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Astrophysical S-Factor of p7Bе Capture at Low Energies

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Russian Physics Journal Aims and scope

In the modified potential cluster model, the possibility of describing the astrophysical S-factor of radiative p7Ве→8Bγ capture to the ground state of the 8B nucleus at energies from 10 keV to 1 MeV is considered. Potentials of intercluster interactions, matched to the spectra of the 8B nucleus for scattering processes, and the potential of the bound 3Р2 ground state in the p7Ве cluster channel are constructed. The resonance in the 3P1 scattering wave at the energy 0.722 MeV, which leads to an М1-transition to the ground state, is considered. Total cross sections and the reaction rate of p7Ве capture are calculated in the temperature range from 0.01·Т9 to 5·Т9.

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Authors and Affiliations

  1. Fesenkov Astrophysical Institute of the National Center for Space Research and Technology of the Aerospace Agency of the Ministry of Defense and the Aerospace Industry of the Republic of Kazakhstan, Almaty, Republic of Kazakhstan

    S. B. Dubovichenko, A. V. Dzhazairov-Kakhramanov & A. S. Tkachenko

  2. Al Farabi Kazakh National University, Ministry of Education and Science of the Republic of Kazakhstan, Almaty, Republic of Kazakhstan

    N. A. Burkova & A. S. Tkachenko

Authors
  1. S. B. Dubovichenko
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  2. N. A. Burkova
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  3. A. V. Dzhazairov-Kakhramanov
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  4. A. S. Tkachenko
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Correspondence to S. B. Dubovichenko.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 24–32, December, 2017.

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Dubovichenko, S.B., Burkova, N.A., Dzhazairov-Kakhramanov, A.V. et al. Astrophysical S-Factor of p7Bе Capture at Low Energies. Russ Phys J 60, 2077–2086 (2018). https://doi.org/10.1007/s11182-018-1329-2

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  • DOI: https://doi.org/10.1007/s11182-018-1329-2

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