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Hybrid Nine-Pole Wiggler as a Source of “Hard” X-ray Radiation at the VEPP-4 Accelerator Complex
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2020-12-28 , DOI: 10.1134/s1027451020060269
G. H. Baranov , K. E. Cooper , P. A. Piminov , P. D Vobly , A. A. Legkodymov , L. I. Shekhtman , A. N. Shmakov , E. B. Levichev

At the Institute of Nuclear Physics, a nine-pole hybrid wiggler is developed and successfully installed on the VEPP-4 accelerator complex. The nine poles of the wiggler are electromagnets with iron cores. To achieve the largest field, permanent magnets with a residual induction of 1.2 T are installed between the wiggler poles. Such a combination of electromagnets and permanent magnets made it possible to achieve a maximum magnetic induction of 1.9 T, with an interpolar gap of 30 mm. Currently, at the Siberian Center of Synchrotron and Terahertz Radiation, several research methods using the “hard” X-ray range (50–250 keV) based on radiation from a nine-pole wiggler are being certified. For example, using this radiation, the X‑ray imaging of fast processes, X-ray computed tomography, X-ray fluorescence analysis, and X-ray diffraction studies are carried out. A brief review of these studies is presented.



中文翻译:

混合九极摇摆器作为VEPP-4加速器综合体的“硬” X射线辐射源

在核物理研究所,开发了一种九极混合摆动器,并将其成功安装在VEPP-4加速器装置上。摇摆器的九个极是带有铁芯的电磁体。为了获得最大的磁场,在磁极之间安装了剩磁为1.2 T的永磁体。电磁体和永磁体的这种组合使得有可能实现1.9 T的最大磁感应,极间间隙为30 mm。目前,在西伯利亚同步加速器和太赫兹辐射中心,基于九极摆动器的辐射,使用“硬” X射线范围(50–250 keV)的几种研究方法正在得到认证。例如,使用这种辐射,快速过程的X射线成像,X射线计算机断层扫描,X射线荧光分析,并且进行了X射线衍射研究。简要回顾了这些研究。

更新日期:2020-12-28
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