English
Related papers

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

200 papers

The ${}^{12} \mathrm{C}(\alpha, \gamma)^{16} \mathrm{O}$ reaction is one of the most important reactions in the evolution of massive stars, yet its rate is still highly uncertain. In this work, we investigated how variations in the ${}^{12}…

Solar and Stellar Astrophysics · Physics 2025-09-23 Gang Long , Yu Wang , Dongdong Liu , Jianguo Wang , Bo Wang

Among the solar fusion reactions, the rate of the $^7$Be($p,\gamma$)$^8$B reaction is one of the most difficult to determine rates. In a number of previous experiments, its astrophysical $S$-factor has been measured at $E$ = 0.1-2.5 MeV…

Solar and Stellar Astrophysics · Physics 2018-03-14 Marcell P. Takács , Daniel Bemmerer , Arnd R. Junghans , Kai Zuber

An effective field theory (EFT) for a nuclear reaction at low energies is studied. The astrophysical $S$-factor of radiative $\alpha$ capture on $^{12}$C at the Gamow-peak energy, $T_G=0.3$ MeV, is a fundamental quantity in…

Nuclear Theory · Physics 2024-01-24 Shung-Ichi Ando

The anomalous behavior of 2-dimensional factorial moment in nucleus-nucleus collisions is studied in some detail using both mini-bias and central collision data of ^{16}O-, ^{32}S- and ^{197}Au-Em interactions from EMU01 experiment. The…

High Energy Physics - Phenomenology · Physics 2016-09-06 01 Collaboration

Several resonances in the $^{15}$N($\alpha$,$\gamma$)$^{19}$F reaction have been investigated in the energy range between 0.6 MeV and 2.7 MeV. Resonance strengths and branching ratios have been determined. High sensitivity could be obtained…

Nuclear Experiment · Physics 2009-11-07 S. Wilmes , V. Wilmes , G. Staudt , P. Mohr , J. W. Hammer

With the quantum diffusion approach the unexpected behavior of fusion cross section, angular momentum, and astrophysical S-factor at sub-barrier energies has been revealed. Out of the region of short-range nuclear interaction and action of…

Nuclear Theory · Physics 2015-05-18 V. V. Sargsyan , G. G. Adamian , N. V. Antonenko , W. Scheid

Low mass Asymptotic Giant Branch stars are among the most important polluters of the interstellar medium. In their interiors, the main component (A>90) of the slow neutron capture process (the s-process) is synthesized, the most important…

Solar and Stellar Astrophysics · Physics 2018-06-13 S. Cristallo , M. La Cognata , C. Massimi , A. Best , S. Palmerini , O. Straniero , O. Trippella , M. Busso , G. F. Ciani , F. Mingrone , L. Piersanti , D. Vescovi

The proton radiative capture $^{12,13}$C$(p,{\gamma})$ reactions at astrophysical energies, key processes in the CNO cycle, are revisited in the potential model with the proton-nucleus potential for both the scattering and bound states…

Nuclear Theory · Physics 2026-02-16 Nguyen Le Anh , Nguyen Hoang Phuc , Dao T. Khoa , Le Hoang Chien , Nguyen Tri Toan Phuc

The breakup cross section (BUX) of 22C by 12C at 250 MeV/nucleon is evaluated by the continuum-discretized coupled-channels method incorporating the cluster-orbital shell model (COSM) wave functions. Contributions of the low-lying 0+_2 and…

Nuclear Theory · Physics 2015-06-11 Kazuyuki Ogata , Takayuki Myo , Takenori Furumoto , Takuma Matsumoto , Masanobu Yahiro

We consider the combined effects that overshooting and the $^{12}$C($\alpha$, $\gamma$)$^{16}$O reaction rate have on variable white dwarf stellar models. We find that carbon-oxygen white dwarf models continue to yield pulsation signatures…

Solar and Stellar Astrophysics · Physics 2023-08-01 Morgan T. Chidester , F. X. Timmes , Ebraheem Farag

We extend a recent study that explained the steep falloff in the fusion cross section at energies far below the Coulomb barrier for the symmetric dinuclear system 64Ni+64Ni to another symmetric system, 58Ni+58Ni, and the asymmetric system…

Nuclear Theory · Physics 2008-11-26 S. Misicu , H. Esbensen

In nuclear astrophysics, the accurate determination of nuclear reaction cross sections at astrophysical energies is critical for understanding stellar evolution and nucleosynthesis. This study focuses on the $^{12}$C($p, \gamma$)$^{13}$N…

The enhancement factor of the resonant thermonuclear reaction rates is calculated for the extremely dense stellar plasmas in the liquid phase. In order to calculate the enhancement factor we use the screening potential which is deduced from…

Astrophysics · Physics 2008-11-26 Naoki Itoh , Nami Tomizawa , Shinya Wanajo , Satoshi Nozawa

The evolution of massive stars with very low-metallicities depends critically on the amount of CNO nuclides which they produce. The $^{12}$N($p$,\,$\gamma$)$^{13}$O reaction is an important branching point in the rap-processes, which are…

Muon catalyzed fusion ($\mu$CF) has recently regained considerable research interest owing to several new developments and applications. In this regard, we have performed a comprehensive study of the most important fusion reaction, namely…

Nuclear Theory · Physics 2023-04-05 M. Kamimura , Y. Kino , T. Yamashita

During helium burning in the core of a red giant, the relative rates of the 3&alpha and ^{12}C(&alpha,&gamma)^{16}O reactions largely determine the final ratio of carbon to oxygen in the resulting white dwarf star. The uncertainty in the…

Astrophysics · Physics 2009-11-07 T. S. Metcalfe , M. Salaris , D. E. Winget

We study the possibility of low energy nuclear fusion assisted by a low energy resonance. We use a simple potential model and replace repulsive Coulomb barrier with a step potential barrier. This is convenient since it allows us to perform…

Nuclear Theory · Physics 2025-03-04 Harishyam Kumar Pankaj Jain

Measurement of the energy dependence of the fusion cross-sec on at sub-barrier energies provides an important test for theoretical models of fusion. To extend the measurement of fusion cross-sections in the sub-barrier domain for the…

‹ Prev 1 4 5 6 7 8 10 Next ›