Neutron dosimetry for low dose rate Cf-252 AT sources and adherence to recent clinical dosimetry protocol for brachytherapy

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In 1995, the American Association of Physicists in Medicine Task Group 43 (AAPM TG-43) published a protocol obsoleting all mixed-field radiation dosimetry for Cf-252. Recommendations for a new brachytherapy dosimetry formalism made by this Task Group favor quantification of source strength in terms of air kerma rather than apparent Curies or other radiation units. Additionally, representation of this dosimetry data in terms of radial dose functions, anisotropy functions, geometric factors, and dose rate constants are in an angular and radial (spherical) coordinate system as recommended, rather than the along-away dosimetry data (Cartesian coordinate system) currently available. This paper presents the ... continued below

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11 p.

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Rivard, M.J.; Wierzbicki, J.G.; Van den Heuvel, F. & Martin, R.C. December 1, 1997.

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In 1995, the American Association of Physicists in Medicine Task Group 43 (AAPM TG-43) published a protocol obsoleting all mixed-field radiation dosimetry for Cf-252. Recommendations for a new brachytherapy dosimetry formalism made by this Task Group favor quantification of source strength in terms of air kerma rather than apparent Curies or other radiation units. Additionally, representation of this dosimetry data in terms of radial dose functions, anisotropy functions, geometric factors, and dose rate constants are in an angular and radial (spherical) coordinate system as recommended, rather than the along-away dosimetry data (Cartesian coordinate system) currently available. This paper presents the initial results of calculated neutron dosimetry in a water phantom for a Cf-252 applicator tube (AT) type medical source soon available from Oak Ridge National Laboratory (ORNL).

Physical Description

11 p.

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INIS; OSTI as DE98004060

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  • Radiation protection and shielding topical meeting: technologies for the new century, Nashville, TN (United States), 19-23 Apr 1998

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  • Other: DE98004060
  • Report No.: ORNL/CP--96451
  • Report No.: CONF-980403--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 634031
  • Archival Resource Key: ark:/67531/metadc695379

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  • December 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Jan. 22, 2016, 8:16 p.m.

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Rivard, M.J.; Wierzbicki, J.G.; Van den Heuvel, F. & Martin, R.C. Neutron dosimetry for low dose rate Cf-252 AT sources and adherence to recent clinical dosimetry protocol for brachytherapy, article, December 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc695379/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.