| 中子粉末衍射谱仪垂直聚焦单色器的调试方法 |
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| 引用本文： | 谢超美,刘丽鹃,刘艳红,彭梅,李新喜,蒋励,唐斌.中子粉末衍射谱仪垂直聚焦单色器的调试方法[J].核技术,2007,30(4):282-285. |
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| 作者姓名： | 谢超美 刘丽鹃 刘艳红 彭梅 李新喜 蒋励 唐斌 |
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| 作者单位： | 中国工程物理研究院核物理与化学研究所,绵阳,621900;俄罗斯圣彼得堡核物理研究所 |
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| 基金项目： | 致谢 感谢中国工程物理研究院核物理与化学研究所300^#反应堆运行人员在调试过程中的大力支持. |
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| 摘 要： | 介绍了中子散射谱仪用的中子垂直聚焦单色器的基本原理,描述了安装在中国工程物理研究院核物理与化学研究所的中子衍射谱仪的中子垂直聚焦单色器的调节方法.在样品处利用中子照相确定了束斑的中心位置和大小,通过在水平和垂直方向上的扫描得到了可利用的中子束的面积,测量了该处的最大中子注量率,结果表明在样品处得到略大于一倍的增益.
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| 关 键 词： | 中子衍射谱仪 垂直聚焦单色器 调试方法 |
| 修稿时间： | 2007-01-12 |
Adjustment method of vertically focused monochromator of neutron diffractometer |
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| A Boulkin,V Oulianov,XIE Chaomei,LIU Lijuan,LIU Yanhong,PENG Mei,LI Xinxi,A Boulkin,V Oulianov,JIANG Li,TANG Bin.Adjustment method of vertically focused monochromator of neutron diffractometer[J].Nuclear Techniques,2007,30(4):282-285. |
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| Authors: | A Boulkin V Oulianov XIE Chaomei LIU Lijuan LIU Yanhong PENG Mei LI Xinxi A Boulkin V Oulianov JIANG Li TANG Bin |
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| Affiliation: | 1.Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyan 621900;2.St. Petersburg Nuclear Physics Institute, Russia |
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| Abstract: | The article introduces the basic principle of the vertically focused monochrornator used in neutron scattering spectrometer which has been installed in Institute of Nucleus Physics and Chemistry as well as the adjustment method of the monochromator. The central position and dimension of neutron beam were determined by using neutron radiography, and the available area of the beam was obtained by scanning the sample position along horizontal and vertical directions. The biggest nutron fluence was measured at the sample position. The measured neutron fluence rate data show that almost double gain was got at the sample position. |
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| Keywords: | Neutron diffractometer Vertically focused monochromator Adjustment method |
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