A program for calculating attenuation coefficients of fast. Computer program for calculating the removal. Ray attenuation, the program predictions. WinXCom - A program for calculating X-ray. A program for calculating X-ray attenuation coefficients. Electron is a promising method for calculating and Z eff. Title: WinXCom—a program for calculating X-ray attenuation coefficients. Authors: Gerward, L.; Guilbert, N.; Jensen, K. B.; Levring, H. Affiliation: AA(Department.

Abstract The mass attenuation coefficients for compounds of biomedically important some elements (Na, Mg, Al, Ca, and Fe) have been measured by using an extremely narrow collimated-beam transmission method in the energy 59.5 keV. Total electronic, atomic, and molecular cross sections, effective atomic numbers, and electron densities have been obtained by using these results. Gamma-rays of 241Am passed through compounds have been detected by a high-resolution Si(Li) detector and by using energy dispersive X-ray fluorescence spectrometer (EDXRF).

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Obtained results have been compared with theoretically calculated values of WinXCom and FFAST. The relative difference between the experimental and theoretical values are −9.4% to +11.9% with WinXCom and −11.8% to +11.7% FFAST. Results have been presented and discussed in this paper.

NXcom – A program for calculating attenuation coefficients of fast neutrons and gamma-rays NXcom – A program for calculating attenuation coefficients of fast neutrons and gamma-rays El-Khayatt, A.M. 2011-01-01 00:00:00 This work is concerned with a construction and use of NXcom computer program for calculating the removal and attenuation coefficients of transmitted fast neutrons and γ-rays, respectively, through mixtures, composites, concretes and compounds. The program uses only one input data file for neutrons and γ-rays calculations. For γ-ray attenuation, the program predictions were tested by comparing them with the well-known WinXcom program results and an excellent agreement was noticed. Also, it has been used for calculating the values of macroscopic effective removal cross-sections Σ R (cm −1 ) for five new published polyamide and anhydride composites designed for shielding mixed neutron and γ-rays. The obtained values for Σ R using the program and the reported attenuation thicknesses which were based on the Monte Carlo N-Particle (MCNP) code showed the same trend. The NXcom program can be used as a preliminary effective tool for testing the shielding material against fast neutrons and γ-rays.

Annals of Nuclear Energy Elsevier http://www.deepdyve.com/lp/elsevier/nxcom-a-program-for-calculating-attenuation-coefficients-of-fast-nFwyvTvnLl. Abstract This work is concerned with a construction and use of NXcom computer program for calculating the removal and attenuation coefficients of transmitted fast neutrons and γ-rays, respectively, through mixtures, composites, concretes and compounds. The program uses only one input data file for neutrons and γ-rays calculations. For γ-ray attenuation, the program predictions were tested by comparing them with the well-known WinXcom program results and an excellent agreement was noticed.

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Also, it has been used for calculating the values of macroscopic effective removal cross-sections Σ R (cm −1 ) for five new published polyamide and anhydride composites designed for shielding mixed neutron and γ-rays. The obtained values for Σ R using the program and the reported attenuation thicknesses which were based on the Monte Carlo N-Particle (MCNP) code showed the same trend. The NXcom program can be used as a preliminary effective tool for testing the shielding material against fast neutrons and γ-rays. Journal Annals of Nuclear Energy – Elsevier Published: Jan 1, 2011.