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Role of channel coupling and deuteron-exchange mechanisms in anomalous alpha-particle scattering on 6Li

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Abstract

A unified description of existing experimental data on alpha-particle scattering by 6Li over the broad energy range from 18 to 166 MeV was obtained with allowance for channel-coupling effects and mechanisms involving the exchange of a deuteron cluster. Angular distributions were analyzed on the basis of the optical model and the coupled reaction channels method. It was shown that the inclusion of channel coupling and the contributions from one- and two-step exchangemechanismsmakes it possible to describe special features of the behavior of differential cross sections for both elastic and inelastic scattering in a full energy range. Optimum values found for the parameters of optical potentials agree with the parameters of the global potential proposed previously for nuclei in the mass region A > 12.

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Authors and Affiliations

  1. Russian Research Centre Kurchatov Institute, pl. Akademika Kurchatova 1, Moscow, 123182, Russia

    S. B. Sakuta, B. G. Novatsky & D.N. Stepanov

  2. Institute of Nuclear Physics, Uzbek Academy of Sciences, pos. Ulughbek, Tashkent, 702132, Republic of Uzbekistan

    S.V. Artemov & R. Yarmukhamedov

  3. Institute of Nuclear Physics, National Nuclear Center of the Republic of Kazakhstan, ul. Ibragimova 1, 480082, Almaty, Republic of Kazakhstan

    N. Burtebaev & Zh. Kerimkulov

Authors
  1. S. B. Sakuta
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  2. S.V. Artemov
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  3. N. Burtebaev
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  4. Zh. Kerimkulov
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  5. B. G. Novatsky
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  6. D.N. Stepanov
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  7. R. Yarmukhamedov
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Correspondence to S. B. Sakuta.

Additional information

Original Russian Text © S.B. Sakuta, S.V. Artemov, N. Burtebaev, Zh. Kerimkulov, B.G. Novatsky, D.N. Stepanov, R. Yarmukhamedov, 2009, published in Yadernaya Fizika, 2009, Vol. 72, No. 12, pp. 2046–2055.

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Sakuta, S.B., Artemov, S., Burtebaev, N. et al. Role of channel coupling and deuteron-exchange mechanisms in anomalous alpha-particle scattering on 6Li. Phys. Atom. Nuclei 72, 1982–1991 (2009). https://doi.org/10.1134/S1063778809120023

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  • DOI: https://doi.org/10.1134/S1063778809120023

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