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首页> 外文期刊>Physics of atomic nuclei >Asymptotic three-particle approach to the Coulomb breakup process Li-6+Pb-208 -> Pb-208 + alpha plus d
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Asymptotic three-particle approach to the Coulomb breakup process Li-6+Pb-208 -> Pb-208 + alpha plus d

机译:库仑分离过程的渐近三颗粒方法Li-6 + PB-208 - > PB-208 + Alpha Plus D.

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摘要

On the basis of the distorted-wave method, experimental data on the triple-differential cross section for the Coulomb breakup reaction Pb-208(Li-6, alpha d)Pb-208 are analyzed by employing a correct expression for the final-state Pb-208-alpha-d three-particle Coulomb wave function. It is shown that the effect of final-state three-particle Coulomb dynamics can be used to assess the kinematical condition of clean Coulomb breakup processes. New values of the astrophysical S factor for the direct-radiative-capture reaction d(alpha, gamma)Li-6 at ultralow energies in the range of 70 <= E-d alpha <= 600 keV were extracted from experimental data. The value of S(0) = 1.60 +/- 0.17 MeV nb was obtained.
机译:在扭转波方法的基础上,通过采用最终状态的正确表达来分析关于库仑分发反应Pb-208(Li-6,αd)Pb-208的三差分横截面的实验数据 PB-208-alpha-D三粒子库波浪功能。 结果表明,最终状态三粒子库仑动力学的效果可用于评估清洁库仑分离过程的运动型条件。 从实验数据提取70 <= E alpha <= 600kev范围内的超辐射捕获反应D(α,γ)Li-6的天体物理S因子的新值。 获得了S(0)= 1.60 +/- 0.17MeV Nb的值。

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