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The measurement of the 7 Be(d, 3 He) 6 Li* transfer cross section at 5 MeV/u is carried out.The population of the 2.186 MeV excited state of 6 Li in this reaction channel is observed for the first time.The experimental angular distributions have been analyzed in the finite range DWBA and coupledchannel frameworks.The effect of the 7 Be(d, 3 He) 6 Li reaction on both the 6 Li and 7 Li abundances are investigated at the relevant big-bang nucleosynthesis energies.The excitation function is calculated by TALYS and normalized to the experimental data.The S factor of the (d, 3 He) channel from the present work is about 50% lower than existing data at nearby energies.At big-bang energies, the S factor is about three orders of magnitude smaller than that of the (d, p) channel.The (d, 3 He) reaction rate is found to have a less than 0.1% effect on the 6,7 Li abundances.
Ali et al. (Fri,) studied this question.
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