Triple-disk chopper design of horizontal neutron scattering reflectometer

LI Xinxi HUANG Chaoqiang WANG Yan CHEN Bo

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Triple-disk chopper design of horizontal neutron scattering reflectometer

更新时间：2021-03-12

- Triple-disk chopper design of horizontal neutron scattering reflectometer
- NUCLEAR TECHNIQUES Vol. 32, Issue 7, (2009)
- 作者机构：
  
  中国工程物理研究院核物理与化学研究所
- 作者简介：
- 基金信息：
  
  中国工程物理研究院科学技术发展基金(2007B02002)资助
- DOI：
  CLC： TL817
- Published：01 July 2009
- 稿件说明：
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[1]李新喜,黄朝强,王燕,陈波.水平散射几何中子反射谱仪的三盘斩波器设计[J].核技术,2009,32(07):510-514.

LI Xinxi HUANG Chaoqiang WANG Yan CHEN Bo. Triple-disk chopper design of horizontal neutron scattering reflectometer[J]. Nuclear techniques, 2009, 32(7): 510-514.
[1]李新喜,黄朝强,王燕,陈波.水平散射几何中子反射谱仪的三盘斩波器设计[J].核技术,2009,32(07):510-514. DOI：

LI Xinxi HUANG Chaoqiang WANG Yan CHEN Bo. Triple-disk chopper design of horizontal neutron scattering reflectometer[J]. Nuclear techniques, 2009, 32(7): 510-514. DOI：

摘要

为提高水平散射几何中子反射谱仪分辨

希望谱仪前端的中子斩波器能斩出脉冲强度大水平发散度较小的中子脉冲束流

采用新设计的三斩盘斩波器模型

运用Mcstas程序软件考察了不同物理参数下三盘斩波器的中子斩波特性。获得了特定物理条件下相关物理参数对束流强度和发散度的影响关系曲线。计算结果可为水平散射几何中子反射谱仪中三盘斩波器的设计及物理参数的选择提供理论依据。

Abstract

To improve the resolution of horizontal geometry scattering neutron reflectometer

strong but small divergence neutron pulse after the chopper of reflectometer is expected.Performance of a triple-disk chopper model with different physical parameters was simulated with Mcstas codes.The intensity and divergence as function of different physical parameters in given conditions were obtained.The results can provide theoretical basis for designing triple-disk chopper of a horizontal geometry scattering neutron reflectometer.

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Related Author

陈波

黄朝强

王燕

LI Xinxi WANG Yan HUANG Chaoqiang CHEN Bo

MA Zhenyu

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Related Institution

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jiading Campus

University of Chinese Academy of Sciences

Shanghai Key Lab of Cryogenics & Superconducting RF Technology

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China) 2

中国科学院研究生院

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