections from the XENON10 experiment. Physical review letters, 101(9), [091301]. https://doi.org/10.1103/PhysRevLett.101.091301