Measuring the Transverse Sizes of an Electron Beam by the Angular Distribution of the Coherent Radiation of Electrons in a Crystal

Autor: M.A. Sidnin, Yu.A. Goponov, R. A. Shatokhin, K. Sumitani, I.E. Vnukov, Yuichi Takabayashi
Rok vydání: 2019
Předmět:
Zdroj: Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. 13:515-524
ISSN: 1819-7094
1027-4510
DOI: 10.1134/s1027451019030340
Popis: A technique for determining the transverse sizes of a beam on a target from the two-dimensional angular distributions of the radiation for two distances between the emitting crystal and a coordinate detector is proposed. The desired sizes are obtained from the results of fitting, in which the fitted function is the distribution at a shorter distance and the fitting function is the convolution of the angular distribution at a greater distance with a two-dimensional Gaussian distribution with the parameters uniquely related to the beam sizes on the target and crystal-to-detector distance. The limits of applicability of the proposed technique are determined.
Databáze: OpenAIRE
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