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• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00 | Harvested: June 27, 2025 at 06:50 PM

This database collects tables and graphs of the form factors, the photoabsorption cross section, and the total attenuation coefficient for any element (Z <= 92). Version 2.1

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• Organization: National Institute of Standards and Technology
• Updated: 2010-11-01 00:00:00 | Harvested: June 27, 2025 at 06:50 PM

A web database is provided which can be used to calculate photon cross sections for scattering, photoelectric absorption and pair production, as well as total attenuation coefficients, for any...

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• Organization: National Institute of Standards and Technology
• Updated: 2003-06-01 00:00:00 | Harvested: June 27, 2025 at 06:53 PM

A bibliography is presented of papers reporting absolute measurements of photon (XUV, x-ray, gamma-ray, bremsstrahlung) total interaction cross sections or attenuation coefficients for the...

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• Organization: National Institute of Standards and Technology
• Updated: 2004-07-01 00:00:00 | Harvested: June 27, 2025 at 06:53 PM

Tables of X-Ray Mass Attenuation Coefficients and Mass Energy - Absorption Coefficients from 1 keV to 20 MeV for Elements Z = 1 to 92 and 48 Additional Substances of Dosimetric Interest include...

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• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00 | Harvested: June 27, 2025 at 06:53 PM

This X-ray transition table provides the energies and wavelengths for the K and L transitions connecting energy levels having principal quantum numbers n = 1, 2, 3, and 4. The elements covered...

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• Organization: National Institute of Standards and Technology
• Updated: 2017-04-24 00:00:00 | Harvested: June 27, 2025 at 07:17 PM

This data set consist of two representations of the electron-induced copper k-alpha x-ray emission spectrum. One file contains rebinned counting data, and is close to 'raw'. The second file...

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• dadta columns as described above
• 3-column text file, delimited with spaces. first column is photon energy in ev. second column is intensity. third column is the spline coefficient, as described in the paper.
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• Organization: National Institute of Standards and Technology
• Updated: 2019-04-01 00:00:00 | Harvested: June 27, 2025 at 07:17 PM

This data set consist of rebinned data, with and without efficiency corrections, from the kl, km, and kn emission lines of the molybdenum x-ray spectrum.

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• space-delimited 8-column text file with 6 lines of comments at the beginning. format is :# data set structure # column 1: energy, ev # column 2: system efficiency # column 3, 4: raw intensity and standard error # column 5, 6: raw background and standard error # column 7, 8: efficiency corrected net intensity and standard error
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