English
Related papers

Related papers: $\mathbf{{}^{12}{C} + {}^{12}{C}}$ Fusion $\boldsy…

200 papers

The nuclear mean-field potential arising from the $^{12}$C+$^{12}$C interaction at the low energies relevant for the astrophysical carbon burning process has been constructed within the double-folding model, using the realistic nuclear…

Nuclear Theory · Physics 2016-03-17 Le Hoang Chien , Do Cong Cuong , Dao T. Khoa

The efficiency of the slow neutron-capture process in massive stars is strongly influenced by neutron-capture reactions on light elements. At low metallicity, $^{16}$O is an important neutron absorber, but the effectiveness of $^{16}$O as a…

Nuclear Experiment · Physics 2022-07-13 M. Williams , A. M. Laird , A. Choplin , P. Adsley , B. Davids , U. Greife , K. Hudson , D. Hutcheon , A. Lennarz , C. Ruiz

The existence of $^{12}{\rm C} + {}^{16}{\rm O}$ molecular resonances at sub-barrier energy has been a significant problem in nuclear astrophysics because they strongly affect the $^{12}{\rm C} + {}^{16}{\rm O}$ fusion reaction rate in type…

Nuclear Theory · Physics 2020-01-08 Yasutaka Taniguchi , Masaaki Kimura

The astrophysical S-factor of the 4He-12C radiative capture is calculated in the potential model at the energy range 0.1-2.0 MeV. Radiative capture 12C(\alpha,\gamma)16O is extremely relevant for the fate of massive stars and determines if…

Nuclear Theory · Physics 2015-06-17 H. Sadeghi , R. Ghasemi , H. Khalili

The impact of nuclear molecular configurations on the astrophysical S-factor for $^{16}$O + $^{16}$O is investigated within the realistic two-center shell model based on Woods-Saxon potentials. These molecular effects refer to the formation…

Nuclear Theory · Physics 2008-11-26 A. Diaz-Torres , L. R. Gasques , M. Wiescher

We study a radiative $p^{15}$N capture on the ground state of $^{16}$O at stellar energies within the framework of a modified potential cluster model (MPCM) with forbidden states, including low-lying resonances. The investigation of the…

Astrophysical nuclear reaction rates in stellar environments are governed by the Gamow window, where Maxwell-Boltzmann distributions and quantum tunneling probabilities combine to produce effective reactivity. However, this conventional…

Plasma Physics · Physics 2025-11-14 Eunseok Hwang , Heamin Ko , Myung-Ki Cheoun , Dukjae Jang

Using the Sao Paulo potential and the barrier penetration formalism we have calculated the astrophysical factor S(E) for 946 fusion reactions involving stable and neutron-rich isotopes of C, O, Ne, and Mg for center-of-mass energies E…

Solar and Stellar Astrophysics · Physics 2015-05-18 M. Beard , A. V. Afanasjev , L. C. Chamon , L. R. Gasques , M. Wiescher , D. G. Yakovlev

A Bayesian analysis of the astrophysical $S$ factor for the $^{12}\mathrm{C}+^{12}\mathrm{C}$ fusion reaction is presented, based on available experimental information at carbon--carbon relative energies $E \gtrsim 2~\mathrm{MeV}$,…

Solar and Stellar Astrophysics · Physics 2025-12-19 A. M. Mukhamedzhanov

$^{12}$C$(\alpha, \gamma)^{16}$O radiative-capture process is a key reaction to produce the element of oxygen in stars. Measuring the cross section near the Gamow window is extremely hard because it is too small. To make a theoretical…

Nuclear Theory · Physics 2021-01-21 Y. Suzuki

The $^{13}$C(p,$\gamma$)$^{14}$N reaction is the second reaction of the CNO cycle. This cycle takes place in our Sun and fuels massive, Red, and Asymptotic Giant Branch stars. The $^{13}$C(p,$\gamma$)$^{14}$N rate affects the final…

The $^{12}$C($\alpha,\gamma$)$^{16}$O reaction has a key role in nuclear astrophysics. A multilevel R-matrix analysis was used to make extrapolations of the astrophysical S factor for this reaction to the stellar energy of 300 keV. The…

Nuclear Experiment · Physics 2018-09-28 R. J. Holt , B. W. Filippone , Steven C. Pieper

Carbon burning is a crucial process for a number of important astrophysical scenarios. The lowest measured energy is around E$_{\rm c.m.}$=2.1 MeV, only partially overlapping with the energy range of astrophysical interest. The currently…

Nuclear Experiment · Physics 2015-05-30 X. Tang , X. Fang , B. Bucher , H. Esbensen , C. L. Jiang , K. E. Rehm , C. J. Lin

A microscopic approach to the $^{12}$C$(\alpha, \gamma)^{16}$O radiative-capture reaction near the Gamow window has been proposed by Y. Suzuki, Few-Body Syst. {\bf 62}, 2 (2021). The important ingredients of the approach include the…

Nuclear Theory · Physics 2024-10-16 Yasuyuki Suzuki

The cross sections for the deep sub-barrier fusion reaction of light nuclei are calculated within the theoretical framework of the selective resonant tunneling model. In this model, assumption of a complex square-well nuclear potential is…

Nuclear Theory · Physics 2019-05-01 Vinay Singh , Debasis Atta , Md. A. Khan , D. N. Basu

To determine the energy dependence of fusion cross sections at extremely low energies is crucial for various astrophysical processes. In the previous study by Jiang et al. [Phys. Rev. C75, 015803 (2007)], it was concluded that fusion cross…

Nuclear Theory · Physics 2025-12-23 Kotaro Uzawa , Kouichi Hagino

Nuclear fusion reactions are the most important processes in nature to power stars and produce new elements, and lie at the center of the understanding of nucleosynthesis in the universe. It is critically important to study the reactions in…

Nuclear fusion reactions, at energies, far below the Coulomb barrier play a significant role in the synthesis of light elements in the primordial nucleosynthesis as well as in the interior of compact stellar objects. Many different kinds of…

Nuclear Theory · Physics 2022-10-31 Md. A. Khan , S. H. Mondal , M. Alam , M. Hasan

The solar composition problem has puzzled astrophysicists for more than 20 years. Recent measurements of carbon-nitrogen-oxygen (CNO) neutrinos by the Borexino experiment show a $\sim2\sigma$ tension with the "low-metallicity"…

Within the framework of the modified potential cluster model with forbidden states, the $^{13}$N($p,\gamma $)$^{14}$O reaction rate and the astrophysical $S$-factor are considered. It is shown that the first $p^{13}$% N resonance determines…