Effects of dynamic diffraction in coherent X-ray radiation from a beam of relativistic electrons in a periodic layered medium with three layers in a period

被引：0
|
作者：
Noskov, A. V. [1 ]
Blazhevich, S. V. [2 ]
机构：
[1] Moscow Tech Univ Commun & Informat, St Aviamotornaya 8a, Moscow 111024, Russia
[2] Belgorod State Univ, Pobedy Str 85, Belgorod 308015, Russia
来源：
PHYSICS LETTERS A | 2024年 / 525卷
关键词：
Periodic layered medium; Coherent X -Ray radiation; Dynamic diffraction; Parametric X -Ray radiation; Diffracted transition radiation;
D O I：
10.1016/j.physleta.2024.129835
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The possibilities of manifestation of dynamic diffraction effects in coherent X-ray radiation (CXR) of relativistic electrons in a periodic layered medium (PLM) with three different layers in a period are being investigated. A dynamic theory of CXR of relativistic electrons has been developed for the case of such a target. The corresponding formulas for the spectral-angular characteristics of parametric X-ray radiation (PXR) and diffracted transition radiation (DTR) are obtained and studied. The influence of asymmetric diffraction on the spectral- angular densities of PXR and DTR is shown. A striking effect of anomalous photoabsorption in PXR in a layered target, similar to the Bormann effect in a single crystal, is predicted.
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页数：11
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