Neutron background in large-scale xenon detectors for dark matter searches

Details Neutron background in large-scale xenon detectors for dark matter searches Neutron background in large-scale xenon detectors for dark matter searches

2004-04-30

arxiv.org/abs/hep-ex/0404042v1

Astropart.Phys.21:667-687,2004

Physics

High Energy Physics

High Energy Physics - Experiment

35 pages, 13 figures, 2 tables, accepted for publication in Astroparticle Physics

Scientific paper

10.1016/j.astropartphys.2004.05.

Simulations of the neutron background for future large-scale particle dark matter detectors are presented. Neutrons were generated in rock and detector elements via spontaneous fission and (alpha,n) reactions, and by cosmic-ray muons. The simulation techniques and results are discussed in the context of the expected sensitivity of a generic liquid xenon dark matter detector. Methods of neutron background suppression are investigated. A sensitivity of $10^{-9}-10^{-10}$ pb to WIMP-nucleon interactions can be achieved by a tonne-scale detector.

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