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Calculation of Mass Attenuation Coefficients of Beta Particles
Radiation Protection Dosimetry, 1998Using the semi-empirical equations for the transmission coefficient of monoenergetic electrons, the mass attenuation coefficient of beta particles has been calculated. Beta spectra for 'allowed' and 'first forbidden' transitions are considered. The calculated mass attenuation coefficients for {beta}- emitters determined in the present study agree ...
C.Y. Yi +5 more
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Mass Attenuation Coefficients for Plastic Pilot-B Scintillator
Review of Scientific Instruments, 1971Mass attenuation coefficients of the commercial plastic Pilot-B scintillator have been determined as a function of energy. Sources emitting gamma rays with energies of 0.36, 0.66, 0.80, and 1.33 MeV were used. The results indicate strong absorption in the low energy region and a smooth nonlinear decrease in the mass attenuation coefficients with ...
Carl H. Hayn, Daniel E. Carroll
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Photon mass attenuation coefficients of importance to dosimetry
2011 IEEE Nuclear Science Symposium Conference Record, 2011For Medical imaging and radiation therapy applications photon, of energies less than 1.3 MeV, are commonly utilized. The importance of the data of attenuation coefficients for this energy range cannot be overemphasized. In the past, there were many measurements made using multiple sources and low-resolution scintillation detectors.
Cody Crewson, Chary Rangacharyulu
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Determination of X-ray mass attenuation coefficients using HPGe detector
Applied Radiation and Isotopes, 2010A detail analysis of a method to determine the mass attenuation coefficient, mu(m), of low energy X-rays employing HPGe X-ray detector and radioactive sources is described. This method incorporates all the suggestions made by Creagh and Hubbell. An optimum distance is set under the broad beam as well as good geometry arrangement.
, Sharanabasappa +3 more
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X-Ray Mass Attenuation Coefficient of Silicon: Theory versus Experiment
Physical Review Letters, 2003We compare new experimental x-ray total mass attenuation coefficients of silicon obtained with the x-ray extended-range technique (XERT) from 5 to 20 keV with theoretical calculations and earlier experimental measurements over a 5 to 50 keV energy range.
Barnea, Z. +2 more
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Mass attenuation coefficients of X-rays in different medicinal plants
Applied Radiation and Isotopes, 2010The mass attenuation coefficients of specific parts of several plants, (fruits, leaves, stem and seeds) often used as medicines in the Indian herbal system, have been measured employing NaI (TI)) detector. The electronic setup used is a NaI (TI) detector, which is coupled to MCA for analysis of the spectrum. A source of (241)Am is used to get X-rays in
R B, Morabad, B R, Kerur
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Mass attenuation coefficient of chromium and manganese compounds around absorption edge
Journal of X-Ray Science and Technology, 2009The total mass attenuation coefficient for Potassium dichromate, Potassium chromate and Manganese acetate compounds are measured at different photon energies 5.895, 6.404, 6.490, 7.058, 8.041 and 14.390 keV using Fe-55, Co-57 and ^{241}Am source with Copper target, radioactive sources.
, Sharanabasappa +4 more
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Photon mass attenuation and energy-absorption coefficients
The International Journal of Applied Radiation and Isotopes, 1982Mass attenuation coefficients μ/ϱ and mass energy-absorption coefficients μ cn/ϱ are tabulated in units of m 2 kg −1 for photon energies 1 keV to 20 MeV for 40 elements ranging from hydrogen (Z= 1) to uranium (Z= 92). In addition, μ/ϱ and μ cn /ϱ values are tabulated over this same energy range for 45 mixtures and compounds of dosimetric interest ...
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Mass attenuation coefficients of beta particles in 4π geometry
Physica B+C, 1988The mass attenuation coefficients μ/ϱ of beta particles of end point energy E0 ranging from 0.16–2.3 MeV are determined adopting a 4π geometrical configuration, where the source is sandwiched between thin foils of aluminium as absorbers and the sandwich is kept in a 4π gas flow proportional counter for measuring transmitted beta particles. An empirical
R. Nathuram +2 more
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Mass attenuation coefficients of size-fractioned soil
Journal of Radioanalytical and Nuclear Chemistry Letters, 1990Experimental determinations of mass-attenuation coefficients for soils of various grain sizes are presented. The coefficient values were found to change slightly with particle size, but, overall, resemble values from other studies. The slopes of mass-attenuation coefficients vs.
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