Energy absorption buildup factors for thermoluminescent dosimetric materials and their tissue equivalence

S.R. Manohara, S.M. Hanagodimath, Leif Gerward

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Gamma ray energy-absorption buildup factors were computed using the five-parameter geometric progression (G-P) fitting formula for seven thermoluminescent dosimetric (TLD) materials in the energy range 0.015-15 MeV, and for penetration depths up to 40 mfp (mean free path). The generated energy-absorption buildup factor data have been studied as a function of penetration depth and incident photon energy. Buildup factors determined in the present work should be useful in radiation dosimetry, diagnostics and therapy. The tissue equivalence of TLD materials is also discussed.
Original languageEnglish
JournalRadiation Physics and Chemistry
Volume79
Issue number5
Pages (from-to)575-582
ISSN0969-806X
DOIs
Publication statusPublished - 2010

Keywords

  • Gamma ray
  • Buildup factor
  • Tissue equivalence
  • Effective atomic number
  • Dosimetry
  • Thermoluminescence

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