Exposure Buildup Factors for Heavy Metal Oxide Glass: A Radiation Shield

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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  • Author: Manonara, S. R.

    Siddaganga Institute of Technology, India, Department of Physics

  • Author: Hanagodimath, S. M.

    Gulbarga University, India, Department of Physics

  • Author: Gerward, Leif

    Department of Physics, Technical University of Denmark, Fysikvej, 2800, Kongens Lyngby, Denmark

  • Author: Mittal, K. C.

    Bhabha Atomic Research Center, India, Electron Beam Center, APPD

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Gamma ray exposure buildup factors for three Heavy Metal Oxide (HMO) glass systems, viz. PbO-Bi2O3-B2O3, PbO-B2O3, and Bi2O3-B2O3 glasses are presented. The computations were done by interpolation method using the Geometric Progression fitting formula and ANSI/ANS-6.4.3 library for the energy range from 0.015 to 15 MeV, up to penetration depths of 40 mfp (mean free path). The buildup factors have been studied as functions of incident photon energy and penetration depth. The variations in the buildup factor, for all the glass systems, in different energy regions; have been presented in the form of graphs. Buildup factors of these HMO glasses cannot be found in any standard database, but they are useful for practical calculations in gamma ray shield designs, and they also, help to determine and control the thickness of the shielding material used.
Original languageEnglish
JournalKorean Physical Society. Journal
Publication date2011
Volume59
Issue2
Pages2039-2042
ISSN0374-4884
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 3

Keywords

  • Glasses, Buildup factor, Interaction of radiation with matter, Radiation shielding, Gamma radiation, Multiple scattering, G-P fitting formula
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