First studies of 500-nm Cherenkov radiation from 255-MeV electrons in a diamond crystal

First studies of 500-nm Cherenkov radiation from 255-MeV electrons in a diamond crystal

Bibliografski detalji
Parent link:	Physics Letters A Vol. 379, iss. 14-15.— 2015.— [P. 1032-1035]
Glavni autor:	Takabayashi Y.
Autor kompanije:	Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра экспериментальной физики (ЭФ)
Daljnji autori:	Fiks E. I. Elena Ivanovna, Pivovarov Yu. L. Yuriy Leonidovich
Sažetak:	Title screen The first experiment on Cherenkov light from 255-MeV electrons passing through a 50-?m-thick diamondcrystal in a special geometry allowing extraction of 500-nm Cherenkov light at a right angle with respectto the electron beam direction has been performed at the injector linac of SAGA Light Source acceleratorfacility. The dependence of 500-nm Cherenkov light intensity (separated by a band-pass filter) on thecrystal rotation angle was measured by a CCD detector. The experimentally obtained rocking curvewith an intense maximum is theoretically explained as the projector effect of Cherenkov light deflectedby the exit surface of the crystal. The width of the rocking curve is explained by the convolution ofthe standard Tamm–Frank angular distribution of Cherenkov radiation with chromatic aberration, themultiple scattering of electrons in a crystal, and initial electron beam angular divergence. In addition, itis found that the Cherenkov light intensity did not change under the (220) planar channeling condition,which is consistent with a recent theory. Режим доступа: по договору с организацией-держателем ресурса
Izdano:	2015
Teme:	электронный ресурс труды учёных ТПУ черенковские спектрометры черенковское излучение кристаллы рефракция
Online pristup:	https://doi.org/10.1016/j.physleta.2015.01.036
Format:	Elektronički Poglavlje knjige
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=654980

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