X-ray Cherenkov radiation near photoabsorption edge; Physics-Uspekhi; Vol. 68, iss. 12

X-ray Cherenkov radiation near photoabsorption edge; Physics-Uspekhi; Vol. 68, iss. 12

Bibliographic Details
Parent link:	Physics-Uspekhi.— .— London: Turpion Ltd Vol. 68, iss. 12.— 2025.— P. 1268–1282
Other Authors:	Potylitsyn A. P. Alexander Petrovich, Vukolov A. V. Artem Vladimirovich, Uglov S. R. Sergey Romanovich, Shevelev M. V. Mihail Viktorovich
Summary:	Title screen A radiation mechanism — Vavilov—Cherenkov radiation (VCR) in the soft X-ray region — is considered. A region of anomalous dispersion exists near the photoabsorption edges of some materials where the real part of the permittivity exceeds unity. It is in this narrow frequency range that the VCR mechanism is realized. Analytical expressions for spectral and angular distributions of VCR from a target, an inclined plate, are derived. The VCR formation length is estimated taking into account absorption in the target (radiator) material. An experiment is discussed in which VCR in the 100-eV photon energy range was examined using a 5.7-MeV electron beam from the Tomsk Polytechnic University microtron. Experimental data and theory are shown to be in satisfactory agreement Текстовый файл AM_Agreement
Language:	English
Published:	2025
Subjects:	электронный ресурс труды учёных ТПУ Vavilov—Cherenkov effect formation length anomalous dispersion X-ray radiation grazing incidence
Online Access:	https://doi.org/10.3367/UFNe.2025.05.039926
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=684815

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