2012•Bulletin of the Russian Academy of Sciences PhysicsRequires access

Studying the excitation function of the full cross section of a reaction using a modified transmission technique: Initial results

Yu. G. Sobolev, Yu. É. Penionzhkevich, K. Borcha, M. Ivanov, A. Kugler, A. A. Kulko, V. Kroga, В. А. Маслов, Ya. Mrazek, A. Negreţ, R. V. Rvenko, Ya. Yu. Savrov, Н. К. Скобелев, В. Трзаска

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Abstract

A method for direct and model-independent measurements of the full cross section for the reaction σ R is described, along with the physical setting and the results from measuring σ R (E) for the reaction 6He+197Au in the energy region near the Coulomb barrier. A comparison of cross section values measured by the direct method with a summed cross section of the reaction’s xn evaporation channels (x = 2–7) and a neutron’s disruption-pickup channels measured by means of activation analysis is presented, along with the familiar value in the literature for a full cross section obtained from processing with an optical model of experimental differential cross sections of the elastic scattering of 6He on 197Au.

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Key concepts: Cross section (physics), Excitation function, Excitation, Atomic physics, Scattering cross-section, Coulomb barrier, Physics, Section (typography)