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On the conversion coefficients for cosmic ray dosimetry.

A Ferrari1, M Pelliccioni

  • 1CERN, 1211 Geneva 23, Switzerland.

Radiation Protection Dosimetry
|October 21, 2003
PubMed
Summary
This summary is machine-generated.

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This study expands radiation dose calculations beyond standard geometries to better estimate cosmic radiation exposure for aircrews. New conversion coefficients for semi-isotropic and top-down irradiation improve accuracy for forward-peaked radiation fields.

Area of Science:

  • Radiation Dosimetry
  • Aviation Health

Background:

  • Standard radiation dose calculations use limited geometries (AP, PA, RLAT, LLAT, ROT, ISO).
  • Estimating aircrew cosmic radiation dose often assumes isotropic incidence, which is inaccurate for forward-peaked high-energy radiation.

Purpose of the Study:

  • To extend fluence-to-effective dose conversion coefficients to new irradiation geometries.
  • To improve the accuracy of dose estimations for aircrew exposed to cosmic radiation.

Main Methods:

  • Calculated new fluence-to-effective dose conversion coefficients.
  • Included semi-isotropic and top-down irradiation geometries.

Main Results:

  • Presented new conversion coefficients for non-standard irradiation geometries.

Related Experiment Videos

  • Demonstrated the application of these coefficients to cosmic ray dosimetry.

    • Conclusions:

    • Extended conversion coefficients provide more accurate dose estimations for aircrew.
    • Addressing non-isotropic radiation fields is crucial for aviation radiation protection.