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Table-top neutron source for characterization and calibration of dark matter detectors

Appl. Phys. Lett. 80, 3009 (2002); doi:10.1063/1.1469217

Issue Date: 22 April 2002

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F. N. Beg, K. Krushelnick, C. Gower, S. Torn, and A. E. Dangor
Plasma Physics Group, Blackett Laboratory, Imperial College, London SW7 2BZ, United Kingdom

A. Howard, T. Sumner, A. Bewick, V. Lebedenko, J. Dawson, D. Davidge, M. Joshi, and J. R. Gillespie
Dark Matter Group, Blackett Laboratory, Imperial College, London SW7 2BZ, United Kingdom
A table-top plasma focus device is shown to be an ideal neutron source for the calibration and characterization of dark matter detectors and has been optimized to produce a maximum yield of 2.0×107 neutrons per shot. The interaction of energetic neutrons is similar to that expected from weakly interacting massive particles (WIMPs)—a favored candidate for the dominant component of dark matter in the universe. The weak interaction of a neutron with liquid xenon gas was measured in a prototype xenon two-phase detector. We have developed a detector system in which both the primary scintillation and ionization from the initial interaction can be detected. Both measurements are critical for identifying WIMP's. ©2002 American Institute of Physics.
History: Received 19 November 2001; accepted 19 February 2002
Permalink: http://link.aip.org/link/?APPLAB/80/3009/1
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KEYWORDS and PACS

Keywords
PACS
  • 29.25.Dz
    Experimental methods and instrumentation for elementary-particle and nuclear physics Particle sources and targets Neutron sources
  • 95.55.Vj
    Fundamental astronomy and astrophysics; instrumentation, techniques, and astronomical observations Astronomical and space-research instrumentation Neutrino, muon, pion, and other elementary particle detectors; cosmic ray detectors
  • 29.40.Cs
    Experimental methods and instrumentation for elementary-particle and nuclear physics Radiation detectors Gas-filled counters: ionization chambers, proportional, and avalanche counters
  • 29.40.Mc
    Experimental methods and instrumentation for elementary-particle and nuclear physics Radiation detectors Scintillation detectors
  • 06.20.Fn
    Metrology, measurements, and laboratory procedures Metrology Units and standards
  • 14.80.-j
    Properties of specific particles Other particles (including hypothetical)
  • YEAR: 2002

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (15)

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