6Li(10B,9Be)7Be reaction mechanisms. Structure and interaction of 9Be + 7Be nuclei

IF 0.4 Q4 PHYSICS, NUCLEAR

Nuclear Physics and Atomic Energy Pub Date : 2021-09-25 DOI:10.15407/jnpae2021.03.230

A. Rudchik, A. A. Rudchik, O. Chepurnov, K. Rusek, K. Kemper, E. I. Koshchy, S. Mezhevych, Val. M. Pirnak, O. Ponkratenko, A. Stolarz, R. Siudak, A. P. Ilyin, Y. Stepanenko, V. Uleshchenko, Yu. O. Shyrma

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Abstract

New experimental data of angular distributions for the 6Li(10B,9Be)7Be reaction were measured at the energy Elab(10B) = 51 MeV for the ground states of nuclei and excited 0.429 - 7.2 MeV states of 7Be. The reaction experimental data were analyzed within coupled-reaction-channels method (CRC) for many types of the nucleon and cluster transfers which spectroscopic amplitudes (factors) in the 9Be and 7Be nuclei were calculated using translation invariant shell model. The Woods - Saxon potential was used for CRC-calculations. The 6Li + 10B potential parameters were deduced before from the analysis of experimental data of 10B ions scattering by 6Li nuclei at the energy Elab(10B) = 51 MeV, and the 9Be + 7Be potential parameters for exit reaction channel were deduced from the CRC calculations fitting to the reaction experimental data. Thus, the information about the 9Be + 7Be optical potential, the basic reaction mechanisms and the 9Be and 7Be nuclei structures were deduced.

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6Li(10B,9Be)7Be反应机理。9Be + 7Be原子核的结构和相互作用

在原子核基态Elab(10B) = 51 MeV和7Be激发态0.429 ~ 7.2 MeV下，测量了6Li(10B,9Be)7Be反应角分布的新实验数据。用耦合反应通道法(CRC)分析了多种类型的核子和簇转移的反应实验数据，并利用平移不变壳层模型计算了9Be和7Be核的光谱振幅(因子)。伍兹-撒克逊势用于crc计算。通过对6Li核在Elab(10B) = 51 MeV下对10B离子散射实验数据的分析，推导出了6Li + 10B的势参数，并根据与反应实验数据拟合的CRC计算推导出了出口反应通道的9Be + 7Be势参数。由此推导出了9Be + 7Be的光势、基本反应机理以及9Be和7Be的核结构等信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nuclear Physics and Atomic Energy PHYSICS, NUCLEAR-

CiteScore

0.70

自引率

33.30%

发文量

审稿时长

19 weeks

期刊介绍： The journal Nuclear Physics and Atomic Energy presents the publications on Nuclear Physics, Atomic Energy, Radiation Physics, Radioecology, Engineering and Methods of Experiment. The journal includes peer-reviewed articles which are completed works containing new results of theoretical and experimental researches and are of interest for the scientists, postgraduate students, engineers and for the senior students.