ANSI/ANS-6.4.3-1991;W2001 (W=Withdrawn): Gamma-Ray Attenuation Coefficients & Buildup Factors for Engineering Materials

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This standard presents evaluated gamma-ray elemental attenuation coefficients and single-material buildup factors for selected engineering materials for use in shielding calculations of structures in power plants and other nuclear facilities.  The data cover the energy range 0.015-15 MeV and up to 40 mean free paths (mfp).  These data are intended to be standard reference data for use in radiation analyses employing point-kernel methods.