10B(p, αγ1)7Be, 10B(p, p'γ1)10B 和 11B(p, p'γ1) 11B 反应的差分截面测量结果

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 : 2024-08-16 DOI:10.1016/j.nimb.2024.165509

Hafez Taghipour Aslani , Alireza Jokar , Ali Akbar Mehmandoost-Khajeh-Dad , Hossien Rafi-Kheiri

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引用次数: 0

摘要

在质子实验室能量为 912-2776 keV、90° 时，测量了 10Be(p,αγ1)7Be（Eγ = 429 keV）、10Be(p,p'γ1)10B（Eγ = 718 keV）和 11Be(p,p'γ1)11B（Eγ = 2124 keV）反应的差分截面。质子束撞击在蒸发到自支撑薄碳层上的 natB2O3 薄膜上。在共振（非共振）区域，入射能量以 10 (20) keV 为单位递增。我们的数据与现有的文献数据进行了比较。通过比较当前差分截面计算出的厚靶伽马射线产率和现有测量的厚靶伽马射线产率，执行了一个基准程序。据估计，截面的总体系统不确定性约为 10%，主要与目标厚度的确定有关。

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Differential cross-section measurement for 10B(p, αγ1)7Be, 10B(p, p’γ1)10B and 11B(p, p’γ1) 11B reactions

Differential cross-sections of the ¹⁰B(p, αγ₁)⁷Be (E_γ = 429 keV), ¹⁰B(p, p’γ₁)¹⁰B (E_γ = 718 keV) and ¹¹B(p, p’γ₁) ¹¹B (E_γ = 2124 keV) reactions have been measured at proton laboratory energies of 912–2776 keV at 90^°. The proton beam impinged on a thin ^natB₂O₃ film evaporated onto a self-supporting thin carbon layer. The incident energies were increased by 10 (20) keV steps in the resonance (off-resonance) regions. Our data are compared with the existing ones from literature. A benchmark procedure was performed by comparing the calculated thick-target yields from the current differential cross-sections with the existing measured thick target gamma-ray yields. The overall systematic uncertainty of the cross-sections was estimated to be about 10 %, mainly related to the target thickness determination.

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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.