Monte Carlo models of neutron detection with organic scintillators

Sara A. Pozzi, Marek Flaska, Imre Pazsit, Andreas Enqvist

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We describe the use of the MCNP-PoliMi code to simulate, on an event-by-event basis, the detection of neutrons by organic scintillators. This code keeps track of single neutron interactions, including the collision nucleus, the energy deposited, and the time distribution of collision events. We show that the total pulse-height response is given by the sum of many possible neutron histories, each composed of a certain number of neutron scatterings on hydrogen and/or on carbon. The simulated pulse-height distributions are compared to experimental data acquired using various neutron sources. Simulations and measurements of neutron pulse-height distributions are essential for neutron spectrum unfolding procedures. This work has applications in the areas of nuclear nonproliferation and homeland security.

Original languageEnglish (US)
Title of host publicationJoint International Topical Meeting on Mathematics and Computations and Supercomputing in Nuclear Applications, M and C + SNA 2007
StatePublished - Dec 3 2007
EventJoint International Topical Meeting on Mathematics and Computations and Supercomputing in Nuclear Applications, M and C + SNA 2007 - Monterey, CA, United States
Duration: Apr 15 2007Apr 19 2007

Other

OtherJoint International Topical Meeting on Mathematics and Computations and Supercomputing in Nuclear Applications, M and C + SNA 2007
CountryUnited States
CityMonterey, CA
Period4/15/074/19/07

All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Nuclear and High Energy Physics

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    Pozzi, S. A., Flaska, M., Pazsit, I., & Enqvist, A. (2007). Monte Carlo models of neutron detection with organic scintillators. In Joint International Topical Meeting on Mathematics and Computations and Supercomputing in Nuclear Applications, M and C + SNA 2007