Experimental characterization of discrimination capabilities of EJ-276 and EJ-276G read by SiMP by pulse-shape analysis techniques

E.V. Pagano, G. Politi, A. Simancas,E. De Filippo, P. Russotto, G. Cardella, A. Castoldi, E. Geraci, B. Gnoffo, M. Guarrera, C. Guazzoni, G. Lanzalone, C. Maiolino,N.S. Martorana, A. Pagano, S. Pirrone, F. Risitano, F. Rizzo, G. Santagati, M. Trimarchi

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2024）

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摘要

This work aims at the investigation of the Pulse Shape Discrimination (PSD) capabilities of two very compact detection systems composed of a 3x3x3 cm3 EJ 276 and a 3x3x3 cm3 EJ 276G (the latter green shifted version) plastic scintillators, both coupled to Silicon Photomultiplier (SiPM). The studied systems are supposed to be the basic elementary cell of a new multi-detector for simultaneous detection of neutrons and light charged particles called NArCoS (Neutron Array for Correlation Studies) having both high angular and energy resolution. In this perspective, the results of the experimental qualification of two prototypes with gamma and alpha radioactive sources and in beam tests are reported, in order to characterize the optimum choice for the new device.

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关键词

Neutron detector,Charged-particle detector,Plastic scintillator,Digital acquisition,Silicon Photomultiplier

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