利用修正的电位模型计算 $${}^{mathbf{9}}\mathbf{Be}$$ ( $$\mathbf{p}$$ , $$\boldsymbol\{gamma}$$ ) $${}^{mathbf{10}}$ B 反应的热核速率* **

IF 1.1 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Astronomy Letters-A Journal of Astronomy and Space Astrophysics Pub Date : 2024-03-17 DOI:10.1134/S1063773723110117
Leila Asgari, Hossein Sadeghi, Hassan Khalili
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引用次数: 0

摘要

摘要质子俘获反应是探索核结构的重要工具。具体地说,在p壳中\({}^{9}\)Be上的辐射质子俘获在轻元素的核合成中起着重要作用。我们利用修正势模型研究了反应 ({}^{9}\textrm{Be}(\textrm{p},\gamma)^{10}\)B。在这一框架内,我们研究了与这一反应相关的各种电场和磁场跃迁,并计算了直接俘获和共振俘获的速率。通过在 0.006 到 1 T9 的温度范围内使用计算出的总截面,我们评估了 \({}^{9}\textrm{Be}(\textrm{p},\gamma)^{10}\)B 的反应速率。计算出的速率与从 NACRE II 获得的数据进行了对比分析。天体物理 S 因子和反应速率是通过分析来表示的,同时还估算了低洼共振对反应速率的影响。
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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The Thermonuclear Rate of \({}^{\mathbf{9}}\mathbf{Be}\)(\(\mathbf{p}\), \(\boldsymbol{\gamma}\))\({}^{\mathbf{10}}\)B Reaction by Using the Modified Potential Model*

The proton capture reaction serves as a valuable tool for exploring the nuclear structure. Specifically, in the p-shell, the radiative proton capture on \({}^{9}\)Be plays a significant role in the nucleosynthesis of light elements. We have investigated the reaction \({}^{9}\textrm{Be}(\textrm{p},\gamma)^{10}\)B using the modified potential model. Within this framework, we have examined various electric and magnetic transitions associated with this reaction and have computed the rates for both direct capture and resonance capture. The reaction rate of \({}^{9}\textrm{Be}(\textrm{p},\gamma)^{10}\)B is evaluated by employing the computed total cross-sections across a temperature range of 0.006 to 1 T9. A comparative analysis is conducted between the calculated rate and the data obtained from NACRE II. The astrophysical S factor and reaction rate are expressed analytically, accompanied by an estimation of the influence of low-lying resonances on the reaction rate.

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来源期刊
CiteScore
1.70
自引率
22.20%
发文量
0
审稿时长
6-12 weeks
期刊介绍: Astronomy Letters is an international peer reviewed journal that publishes the results of original research on all aspects of modern astronomy and astrophysics including high energy astrophysics, cosmology, space astronomy, theoretical astrophysics, radio astronomy, extragalactic astronomy, stellar astronomy, and investigation of the Solar system.
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