http://arxiv.org/abs/1909.06021
Since the discovery of molecular resonances in $^{12}$C+$^{12}$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 astrophysical $S^{*}$ factors of $^{12}$C+$^{12}$C fusion have been extracted from several recent direct fusion measurements at deep subbarrier energies near the Gamov window. They were also obtained by the indirect Trojan horse method (THM). A critical comparison of recent direct measurements and the THM, which elucidates problems in the analysis of the THM, is proposed in this Letter to the Editor.
C. Beck, A. Mukhamedzhanov and X. Tang
Mon, 16 Sep 19
32/74
Comments: 5 pages, 2 figures