Home / Store / Journals / Electronic Articles / Nuclear Science and Engineering / Volume 140 / Number 1
M. L. Mallikarjuna, S. B. Appaji Gowda, S. Krishnaveni, R. Gowda, T. K. Umesh
Nuclear Science and Engineering
Volume 140 / Number 1 / January 2002 / Pages 96-102
Format:electronic copy (download)
The total attenuation cross sections of the elements copper, zirconium, silver, and tin have been measured experimentally in a narrow beam good geometry set up by employing a high-resolution hyperpure germanium detector in the energy range 5 to 85 keV. The data have been used to derive the K-shell photoeffect cross sections at the K-edge, the oscillator strength gK, and the K-jump ratio of the elements copper, zirconium, silver, and tin. The photoeffect cross sections at the K-edge and the oscillator strengths of the element have been calculated by making use of a method that eliminates the requirement of subtracting the theoretical scattering contribution. The best-fit coefficients for the cross sections and the relations so obtained for the jump ratios and oscillator strengths facilitate a speedier E- and Z-wise interpolation of the data on total attenuation cross sections as well as JK and K-shell photo effect cross sections at the K-edge, respectively, in the range 5 to 85 keV, for elements in the atomic number range 25 to 55.
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