Measurements of mass attenuation coefficients around the K absorption edge of semiconductors by parametric X-rays

2004 ◽  
Vol 71 (3-4) ◽  
pp. 643-645 ◽  
Author(s):  
Tadashi Akimoto ◽  
Tsuyoshi Yoshida ◽  
Ryousuke Nakamura ◽  
Kouichi Sato ◽  
Ikuo Murai ◽  
...  
Keyword(s):  
Absorption Edge ◽  
X Rays ◽  
Attenuation Coefficients ◽  
Mass Attenuation Coefficients ◽  
Mass Attenuation

The Mass Attenuation Coefficients and Effective Atomic Numbers of Ruby from Vietnam at Different Photon Energies

2013 ◽  
Vol 770 ◽  
pp. 287-290 ◽  
Author(s):  
Pruittipol Limkitjaroenporn ◽  
Suparat Tuscharoen ◽  
Jakrapong Kaewkhao
Keyword(s):  
X Rays ◽  
Attenuation Coefficients ◽  
Γ Rays ◽  
Mass Attenuation Coefficients ◽  
Effective Atomic Numbers ◽  
Experimental Values ◽  
Fluorescence Spectrometer ◽  
Interaction Probability ◽  
Good Agreement ◽  
Mass Attenuation

The mass attenuation coefficients and effective atomic numbers of ruby from Vietnam were measured at the different energy of γ-rays using the Compton scattering technique. The compositions of ruby were analyzed by energy dispersive x-rays fluorescence spectrometer and showed the Al2O3 is major composition. The results of the experimental values of mass attenuation coefficients and effective atomic numbers showed the good agreement with the theoretical values. The mass attenuation coefficients decreased with the increasing in gamma rays energies, due to the higher photon interaction probability of ruby at lower energy. The effective atomic numbers found to be constant around 10.0 electrons/atom.

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