Differential cross–section measurements and R-Matrix calculations for proton elastic scattering on natMg in the energy range Ep,lab = 2.70–4.25 MeV, suitable for EBS

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 : 2023-03-01 DOI:10.1016/j.nimb.2022.12.027

F. Maragkos , E. Alvanou , M. Axiotis , N. Bligoura , V. Foteinou , S. Harissopulos , M. Kokkoris , A. Lagoyannis , E. Ntemou , N. Patronis , K. Preketes–Sigalas

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Abstract

In the current work the first coherent set of differential cross section values for the ^natMg(p,p₀)^natMg elastic scattering covering the E_p,lab = 2700–4250 keV energy range is presented for 6 backscattering detection angles (120°, 130°, 140°, 150°, 160° and 170°). R-Matrix calculations were implemented using the AZURE 2.0 code [1] in an attempt to reproduce the obtained experimental data, whilst taking into account the ²⁴Mg(p,p₁)²⁴Mg reaction channel. Both results are suitable for EBS and other IBA applications and, furthermore, they form a basis for a future expansion of the current SigmaCalc [2] evaluation, once more experimental data become available. The measurements were performed in the 5.5 MV TN11 HV Tandem Accelerator and the high precision goniometer of N.C.S.R. ‘Demokritos’, Athens, Greece. The experimental and data analysis procedures are presented in detail, along with the process behind the implementation of the R-Matrix calculations.

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质子在natMg上弹性散射的微分截面测量和r -矩阵计算，能量范围为Ep,lab = 2.70-4.25 MeV，适用于EBS

本文给出了6个后向散射探测角(120°、130°、140°、150°、160°和170°)下，覆盖Ep,lab = 2700-4250 keV能量范围的natMg(p,p0)弹性散射的第一组相干微分截面值。使用AZURE 2.0代码[1]进行r -矩阵计算，试图重现获得的实验数据，同时考虑24Mg(p,p1)24Mg反应通道。这两个结果都适用于EBS和其他IBA应用程序，而且，一旦有更多的实验数据可用，它们将为当前SigmaCalc[2]评估的未来扩展奠定基础。在5.5 MV TN11 HV串联加速器和希腊雅典的N.C.S.R.“Demokritos”高精度测角仪上进行了测量。详细介绍了实验和数据分析程序，以及r -矩阵计算实现背后的过程。

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.