\共振\(^{14}\)N+(α)散射中的α簇结构

IF 2.6 3区物理与天体物理 Q2 PHYSICS, NUCLEAR

The European Physical Journal A Pub Date : 2024-11-06 DOI:10.1140/epja/s10050-024-01434-z

A. K. Nurmukhanbetova, V. Z. Goldberg, A. Volya, D. K. Nauruzbayev, G. V. Rogachev

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引用次数: 0

摘要

在阿斯塔纳回旋加速器上，使用TTIK方法研究了6.5到9 MeV的\(^{18}\)F激发区域的共振\(^{14}\)N+(\alpha \)粒子散射。在 R 矩阵计算框架内分析了弹性 \(^{14}\)N+\(α \)散射的激发函数。观察到的\(^{18}\)F中的强α簇结构与\(^{18}\)O中的强α簇结构进行了比较。虽然两个原子核的结构基本一致，但在 l = 4 共振中发现了惊人的差异。实验结果与构型相互作用计算结果进行了比较。

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\(^{18}\)F alpha cluster structure in the resonant \(^{14}\)N+\(\alpha \) scattering

The resonant \(^{14}\)N+\(\alpha \) particle scattering was studied in the \(^{18}\)F excitation region from 6.5 to 9 MeV at Astana cyclotron using the TTIK approach. The excitation functions for the elastic \(^{14}\)N+\(\alpha \) scattering were analyzed in the framework of R matrix calculations. The observed strong alpha cluster structure in \(^{18}\)F is compared with that in \(^{18}\)O. While the general agreement of the structure in both nuclei is confirmed, a striking difference for l = 4 resonances is found. The experimental results are compared with configuration interaction calculations.

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来源期刊

The European Physical Journal A 物理-物理：核物理

CiteScore

5.00

自引率

18.50%

发文量

216

审稿时长

3-8 weeks

期刊介绍： Hadron Physics Hadron Structure Hadron Spectroscopy Hadronic and Electroweak Interactions of Hadrons Nonperturbative Approaches to QCD Phenomenological Approaches to Hadron Physics Nuclear and Quark Matter Heavy-Ion Collisions Phase Diagram of the Strong Interaction Hard Probes Quark-Gluon Plasma and Hadronic Matter Relativistic Transport and Hydrodynamics Compact Stars Nuclear Physics Nuclear Structure and Reactions Few-Body Systems Radioactive Beams Electroweak Interactions Nuclear Astrophysics Article Categories Letters (Open Access) Regular Articles New Tools and Techniques Reviews.