mass absorption coefficient


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mass absorption coefficient

[′mas əb′sȯrp·shən ‚kō·i‚fish·ənt]
(physics)
The linear absorption coefficient divided by the density of the medium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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In particular, the pre-edge regime has the wrong slope, the peak assoc iated with the [M.sub.5,4] transition is a too large (measured from the base) and the mass absorption coefficient decreases somewhat too rapidly past the [M.sub.4] peak.
The selection of mass absorption coefficients, stopping power, fluorescence corrections, and errors in the take off angle result in variations of several percent.
He has published more than 100 archival papers concerned with developments of EPMA instrumentation, improvements in microanalysis techniques, metallurgical and geological applications (including lunar samples and asbestos), characterization of microanalysis standards, uncertainties in quantitative EPMA and correction procedures, bibliographies of EPMA publications, tables of mass absorption coefficients and x-ray lines, development of matrix correction procedures, the early use of color in wavelength dispersive x-ray dot mapping, energy dispe rsive qualitative and quantitative analysis, and the use of Monte Carlo techniques in quantitative EPMA.