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A Green's function method for high charge and energy ion transport.

S Y Chun1, G S Khandelwal, J W Wilson

  • 1Old Dominion University, Physics Department, Norfolk, Virginia 23529, USA.

Nuclear Science and Engineering : the Journal of the American Nuclear Society
|February 1, 1996
PubMed
Summary

A new heavy-ion transport code was developed using Green's function methods. This code shows improved agreement for neon ion transport and reasonable agreement for argon ion transport, advancing nuclear physics simulations.

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Area of Science:

  • Nuclear physics
  • Computational physics
  • Radiation transport

Background:

  • Accurate simulation of heavy-ion transport is crucial for nuclear physics research and applications.
  • Existing models may have limitations in precisely predicting the behavior of heavy ions through matter.

Purpose of the Study:

  • To develop and validate a novel heavy-ion transport code.
  • To improve the accuracy of simulations for heavy-ion interactions with matter.

Main Methods:

  • Development of a heavy-ion transport code utilizing Green's function methods.
  • Incorporation of low-order perturbation terms as dominant energy-dependent terms.
  • Evaluation of higher-order collision terms using nonperturbative methods.
  • Utilizing the revised NUCFRG database for calculations.

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Main Results:

  • The code demonstrated improved agreement with experimental data for the attenuation characteristics of 625A MeV 20Ne ions.
  • Reasonable agreement was achieved for the transport simulation of 517A MeV 40Ar ions in water.
  • Validation against experimental data for specific heavy-ion beams.

Conclusions:

  • The developed Green's function-based heavy-ion transport code offers enhanced accuracy for simulating ion interactions.
  • The findings support the utility of the NUCFRG database and the employed computational methods for nuclear transport studies.