反应14C(11B, 12C)13B在Elab(11B) = 45 MeV, 13B + 12C与10,11,12b + 12C的相互作用

IF 0.4 Q4 PHYSICS, NUCLEAR

Nuclear Physics and Atomic Energy Pub Date : 2022-03-25 DOI:10.15407/jnpae2022.01.012

S. Mezhevych, A. Rudchik, K. Rusek, K. Kemper, A. A. Rudchik, O. Ponkratenko, E. I. Koshchy

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引用次数: 1

摘要

本文采用耦合反应通道(CRC)方法，对13B和12C基态在能量Еlab(11B) = 45 MeV下最新获得的14C(11B, 12C)13B反应的微分截面新实验数据进行了分析，该方法包括11B + 14C弹性散射通道以及耦合方案中核子的一步和两步转移通道。入口反应通道所需的11B + 14C Woods - Saxon (WS)光势参数是前人从11B弹性散射中得到的，而12C + 13B相互作用的光势参数是通过对14C(11B, 12C)13B反应数据进行CRC拟合得到的。在平移不变壳层模型中计算了转移核子和团簇所需的光谱振幅。质子的直接转移很好地描述了这些数据，而发现两步转移的贡献可以忽略不计。推导出的13B + 12C的WS光势参数与10、11、12B + 12C原子核相互作用的光势参数进行了比较。观察了同位素差异对这些相互作用的影响。

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Reaction 14C(11B, 12C)13B at Elab(11B) = 45 MeV, interaction of 13B + 12C versus that of 10,11,12B + 12C

New experimental data for differential cross-sections of the 14C(11B, 12C)13B reaction obtained recently at the energy Еlab(11B) = 45 MeV for the ground states of 13B and 12C were analyzed within the coupled reaction channels (CRC) method that included the 11B + 14C elastic scattering channel as well as channels for one- and two-step transfers of nucleons in the coupling scheme. The necessary 11B + 14C Woods - Saxon (WS) optical potential parameters for the entrance reaction channel were obtained from 11B elastic scattering in the previous work, while those for 12C + 13B interaction were deduced from fitting the CRC calculations to the 14C(11B, 12C)13B reaction data. Needed spectroscopic amplitudes of transferred nucleons and clusters were calculated within the translational-invariant shell model. The data are well described by the direct transfer of a proton while contributions from two-step transfers were found to be negligible. The deduced 13B + 12C WS optical potential parameters are compared with those of the 10,11,12B + 12C nuclei interactions. The effect of isotopic differences in these interactions was observed.

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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.