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Z-dependence of photoelectric cross-section in the energy region of absorption edges (6.4÷136.47) keV

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Il Nuovo Cimento A (1965-1970)

Summary

Total photon cross-sections are measured by the transmission method using a Si(Li) spectrometer on a good geometry set-up in elements 6⩽Z⩽92 at eight energies in the region of absorption edges. Photoelectric cross-sections are deduced from these by subtracting the theoretical contributions due to coherent and incoherent scattering. These values along with previous experimental data are used to study theZ-dependence of photoelectric cross-section in the energy region of absorption edges. TheZ-exponent is found to vary from 3.6 to 4.6 in general agreement with those evaluated using Scofield’s theoretical photoelectric cross-sections.

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Authors and Affiliations

  1. Department of Nuclear Physics, Andhra University, 530 003, Visakhapatnam, India

    B. S. Reddy, K. Premachand, P. V. Ramana Rao & K. Parthasaradhi

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  1. B. S. Reddy
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  2. K. Premachand
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  3. P. V. Ramana Rao
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  4. K. Parthasaradhi
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Reddy, B.S., Premachand, K., Rao, P.V.R. et al. Z-dependence of photoelectric cross-section in the energy region of absorption edges (6.4÷136.47) keV. Nuov Cim A 105, 735–739 (1992). https://doi.org/10.1007/BF02730780

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