Status on $$^{\mathbf {12}}\mathbf {C}+{}^{\mathbf {12}}{\mathbf {C}}$$12C+12C fusion at deep subbarrier energies: impact of resonances on astrophysical $$S^{*}$$S∗ factors
European Physical Journal A(2020)
摘要
Since the discovery of molecular resonances in $$^{12}\\hbox {C}+^{12}\\hbox {C}$$ in the early sixties a great deal of research work has been undertaken to study $$\\alpha $$-clustering and resonant effects of the fusion process at sub-Coulomb barrier energies. The modified astrophysical $$S^{*}$$ factors of $$^{12}\\hbox {C}+^{12}\\hbox {C}$$ fusion have been extracted from direct fusion measurements at deep sub-barrier energies near the Gamow window. They were also obtained by the indirect Trojan horse method (THM). A comparison of direct measurements and the THM, which elucidates problems in the analysis of the THM, is discussed in this Letter to the Editor.
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关键词
deep subbarrier energies,fusion,resonances
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