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A nuclear fragmentation energy deposition model.

D M Ngo1, J W Wilson, T N Fogarty

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

IEEE Transactions on Nuclear Science
|February 1, 1991
PubMed
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A new model for target fragment transport accurately predicts energy loss spectra in silicon devices. This approach successfully explains high-energy events not accounted for by existing intranuclear cascade models.

Area of Science:

  • Nuclear Physics
  • Materials Science

Background:

  • Energy loss spectra in silicon devices are crucial for understanding particle interactions.
  • Existing intranuclear cascade models have limitations in predicting high-energy events.

Purpose of the Study:

  • To present a novel formalism for target fragment transport.
  • To apply this formalism to energy loss spectra in silicon devices.
  • To validate the formalism against experimental data.

Main Methods:

  • Development of a target fragment transport formalism.
  • Utilization of a recommended nuclear data base.
  • Comparison with experimental measurements using surface barrier detectors.

Main Results:

Keywords:
NASA Discipline Number 04-10NASA Discipline Radiation HealthNASA Program Radiation Health

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  • The proposed formalism accurately represents energy loss spectra.
  • The model successfully explains high-energy events observed experimentally.
  • Agreement with McNulty et al.'s measurements using surface barrier detectors is high.

    • Conclusions:

    • The new formalism provides a robust method for analyzing target fragment transport.
    • This work advances the understanding of energy loss phenomena in silicon devices.
    • The model offers improved predictions for high-energy particle interactions.