4EASONS光谱仪的能量分辨率和中子通量

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2020-03-19 DOI:10.3233/jnr-200146

R. Kajimoto, M. Nakamura, K. Iida, K. Kamazawa, K. Ikeuchi, Y. Inamura, M. Ishikado

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引用次数: 1

摘要

对日本质子加速器研究中心(J-PARC)的直接几何中子斩波光谱仪4SEASONS的弹性能分辨率、积分强度和峰值强度进行了重新研究。利用钒的非相干散射和简单的解析公式，对入射能量和费米斩波器的转速进行了计算。模型计算令人满意地再现了观测值。本文的工作对实验中仪器性能的估计有一定的参考价值。

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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Energy resolution and neutron flux of the 4SEASONS spectrometer revisited

The elastic energy resolution, integrated intensity, and peak intensity of the direct-geometry neutron chopper spectrometer 4SEASONS at Japan Proton Accelerator Research Complex (J-PARC) were re-investigated. This was done with respect to the incident energy and the rotation speed of the Fermi chopper using incoherent scattering of vanadium and simple analytical formulas. The model calculations reproduced the observed values satisfactorily. The present work should be useful for estimating in instrument performance in experiments.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.