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Proceedings Paper

Study and understanding of n/γ discrimination processes in organic plastic scintillators
Author(s): Matthieu Hamel; Pauline Blanc; Licinio Rocha; Stéphane Normand; Robert Pansu
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Paper Abstract

For 50 years, it was assumed that unlike liquid scintillators or organic crystals, plastic scintillators were not able to discriminate fast neutrons from gamma. In this work, we will demonstrate that triplet-triplet annihilations (which are responsible of n/γ discrimination) can occur even in plastic scintillators, following certain conditions. Thus, the presentation will deal with the chemical preparation, the characterization and the comparison of n/γ pulse shape discrimination of various plastic scintillators. To this aim, scale-up of the process allowed us to prepare a Ø 100 mm × ≈ 110 mm thick.

Paper Details

Date Published: 29 May 2013
PDF: 7 pages
Proc. SPIE 8710, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV, 87101F (29 May 2013); doi: 10.1117/12.2011330
Show Author Affiliations
Matthieu Hamel, Lab. Capteurs et Architectures Électroniques, CEA, LIST (France)
Pauline Blanc, Lab. Capteurs et Architectures Électroniques, CEA, LIST (France)
Lab. de Photophysique et de Photochimie Supramoléculaire et Macromoléculaires ,CNRS, ENS Cachan (France)
Licinio Rocha, Lab. Capteurs et Architectures Électroniques, CEA, LIST (France)
Stéphane Normand, Lab. Capteurs et Architectures Électroniques, CEA, LIST (France)
Robert Pansu, Lab. de Photophysique et de Photochimie Supramoléculaire et Macromoléculaires ,CNRS, ENS Cachan (France)


Published in SPIE Proceedings Vol. 8710:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV
Augustus Way Fountain, Editor(s)

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