Note: The last version of MCNP5 was released in 2010, and there is little or no support for MCNP5 today. Users are encouraged to use the current version - MCNP6.

MCNP Manual

  • X-5 Monte Carlo Team, “MCNP – A General N-Particle Transport Code, Version 5”
  • Volume I: Overview and Theory, LA-UR-03-1987 (April, 2003).
  • Volume II: User’s Guide, LA-CP-03-0245 (April, 2003).
  • Volume III: Developer’s Guide, LA-CP-03-0284 (April, 2003).

MCNP5-1.60 Release

  • Forrest Brown, Brian Kiedrowski, Jeffrey Bull, "MCNP5-1.60 Release Notes", LA-UR-10-06235 (2010).
  • Brian Kiedrowski, Forrest Brown, Jeffrey Bull, et al., "MCNP5-1.60 Feature Enhancements and Manual Clarifications", LA-UR-10-06217 (2010).
  • Forrest Brown, Brian Kiedrowski, Jeffrey Bull, Matthew Gonzales, Nathan Gibson, " Verification of MCNP5-1.60", LA-UR-10-05611 (2010).

MCNP5-1.51 Release

  • F. B. Brown, J.S. Bull, J.T. Goorley, A. Sood, J.E. Sweezy, "MCNP5-1.51 Release Notes", LA-UR-09-00384 (2009).
  • T.E. Booth, F.B. Brown, J.S. Bull, et al, "MCNP5 1.50 Release Notes", LA-UR-08-2300 (2008).
  • A. Sood, "Testing of Photon Doppler Broadening in MCNP5-1.50 and MCNP5-1.51", LA-UR-09-0467 (2009).
  • F.B. Brown, J.E. Sweezy, J.S. Bull, A. Sood, "Verification of MCNP5 - Version 1.50", LA-UR-08-3443 (2008).

MCNP5-1.40 Release

MCNP5-1.30 Release

MCNP5-1.20 Release

  • X-5 Monte Carlo Team, "Patch to Update MCNP Version MCNP5_RSICC_1.14 to Version MCNP5_RSICC_1.20" , LA-UR-03-8102 (2003).

MCNP5-1.14 Release

MCNP5 Utility Programs

MCNP Primers

Additional verification-Validation

MCNP is distributed by the Radiation Safety Information Computational Center (RSICC) --- formerly, Radiation Shielding Information Center (RSIC), Oak Ridge, Tennessee.

There are versions for virtually all systems asked about (PC, Linux, Mac OS X, Sun Solaris, etc.). Please contact RSICC directly.

Operated by Triad National Security, LLC for the U.S. Department of Energy's NNSA | © Copyright Triad National Security, LLC. All rights reserved