Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 668, Issue -, Pages 88-93Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2011.11.071
Keywords
Organic scintillator; Plastic scintillator; PPO; DPA; Neutron detection; Pulse shape discrimination
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A possibility of manufacturing plastic scintillators with efficient neutron/gamma pulse shape discrimination (PSD) is demonstrated using a system of a polyvinyltoluene (PVT) polymer matrix loaded with a scintillating dye, 2,5-diphenyloxazole (PPO). Similarities and differences of conditions leading to the rise of PSD in liquid and solid organic scintillators are discussed based on the classical model of excited state interaction and delayed light formation. First characterization results are presented to show that PSD in plastic scintillators can be of the similar magnitude or even higher than in standard commercial liquid scintillators. (C) 2011 Elsevier B.V. All rights reserved.
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