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p-Terphenyl: An alternative to liquid scintillators for neutron detection

A. Sardet ; C. Varignon ; B. Laurent ; T. Granier ; Andreas Oberstedt (Institutionen för fundamental fysik)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment (0168-9002). Vol. 792 (2015), p. 74-80.
[Artikel, refereegranskad vetenskaplig]

A derailed characterization of doped paralerphenyl (p-Terphenyl) neutron detectors was obtained by means of gamma-sources and a Cf-252 fission chamber. The intrinsic Liming resolution, the energy resolution up to 2 MeVee, and the electron equivalent energy calibration were determined using gamma-sources. The neutron time-of-flight spectrum from the spontaneous fission of Cf-252 provided information On the proton energy calibration, the light output function, and the intrinsic neutron detection efficiency between 0 and 8 MeV for a threshold 01250 keV. Measurements of the latter were also performed using monoenergetic neutron beams. The applied experimental methods were cross-checked using two BC501A scintillation detectors, which were previously calibrated at the Physikalisch-Technische Bundesanstalt in Braunschweig, Germany. Results were compared to Monte-Carlo simulations performed using NRESP7 and NEFF7 codes. (C) 2015 Elsevier B.V. All rights reserved.

Nyckelord: P-Terphenyl detector, Intrinsic efficiency, Light output, Timing resolution, Energy calibration

Denna post skapades 2015-07-06.
CPL Pubid: 219468


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Institutioner (Chalmers)

Institutionen för fundamental fysik (2005-2015)


Acceleratorfysik och instrumentering

Chalmers infrastruktur