MCNP Monte Carlo N-Particle

A common program used for the calculation of efficiencies in volume sources is MCNP-Monte Carlo N-Particle... 

MCNP Monte Carlo N-Particle code - a computer program for simulating the process of gamma-ray detection, used in gamma spectrometry to generate mathematically efficiency curves. 

J. F. Biresmeister, MCNP - A General Monte-Carlo N-Particle Transport Code, Version 4B, LA-12625-M, 1997. 

The Monte Carlo N-Particle (MCNP) (version 4C2) code was used for most of the neutronics analyses by both organizations. 

X-5 Monte Carlo Team. 2003. MCNP—A General Monte Carlo N-particle Transport Code, Version 5 Volume IT. User s guide. Los Alamos, NM LA-GP-03-0245 Los Alamos National Laboratory (revised February 1,2008). 

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