Measurement of the 11B(p,α0)8Be and the 11B(p,α1)8Be* reactions cross-sections at the proton energies up to 2.2 MeV

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2024-08-02 DOI:10.1016/j.nimb.2024.165490

Sergey Taskaev , Victor Bessmeltsev , Marina Bikchurina , Timofey Bykov , Dmitrii Kasatov , Iaroslav Kolesnikov , Alexey Nikolaev , Efim Oks , Georgii Ostreinov , Sergey Savinov , Anna Shuklina , Evgeniia Sokolova , Georgy Yushkov

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Abstract

The proton boron fusion reaction attracts the attention of scientist since the dawn of nuclear physics for its relevance and potential application in different fields, from aneutronic fusion to astrophysics and hadron therapy. This reaction has been studied since the 1930s, but data from different authors differ. Obtaining the reliable experimental data on fundamental parameters (for example, direct or sequential decay, the cross-section, the energy spectrum of α-particles, the orbital angular momentum of α-particles) is still relevant. Measurements of the reactions cross-sections were carried out at the accelerator-based neutron source VITA at Budker Institute of Nuclear Physics (Novosibirsk, Russia) using an α-spectrometer. The ¹¹B(p, α₀)⁸Be and the ¹¹B(p, α₁)⁸Be* reactions cross-sections at the proton energies up to 2.2 MeV have been measured. The obtained data are presented in tabular form.

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测量质子能量高达 2.2 MeV 时的 11B(p,α0)8Be 和 11B(p,α1)8Be*反应截面

自核物理诞生以来，质子硼聚变反应就一直吸引着科学家们的目光，因为它在从非中子聚变到天体物理学和强子治疗等不同领域都具有相关性和潜在应用价值。自 20 世纪 30 年代以来，人们一直在研究这一反应，但不同学者提供的数据各不相同。获取有关基本参数（如直接衰变或顺序衰变、截面、α粒子的能谱、α粒子的轨道角动量）的可靠实验数据仍然具有现实意义。在布德克核物理研究所（俄罗斯新西伯利亚）的加速器中子源 VITA 中，使用 α 光谱仪对反应截面进行了测量。测量了质子能量高达 2.2 MeV 时的 11B(p，α0)8Be 和 11B(p，α1)8Be*反应截面。获得的数据以表格形式列出。

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 Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms 物理-核科学技术

CiteScore

2.80

自引率

7.70%

发文量

231

审稿时长

1.9 months

期刊介绍： Section B of Nuclear Instruments and Methods in Physics Research covers all aspects of the interaction of energetic beams with atoms, molecules and aggregate forms of matter. This includes ion beam analysis and ion beam modification of materials as well as basic data of importance for these studies. Topics of general interest include: atomic collisions in solids, particle channelling, all aspects of collision cascades, the modification of materials by energetic beams, ion implantation, irradiation - induced changes in materials, the physics and chemistry of beam interactions and the analysis of materials by all forms of energetic radiation. Modification by ion, laser and electron beams for the study of electronic materials, metals, ceramics, insulators, polymers and other important and new materials systems are included. Related studies, such as the application of ion beam analysis to biological, archaeological and geological samples as well as applications to solve problems in planetary science are also welcome. Energetic beams of interest include atomic and molecular ions, neutrons, positrons and muons, plasmas directed at surfaces, electron and photon beams, including laser treated surfaces and studies of solids by photon radiation from rotating anodes, synchrotrons, etc. In addition, the interaction between various forms of radiation and radiation-induced deposition processes are relevant.