Simulations of neutron and proton detection for a 4pi plastic scintillator detector

Tomislav Petkovic; N. Simicevic; R. Trezeciak; H. Ullrich

doi:10.1117/12.267856

27 February 1997 Simulations of neutron and proton detection for a 4π plastic scintillator detector

Tomislav Petkovic, N. Simicevic, R. Trezeciak, H. Ullrich

Proceedings Volume 2867, International Conference Neutrons in Research and Industry; (1997) https://doi.org/10.1117/12.267856
Event: Fifth International Conference on Applications of Nuclear Techniques: Neutrons in Research and Industry, 1996, Crete, Greece

Abstract

Neutron detection efficiencies for a 4 (pi) plastic scintillator detector were calculated with the Monte Carlo code of Cecil et al for various threshold of 2.5, 5, 7.5, 10 and 20 MeV_ee, assuming an isotropic distribution of neutrons emerging form the center of the target. A good agreement between the data obtained from the reaction (pi) ⁺⁴He yields pppn with 120 MeV pions and efficiency calculations has been found. Proton reaction losses for 15, 20 and 35 cm thick plastic detectors were calculated using the GEANT code for proton energies up to 150 MeV. Reaction losses were extracted from the simulated spectra. Our correction curve for proton reaction losses gives slightly higher values than the data of Measday and Serre and the calculation of Janni.

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Tomislav Petkovic, N. Simicevic, R. Trezeciak, and H. Ullrich "Simulations of neutron and proton detection for a 4π plastic scintillator detector", Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); https://doi.org/10.1117/12.267856

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KEYWORDS

Scintillators

Sensors

Monte Carlo methods

Carbon

Computer simulations

Signal attenuation

Absorption

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