Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 491, Issue 3, Pages 460-469Publisher
ELSEVIER
DOI: 10.1016/S0168-9002(02)01274-3
Keywords
dark matter; CsI(Tl); CsI(Na); PSD; quality factor; quenching factor
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We have studied the response of Tl- and Na-doped CsI crystals to nuclear recoils and gamma's below 10 keV. The response of CsI crystals to nuclear recoil was studied with mono-energetic neutrons produced by the H-3(p, n)He-3 reaction. This was compared to the response to Compton electrons scattered by 662 keV gamma-ray. Pulse shape discrimination between the response to these gamma's and nuclear recoils was studied, and quality factors were estimated. The quenching factors for nuclear recoils were derived for both CsI(Na) and CsI(Tl) crystals. (C) 2002 Elsevier Science B.V. All rights reserved.
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