Polat, R.

Polat, R.; Budak, G.; Gürol, A.; Karabulut, A.; Ertuǧrul, M.

Experimental K-shell absorption jump factors are derived from mass attenuation coefficients measured using an energy dispersive X-ray fluorescence (EDXRF) spectrometer and samples in the form of the compounds Ag 2O3, CsHCO3, Ba[(OH)2] and La 2O3. The measurements, in the region 25-40 keV, were done in a transmission geometry utilizing the Kα and Kβ X-rays from different secondary source targets (Sb, Pr, Nd and Sm) excited by the 59.5 keV γ-photons from an 241Am annular primary source. The present results constitute the first measurement for this combination of energy and elements. Also a good agreement is obtained between the experiment and theory.

Içelli, Orhan; Erzeneoǧlu, Salih; Boncukçuoǧluc, Recep

Measurements have been made to determine X-ray transmission factors of some boron compounds (H3BO3,Na2B 4O7 and B3Al2O3) by using an extremely narrow-collimated-beam transmission method in the energy range 15.746-40.930 keV. The characteristic Kα and Kβ X-rays of the different elements (Zr, Mo, Ag, In, Sb, Ba and Pr) passed through boron compounds were detected with a high-resolution Si(Li) detector. Results are presented and discussed in this paper.