Dose distributions in regions containing beta sources: Large spherical source regions in a homogeneous medium

Barry L. Werner, Cheuk S. Kwok, Indra J. Das

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Abstract

The energy averaged Boltzmann equation model is applied to the determination of dose distributions in infinite, homogeneous media with uniform, monoenergetic, isotropic source distributions in spherical regions of radius larger than the electron range. The generalization to the case of spherically symmetric source distributions is made. Comparisons with dose distributions calculated by the integration of dose point kernels derived from Monte Carlo calculations are presented.

Original languageEnglish (US)
Pages (from-to)358-363
Number of pages6
JournalMedical physics
Volume15
Issue number3
DOIs
StatePublished - May 1988

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Keywords

  • BETA SOURCES
  • BOLTZMANN EQUATION
  • ELECTRON DOSIMETRY
  • KERNELS
  • MONTE CARLO METHOD
  • RADIATION DOSE DISTRIBUTIONS
  • RADIOIMMUNOTHERAPY
  • RADIONUCLIDE ADMINISTRATION

ASJC Scopus subject areas

  • Biophysics
  • Radiology Nuclear Medicine and imaging

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