The MCLIB library: Monte Carlo simulation of neutron scattering instruments

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Monte Carlo is a method to integrate over a large number of variables. Random numbers are used to select a value for each variable, and the integrand is evaluated. The process is repeated a large number of times and the resulting values are averaged. For a neutron transport problem, first select a neutron from the source distribution, and project it through the instrument using either deterministic or probabilistic algorithms to describe its interaction whenever it hits something, and then (if it hits the detector) tally it in a histogram representing where and when it was detected. This is intended to ... continued below

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60 p.

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Seeger, P.A. September 1, 1995.

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Description

Monte Carlo is a method to integrate over a large number of variables. Random numbers are used to select a value for each variable, and the integrand is evaluated. The process is repeated a large number of times and the resulting values are averaged. For a neutron transport problem, first select a neutron from the source distribution, and project it through the instrument using either deterministic or probabilistic algorithms to describe its interaction whenever it hits something, and then (if it hits the detector) tally it in a histogram representing where and when it was detected. This is intended to simulate the process of running an actual experiment (but it is much slower). This report describes the philosophy and structure of MCLIB, a Fortran library of Monte Carlo subroutines which has been developed for design of neutron scattering instruments. A pair of programs (LQDGEOM and MC{_}RUN) which use the library are shown as an example.

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60 p.

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INIS; OSTI as DE96000042

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  • ICANS-XIII: 13. international collaboration on advanced neutron sources, Villigen (Switzerland), 11-14 Oct 1995

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  • Other: DE96000042
  • Report No.: LA-UR--95-2937
  • Report No.: CONF-9510212--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 106612
  • Archival Resource Key: ark:/67531/metadc619811

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  • September 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 25, 2016, 8:49 p.m.

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Seeger, P.A. The MCLIB library: Monte Carlo simulation of neutron scattering instruments, article, September 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc619811/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.