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Analysis of photoneutron cross section accuracy obtained at quasimonochromatic gamma-beams
V. M. Mazur, Z. M. Bigan, P. S. Derechkey*, I. Yu. Seyka, V. V. Grinyov, S. I. LuchkanAbstract: Using gamma-spectroscopic methods, comparative measurements of (γ, n) reaction yields on the isotopes 140Се and 142Се were carried out in the energy region of 9 - 18 MeV using gamma-quanta. It was shown, that for the isotopes of Cerium using the quasimonochromatic beams of photons [1] the error of the measurement of the (γ, n) reaction cross section due to the contribution of the (γ, 2n) reaction did not exceed 2%.
Keywords: nuclear reaction cross section, gamma-quanta, 140Ce, 142Ce, microtron.
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