The effects of geometrical factors on microdosimetric probability distributions of energy deposition

M. Zaider, J. F. Dicello, J. J. Coyne

Research output: Contribution to journalArticle

Abstract

It is shown that energy deposited by external radiation in a simulated critical site, analogous to that of an integrated circuit, can be significantly altered by changing its shape as well as the magnitude of the volume, area or thickness. By a judicious choice of the shape of a sensitive site, the relative numbers of critical events can be reduced significantly without an increase in the volume of the device. Probability distributions for energy deposition (microdosimetric spectra) in a unit-density plastic volume have been calculated for exposures to monoenergetic neutrons with energies of 1 and 14 MeV to illustrate the dependency on shape as well as volume of both the distributions of events and the mean energies deposited.

Original languageEnglish (US)
Pages (from-to)1261-1265
Number of pages5
JournalNuclear Inst. and Methods in Physics Research, B
Volume40-41
Issue numberPART 2
DOIs
StatePublished - Apr 2 1989
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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