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Cross section parameterizations for cosmic-ray nuclei. II. Double nucleon removal.
1Physics Department, University of Wisconsin, La Crosse 54601, USA.
The Astrophysical Journal. Supplement Series
|January 1, 1994
Summary
New parameterizations describe how cosmic rays remove double nucleons from nuclei via electromagnetic and strong interactions. These models are crucial for understanding cosmic ray transport through space and matter.
Area of Science:
- Nuclear Physics
- Astrophysics
- Cosmic Ray Physics
Background:
- Cosmic rays interact with matter through various processes, including nucleon removal.
- Previous models focused on single nucleon removal, leaving a gap in understanding double nucleon removal.
- Accurate modeling of cosmic ray interactions is vital for astrophysics and space science.
Purpose of the Study:
- To present new parameterizations for double nucleon removal from nuclei.
- To extend existing models of single nucleon removal.
- To provide tools for simulating cosmic ray interactions in diverse environments.
Main Methods:
- Developed parameterizations based on electromagnetic and strong interaction theories.
- Integrated new parameterizations with existing single nucleon removal models.
- Validated models against established nuclear physics principles.
Main Results:
- Successfully parameterized double nucleon removal processes.
- Combined parameterizations account for the dominant part of electromagnetic dissociation.
- The new models offer improved accuracy for cosmic ray interaction simulations.
Conclusions:
- The presented parameterizations are essential for accurate cosmic ray transport studies.
- These models will enhance research in interstellar medium, atmospheric physics, and material science for space applications.
- This work advances the understanding of high-energy particle interactions with matter.
Keywords:
NASA Discipline Radiation Health