Reaction rate of the 7Li(p,γ)8Be radiative capture at low energies
Dubovichenko S.B. Dzhazairov-Kakhramanov A.V. Burkova N.A.
November 2021Elsevier B.V.
Nuclear Physics A
2021#1015
Within the framework of the modified potential cluster model with the classification of orbital states according to Young diagrams, the possibility of description experimental data for S-factor of the proton radiative capture on 7Li to the ground state of 8Be is considered. It was shown that taking into account E1 and M1 transitions from the state of p7Li scattering to the ground state of 8Be in the p7Li channel it is possible to explain the value of the S-factor at energies up to 10 MeV. Based on the calculated total cross sections, the reaction rate in the temperature range of 0.01 to 10.0 T9 is obtained. It is demonstrated that the inclusion of low-lying resonance states gives some contribution into the reaction rate at high temperatures.
Low and astrophysical energies , Nuclear astrophysics , p7Li cluster system , Radiative capture , Total cross section
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Fesenkov Astrophysical Institute “NCSRT” ASA MDASI RK, Almaty, 050020, Kazakhstan
al-Farabi Kazakh National University, RK, Almaty, 050040, Kazakhstan
Fesenkov Astrophysical Institute “NCSRT” ASA MDASI RK
al-Farabi Kazakh National University
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