Tables of x-ray mass attenuation coefficients and mass energy-absorption coefficients 1 keV to 20 MeV for elements Z = 1 to 92 and 48 additional substances of dosimetry interest
J.H. HubbellDEPARTMENT OF COMMERCE Technology Administration National Institute of Standards and Technology Physics Laboratory Ionizing Radiation Division Gaithersburg, MD 20899S M SeltzerDEPARTMENT OF COMMERCE Technology Administration National Institute of Standards and Technology Physics Laboratory Ionizing Radiation Division Gaithersburg, MD 20899 qo
1995en
ABI
Abstract
Tables and graphs of the photon mass attenuation coefficient p/p and the mass energy-absorption coefficient p en /p are presented for all of the elements Z = 1 to 92, and for 48 compounds and mixtures of radiological interest. The tables cover energies of the photon (x ray, gamma ray, bremsstrahlung) from 1 keV to 20 MeV. The p/p values are taken from the current photon interaction database at the National Institute of Standards and Technology, and the p en /p values are based on the new calculations by Seltzer described in Radiation Research 136, 147 (1993). These tables of p/p and p en /p replace and extend the tables given by
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