Volume 106, Number 5, June 2014
|Number of page(s)||4|
|Published online||10 June 2014|
The influence of the solvent in fast neutron/gamma discrimination
1 CEA, LIST Saclay, Laboratoire Capteurs et Architectures Électroniques - F-91191 Gif-sur-Yvette Cedex, France
2 GANIL, CEA/DSM-CNRS/IN2P3 - Bd H. Becquerel, Caen, France
Received: 12 February 2014
Accepted: 19 May 2014
The biphenyl/POPOP couple is known for its scintillation properties, but we describe in this letter its use for the discrimination between fast neutrons and gamma rays. More particularly, the influence of the matrix involved in this process is of interest, and for the first time pulse shape discrimination has been observed in non-common solvents such as heptane or ethanol. The discrimination efficiency of our systems is described in terms of figure of merit, angle between neutron and gamma lobes and scintillation performances.
PACS: 29.40.Mc – Scintillation detectors / 33.50.Dq – Fluorescence and phosphorescence spectra
© EPLA, 2014
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