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We have studied the neutron-capture reactions 10,11B(n, g) and the role of the 11B(n, g) reaction in seeding r-process nucleosynthesis. The possibility of the description of the available experimental data for cross sections of the neutron…

Nuclear Theory · Physics 2014-08-04 Sergey Dubovichenko , Albert Dzhazairov-Kakhramanov

Within the framework of the modified potential cluster model with a classification of orbital states according to Young diagrams, the possibility of describing experimental data for total cross sections of the neutron radiative capture on…

Within the framework of the modified potential cluster model with a classification of orbital states according to Young diagrams, the possibility of prediction absentee experimental data for the total cross sections of the radiative neutron…

Nuclear Theory · Physics 2019-11-14 S. B. Dubovichenko , N. A. Burkova , A. V. Dzhazairov-Kakhramanov

The total cross sections of the neutron radiative capture on 12B at astrophysical energies to the ground state of 13B have been calculated in the energy range of 10E-8 to 10 MeV within the framework of a modified potential cluster model…

Nuclear Theory · Physics 2021-05-18 S. B. Dubovichenko , N. A. Burkova , A. V. Dzhazairov-Kakhramanov , A. Yertaiuly

Within the framework of the modified potential cluster model with a classification of orbital states according to Young diagrams, the possibility of data description of the radiative neutron capture on 11B to the second excited state of 12B…

Nuclear Theory · Physics 2021-03-12 S. B. Dubovichenko , N. A. Burkova , A. V. Dzhazairov-Kakhramanov

The possibility of description available experimental data for total cross section for reaction of the neutron capture on 10B at energies from 25.3 meV to 1.0 MeV was considered in the frame of the modified potential cluster model with…

Nuclear Theory · Physics 2020-07-03 S B Dubovichenko , N A Burkova , A V Dzhazairov-Kakhramanov

We have used existing data on the one-proton-removal cross section of 9C at 285 MeV/u and Glauber model calculations to extract the asymptotic normalization coefficient for the wave function of the last proton in the ground state of 9C. The…

Nuclear Experiment · Physics 2009-11-07 L. Trache , F. Carstoiu , A. M. Mukhamedzhanov , R. E. Tribble

Review of calculation results for astrophysical S-factor of the 14N(p,gamma)15O capture reaction in the p14N channel of 15O was presented. It was carried out in the frame of the modified potential cluster model, taking into account…

Calculations of the reaction rate of the proton radiative capture on 3H at temperatures from 0.01 T9 up to 5 T9, which are based on the theoretical results for the astrophysical S-factor and take into account the latest experimental data,…

Nuclear Theory · Physics 2017-07-19 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov , N. V. Afanasyeva

The possibility of the description of the available experimental data for cross sections of the neutron capture reaction on 10B at thermal and astrophysical energies, taking into account the resonance at 475 keV, was considered within the…

Nuclear Theory · Physics 2013-12-18 Sergey Dubovichenko , Albert Dzhazairov-Kakhramanov

In low metallicity supermassive stars, the hot $pp$ chain can serve as an alternative way to produce the CNO nuclei. In the astrophysical environment of high temperature, the proton capture of $^8$B can be faster than its beta decay, thus…

Nuclear Theory · Physics 2023-05-30 G. X. Dong , X. B. Wang , N. Michel , M. Płoszajczak

The astrophysical $S$ factor for the radiative proton capture process on the $^{15}\mathrm{N}$ nucleus, i.e., $^{15}\mathrm{N}(p, \gamma)^{16}\mathrm{O}$, at stellar energies are studied within the framework of the cluster effective field…

Nuclear Theory · Physics 2024-01-31 Sangyeong Son , Shung-Ichi Ando , Yongseok Oh

We present a novel experiment to investigate the spectroscopic factor of the $^{15}$C ground state for the first time using single-neutron $removal$ transfer reactions on $^{15}$C. Two consistent spectroscopic factors were derived from the…

The reaction $^{17}$O$(p,\gamma)^{18}$F influences hydrogen-burning nucleosynthesis in several stellar sites, such as red giants, asymptotic giant branch (AGB) stars, massive stars and classical novae. In the relevant temperature range for…

The reactions $^{10}$B(p,$\alpha$)$^{7}$Be and $^{11}$B(p,$\alpha$)$^{8}$Be are studied at thermonuclear energies using DWBA calculations. For both reactions, transitions to the ground states and first excited states are investigated. In…

Nuclear Theory · Physics 2008-11-26 T. Rauscher , G. Raimann

The astrophysical direct nuclear capture reaction $^{12}{\rm C}(p, \gamma)^{13}{\rm N}$ is studied within the framework of a potential model. Parameters of the nuclear $p-^{12}$C interaction potentials of the Woods-Saxon form are adjusted…

Nuclear Theory · Physics 2025-05-13 E. M. Tursunov , S. A. Turakulov , A. S. Kadyrov

The total cross sections of the radiative neutron capture processes on 9Be, 14C, 14N, 15N, and 16O are described in the framework of the modified potential cluster model with the classification of orbital states according to Young tableaux.…

Nuclear Theory · Physics 2014-01-29 Sergey Dubovichenko , Albert Dzhazairov-Kakhramanov , Nadezhda Afanasyeva

The total cross sections of the radiative proton capture on 8Li at astrophysical energies were considered in the framework of the modified potential cluster model with forbidden states, with the classification of the orbital cluster states…

Nuclear Theory · Physics 2020-07-03 S. B. Dubovichenko , N. A. Burkova , A. V. Dzhazairov-Kakhramanov

The astrophysical S-factor for the process p7Be --> 8Bgamma of radiative capture by the 8B ground state is described up to 5 MeV, within the modified potential cluster model. The signatures of the S-factor resonances at 0.632, 2.18 and 3.36…

In this review we have considered the possibility to describe the astrophysical S-factors of radiative capture reactions with light atomic nuclei on the basis of the potential two-cluster model by taking into account the splitting the…

Nuclear Theory · Physics 2011-12-12 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov
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