Efficiency of a bismuth-germanate scintillator: comparison of Monte Carlo calculations with measurements

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Monte Carlo calculations of a bismuth-germanate scintillator's efficiency agree closely with experimental measurements. For this comparison, we studied the absolute gamma-ray photopeak efficiency of a scintillator (7.62 cm long by 7.62 cm in diameter) at several gamma-ray energies from 166 to 2615 keV at distances from 0.5 to 152.4 cm. Computer calculations were done in a two-dimensional cylindrical geometry with the Monte Carlo coupled photon-electron code CYLTRAN. For the experiment we measured 11 sources with simple spectra and precisely known strengths. The average deviation between the calculations and the measurements is 3%. Our calculated results also closely agree with recently ... continued below

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Pages: 6

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Hsu, H.H.; Dowdy, E.J.; Estes, G.P.; Lucas, M.C.; Mack, J.M.; Moss, C.E. et al. January 1, 1983.

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Monte Carlo calculations of a bismuth-germanate scintillator's efficiency agree closely with experimental measurements. For this comparison, we studied the absolute gamma-ray photopeak efficiency of a scintillator (7.62 cm long by 7.62 cm in diameter) at several gamma-ray energies from 166 to 2615 keV at distances from 0.5 to 152.4 cm. Computer calculations were done in a two-dimensional cylindrical geometry with the Monte Carlo coupled photon-electron code CYLTRAN. For the experiment we measured 11 sources with simple spectra and precisely known strengths. The average deviation between the calculations and the measurements is 3%. Our calculated results also closely agree with recently published calculated results.

Physical Description

Pages: 6

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NTIS, PC A02/MF A01.

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  • Nuclear science symposium, San Francisco, CA, USA, 19 Oct 1983

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  • Other: DE84001703
  • Report No.: LA-UR-83-3009
  • Report No.: CONF-831015-10
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5607610
  • Archival Resource Key: ark:/67531/metadc1093968

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  • January 1, 1983

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  • Feb. 10, 2018, 10:06 p.m.

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  • June 4, 2018, 12:58 p.m.

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Hsu, H.H.; Dowdy, E.J.; Estes, G.P.; Lucas, M.C.; Mack, J.M.; Moss, C.E. et al. Efficiency of a bismuth-germanate scintillator: comparison of Monte Carlo calculations with measurements, article, January 1, 1983; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1093968/: accessed June 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.