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**Harvard**

Pozzi, S. och Pázsit, I. (2006) *Neutron Slowing Down in a Detector with Absorption*.

** BibTeX **

@article{

Pozzi2006,

author={Pozzi, Sara and Pázsit, Imre},

title={Neutron Slowing Down in a Detector with Absorption},

journal={Nuclear Science and Engineering},

issn={0029-5639},

volume={154},

issue={3},

pages={367 - 373 },

abstract={In a recent paper, we presented a simple analytical model to describe the statistics of the number of scattering collisions undergone by fast neutrons as they slow down until they are absorbed. In that study, we assumed that the moderator was infinite and homogeneous, and accounted for scattering and absorption by a single nuclear species. In the present paper, we extend that methodology to the more realistic case of neutron slowing down in a homogeneous mixture. The formulae are derived and evaluated numerically, and the results are found to be in very good agreement with corresponding Monte Carlo simulations. The average value of the number of collisions that a neutron undergoes before being captured is computed. The results for a capture-gated detector composed of hydrogen, carbon, and boron are discussed.},

year={2006},

keywords={Neutron slowing down, detectors, absorption, number of collisions, mixture},

}

** RefWorks **

RT Journal Article

SR Print

ID 24087

A1 Pozzi, Sara

A1 Pázsit, Imre

T1 Neutron Slowing Down in a Detector with Absorption

YR 2006

JF Nuclear Science and Engineering

SN 0029-5639

VO 154

IS 3

SP 367

OP 373

AB In a recent paper, we presented a simple analytical model to describe the statistics of the number of scattering collisions undergone by fast neutrons as they slow down until they are absorbed. In that study, we assumed that the moderator was infinite and homogeneous, and accounted for scattering and absorption by a single nuclear species. In the present paper, we extend that methodology to the more realistic case of neutron slowing down in a homogeneous mixture. The formulae are derived and evaluated numerically, and the results are found to be in very good agreement with corresponding Monte Carlo simulations. The average value of the number of collisions that a neutron undergoes before being captured is computed. The results for a capture-gated detector composed of hydrogen, carbon, and boron are discussed.

LA eng

OL 30