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Related Experiment Videos

Magnetic field tracking with MCNP5.

J S Bul1, H G Hughes, P L Walstrom

  • 1Los Alamos National Laboratory, Los Alamos, NM 87545, USA. jsbull@lanl.gov

Radiation Protection Dosimetry
|April 11, 2006
PubMed
Summary
This summary is machine-generated.

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Two methods for tracking charged particles in magnetic fields were added to MCNP5. These techniques, transfer maps and particle ray tracing, offer different advantages for simulating particle transport in magnetic fields.

Area of Science:

  • Nuclear Engineering
  • Computational Physics
  • Particle Accelerators

Background:

  • The MCNP5 code now supports continuous-energy heavy charged particle transport.
  • Accurate simulation of charged particle behavior in magnetic fields is crucial for advanced applications.

Purpose of the Study:

  • To implement and evaluate two distinct methods for incorporating magnetic field effects into charged particle transport simulations within MCNP5.
  • To compare the performance and applicability of these two novel techniques.

Main Methods:

  • Transfer maps generated by COSY INFINITY for fast, accurate simulations in void cells with limited energy spread.
  • Particle ray tracing, adapted from the MARS code, for broader applicability in material cells and across a wide energy range.

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Main Results:

  • Both transfer map and particle ray tracing methods were successfully integrated into the proton transport capabilities of MCNP5.
  • A comparative analysis of particle tracking in a quadrupole 'identity lens' demonstrated the distinct strengths of each method.

Conclusions:

  • The inclusion of magnetic field tracking significantly enhances MCNP5's utility for charged particle simulations.
  • The choice between transfer maps and particle ray tracing depends on specific simulation requirements regarding cell type and particle energy spread.