Corrigendum to “Constraining the 12C+12C astrophysical S-factors with the 12C+13C measurements at very low energies” [Phys. Lett. B 801 (2020) 135170]

Zhang, N.T.; Wang, X.Y.; Tudor, D.; Bucher, B.; Burducea, I.; Chen, H.; Chen, Z.J.; Chesneanu, D.; Chilug, A. I.; Gasques, L. R.; Ghiţă, D.; Gomoiu, Claudia; Hagino, K.; Kubono, S.; Li, Y. J.; Lin, C. J.; Lin, Weiping; Margineanu, R. M.; Pantelica, A.; Stefanescu, I.; Straticiuc, M.; Tang, Xiangqian; Trache, L.; Umar, A. S.; Xin, Wenyu; Xu, Shaohang; Xu, Y.

doi:10.1016/j.physletb.2020.135278

Cited by 7 publications

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“…At low energies the irradiated targets were transported (in 3 hours) to the underground laboratory in the SLANIC salt mine (Romania) for γ -ray measurements [67]. Cross sections down to the 10 pb range were determined [68].…”

Section: See Text For Detailsmentioning

confidence: 99%

Section: Deep Subbarrier Hindrance In Light Systemsmentioning

confidence: 99%

“…An interesting question is whether the deep subbarrier hindrance, which has been observed in medium-heavy systems, still remains in lighter systems [68]. Recent measurements of the 12 C + 30 Si [141], and 12 C + 13 C [68] systems have indicated that the hindrance may be absent, or at least rather small, for these light systems. For the 12 C + 12 C system, theoretical calculations based on the sudden model as well as the density-constrained time-dependent Hartree-Fock method do not show the hindrance effect [68,102].…”

Section: Deep Subbarrier Hindrance In Light Systemsmentioning

confidence: 99%

“…Recent measurements of the 12 C + 30 Si [141], and 12 C + 13 C [68] systems have indicated that the hindrance may be absent, or at least rather small, for these light systems. For the 12 C + 12 C system, theoretical calculations based on the sudden model as well as the density-constrained time-dependent Hartree-Fock method do not show the hindrance effect [68,102]. This tendency could be understood naturally with the adiabatic model [126][127][128].…”

Section: Deep Subbarrier Hindrance In Light Systemsmentioning

confidence: 99%

“…The early experiments covered the energy range down to about 3.2 MeV and were all done using thin carbon targets and detecting γ -rays or light particles from the decay of the residual nuclei [90,189,190]. The two most recent experiments, [68,191] were carried out after 2012 at the University of Notre Dame and at the Horia Hulubei National Institute, Romania. These measurements used the thick-target technique detecting the radioactive 24 Na (T 1/2 = 14.95 h).…”

Section: 4mentioning

confidence: 99%

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Heavy-ion fusion reactions at extreme sub-barrier energies

et al. 2021

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The study of fusion reactions at extreme sub-barrier energies has seen an increased interest in recent years, although difficult to measure due to their very small cross sections. Such reactions are extremely important for our understanding of the production of heavy elements in various environments. In this article, the status of the field is reviewed covering the experimental techniques, the available data, and the theoretical approaches used to describe such reactions. The fusion hindrance effect, first discovered in medium-mass systems, has been found to be relevant also for lighter systems. In some light systems, resonance structures are found to be important, while for heavy systems, the fission process plays an important role. In the near barrier region, couplings to collective excitations in the fusion participants and transfer reactions have been found to give a good description of the measured fusion cross sections and it results in a distribution of fusion barrier heights. New physics ingredients, related to the overlap process of the two projectiles, have to be introduced to describe the hindrance behavior. In addition, it has recently been found that the fusion cross section in both near-barrier and sub-barrier regions can be described very well in many cases using simple, analytical forms of the barrier-height distributions or a modified version of the classic Wong formula.

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Section: See Text For Detailsmentioning

confidence: 99%

Section: Deep Subbarrier Hindrance In Light Systemsmentioning

confidence: 99%

Section: Deep Subbarrier Hindrance In Light Systemsmentioning

confidence: 99%

Section: Deep Subbarrier Hindrance In Light Systemsmentioning

confidence: 99%

Section: 4mentioning

confidence: 99%

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Heavy-ion fusion reactions at extreme sub-barrier energies

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The ¹²C+¹²C fusion reaction at stellar energies

Tang

2022

EPJ Web Conf.

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The carbon fusion reaction is crucial in stellar evolution. Despite six decades of studies, there is still a large uncertainty in the reaction rate which limits our understanding of various stellar objects, such as massive stars, type Ia supernovae, and superbursts. In this paper, we review the experimental and theoretical studies of the carbon fusion reaction at sub-barrier energies. An outlook for future studies is also presented.

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Fusion of ¹²C + ²⁴Mg at far sub-barrier energies

et al. 2023

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Recent experiments on 12C + 24Mg and preliminary data on 12C + 26Mg show that we observe the hindrance phenomenon in these two systems that are close to the lighter ones relevant for astrophysics. The cross section at the hindrance threshold has a remarkably high value for 12C + 24Mg, while it is closer to an empirical systematics for 12C + 26Mg. The lowest-energy fusion cross sections of 12C + 24Mg are consistent with simple one-dimensional barrier penetration calculations, i.e. the coupling strengths seem to be strongly damped far below the barrier. Measurements at slightly lower energies would be essential to discriminate between different models and to allow reliably extrapolating to the lighter systems producing energy and elemental synthesis in stellar environments.

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Corrigendum to “Constraining the 12C+12C astrophysical S-factors with the 12C+13C measurements at very low energies” [Phys. Lett. B 801 (2020) 135170]

Cited by 7 publications

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Heavy-ion fusion reactions at extreme sub-barrier energies

Heavy-ion fusion reactions at extreme sub-barrier energies

The ¹²C+¹²C fusion reaction at stellar energies

Fusion of ¹²C + ²⁴Mg at far sub-barrier energies

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Corrigendum to “Constraining the 12C+12C astrophysical S-factors with the 12C+13C measurements at very low energies” [Phys. Lett. B 801 (2020) 135170]

Cited by 7 publications

References 0 publications

Heavy-ion fusion reactions at extreme sub-barrier energies

Heavy-ion fusion reactions at extreme sub-barrier energies

The 12C+12C fusion reaction at stellar energies

Fusion of 12C + 24Mg at far sub-barrier energies

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Product

Resources

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The ¹²C+¹²C fusion reaction at stellar energies

Fusion of ¹²C + ²⁴Mg at far sub-barrier energies