Coherent X-Ray Radiation Generated Near the Axis of the Beam of Relativistic Electrons in an Artificial Periodic Structure

被引：2
作者：
Blazhevich, S. V. [1 ]
Drygina, Yu. A. [1 ]
Shevchuk, O. Yu. [1 ]
Noskov, A. V. [2 ]
机构：
[1] Belgorod State Univ, Belgorod 308015, Russia
[2] Shukhov Belgorod State Technol Univ, Belgorod 308012, Russia
来源：
JOURNAL OF SURFACE INVESTIGATION | 2020年 / 14卷 / 03期
关键词：
artificial periodic structure; parametric X-ray radiation; dynamic diffraction; beam of relativistic electrons; VELOCITY;
D O I：
10.1134/S1027451020030222
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A theory of the coherent X-ray radiation produced by a beam of relativistic electrons in an artificial periodic structure and propagating along the electron-beam axis is developed. Expressions describing the spectral-angular densities of parametric X-ray radiation in the direction close to the electron velocity vector (FPXR) and of transition radiation (TR) and their interference are obtained in the Bragg scattering geometry. An analysis based on the obtained expressions for the spectral-angular density shows possibilities of their use to determine the optimal parameters of the experiment recording the FPXR. The advantages of the experiment recording the FPXR at low electron energies (E-e <= 50 MeV) are shown.
引用
收藏
页码：586 / 595
页数：10
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