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[formula omitted]crystals as detectors for [formula omitted]decay and dark matter experiments

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
0168-9002
Publisher
Elsevier
Publication Date
Volume
544
Issue
3
Identifiers
DOI: 10.1016/j.nima.2005.01.303
Keywords
  • [Formula Omitted]Crystal Scintillators
  • Double Beta Decay
  • Dark Matter
Disciplines
  • Physics

Abstract

Abstract Energy resolution, α / β ratio, and the pulse shape discrimination ability of the ZnWO 4 crystal scintillators were studied. The radioactive contamination of a ZnWO 4 crystal was investigated in the Solotvina Underground Laboratory. Possibilities to apply ZnWO 4 crystals for the dark matter and double beta decay searches are discussed. New improved half-life limits on double beta decay in zinc isotopes were established, in particular, for ɛ β + decay of 64 Zn as: T 1 / 2 2 ν ⩾ 8.9 × 10 18 years and T 1 / 2 0 ν ⩾ 3.6 × 10 18 years, both at 68% CL.

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