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Potential cluster calculations for the astrophysical S-factor and reaction rate of the radiative 3He(4He,γ)7Be capture

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Abstract

In the frame of a modified potential cluster model based on the classification of orbital states according to Young diagrams and revised interaction potential parameters for the bound states of 7Be in the 3He4He cluster model with forbidden states, the astrophysical S-factor for the radiative capture reaction 3He(4He,γ)7Be has been calculated from 10 keV. The result obtained, S(23 keV) = 0.561 keV·b, reproduces the latest experimental data at 23 keV. The calculated and parametrized reaction rate is compared with some known results in the range of temperatures from 0.05 to 5 T9.

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Acknowledgements

This work was supported by the Ministry of Education and Science of the Republic of Kazakhstan (Grant No. AP05130104) entitled “Study of Reactions of the Radiative Capture in Stars and in the Controlled Thermonuclear Fusion” through the Fesenkov Astrophysical Institute of the National Center for Space Research and Technology of the Ministry of Defence and Aerospace Industry of the Republic of Kazakhstan (RK).

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Authors and Affiliations

  1. Fesenkov Astrophysical Institute “NCSRT” NSA RK, Almaty, Kazakhstan, 050020

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

  2. Al-Farabi Kazakh National University, Almaty, Kazakhstan, 050000

    S. B. Dubovichenko & N. A. Burkova

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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Correspondence to A. V. Dzhazairov-Kakhramanov.

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Dubovichenko, S.B., Burkova, N.A. & Dzhazairov-Kakhramanov, A.V. Potential cluster calculations for the astrophysical S-factor and reaction rate of the radiative 3He(4He,γ)7Be capture. Indian J Phys 93, 279–283 (2019). https://doi.org/10.1007/s12648-018-1287-0

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  • DOI: https://doi.org/10.1007/s12648-018-1287-0

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