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Proton recoil spectra in spherical proportional counters calculated with finite element and Monte Carlo methods

Funded under: FP7-EURATOM

Abstract

Proton recoil spectra were calculated for various spherical proportional counters using Monte Carlo simulation combined with the finite element method. Electric field lines and strength were calculated by defining an appropriate mesh and solving the Laplace equation with the associated boundary conditions, taking into account the geometry of every counter. Thus, different regions were defined in the counter with various coefficients for the energy deposition in the Monte Carlo transport code MCNPX. Results from the calculations are in good agreement with measurements for three different gas pressures at various neutron energies.

Additional information

Authors: BENMOSBAH M, Laboratoire de Chimie Physique et Rayonnement Alain Chambaudet, Besançon (FR);GROETZ JE, Laboratoire de Chimie Physique et Rayonnement Alain Chambaudet, Besançon (FR);CROVISIER P, Service de Protection contre les Rayonnements, Is/Tille (FR);ASSELINEAU B, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);TRUFFERT H, AREVA NC, Établissement de la Hague, Beaumont-Hague (FR);CADIOU A, AREVA NC, Établissement de la Hague, Beaumont-Hague (FR)
Bibliographic Reference: An article published in: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 593, Issue 3, (2008), 7 pp.
Availability: This article can be accessed online by subscribers, and can be ordered online by non-subscribers, at: http://dx.doi.org/10.1016/j.nima.2008.05.047
Record Number: 200910154 / Last updated on: 2009-01-23
Category: PUBLICATION
Original language: en
Available languages: en