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Related Experiment Videos

Cross section parameterizations for cosmic-ray nuclei. I. Single nucleon removal.

J W Norbury1, L W Townsend

  • 1Physics Department, University of Wisconsin, La Crosse 54601.

The Astrophysical Journal. Supplement Series
|May 1, 1993
PubMed
Summary

New parameterizations describe how cosmic rays interact with nuclei via electromagnetic and strong forces. These models aid in understanding cosmic-ray propagation through space, atmospheres, and habitats.

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Area of Science:

  • Nuclear astrophysics
  • Cosmic ray physics

Background:

  • Cosmic rays interact with matter through electromagnetic and strong nuclear forces.
  • Understanding these interactions is crucial for modeling cosmic ray propagation.
  • Existing models may require updates for specific environments.

Purpose of the Study:

  • To present new parameterizations for single nucleon removal.
  • To cover both electromagnetic and strong interaction pathways.
  • To provide tools for cosmic ray propagation studies.

Main Methods:

  • Utilized theoretical models from Baur, Bertulani, Benesh, Cook, Vary, Norbury, and Townsend.
  • Developed parameterizations based on established nuclear physics principles.
  • Focused on single nucleon removal cross-sections.
Keywords:
NASA Discipline Number 45-10NASA Discipline Radiation HealthNASA Program Radiation Health

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Main Results:

  • Provided robust parameterizations for nucleon removal.
  • Models account for interactions with various nuclei.
  • Applicable across diverse astrophysical and terrestrial environments.

Conclusions:

  • The presented parameterizations are suitable for cosmic-ray propagation.
  • These models enhance simulations in interstellar space and planetary environments.
  • Facilitates research in space radiation and astromaterials.