Angular distribution of X-ray radiation by 500 MeV electrons in a tungsten crystal

Y. N. Adischev, S. N. Arishev, A. V. Vnukov, A. V. Vukolov, A. P. Potylitsyn, S. I. Kuznetsov, V. N. Zabaev, B. N. Kalinin, V. V. Kaplin, S. R. Uglov, Alexandr Sergeevich Kubankin, N. Nasonov

Результат исследований: Материалы для журнала

29 Цитирования (Scopus)

Аннотация

X-rays generated by a 500 MeV electron beam of the Tomsk synchrotron in a tungsten single crystal with a mosaic factor less than 80 has been studied theoretically and experimentally. The tungsten crystal was a block with sizes 1.7 × 10 × 15 mm3 aligned with the (111) plane at the Bragg angle θB ≈ 45° to the electron beam axis. The emitted photons were detected at an angle of 2θB with respect to the electron beam. The emitted angular distributions for the (222) and (444) orders have been measured and compared with predictions of the developed theoretical model. This model takes the contribution of parametric X-radiation (PXR) and diffracted transition radiation (DTR) generated by relativistic electrons from in-surface of a crystalline target as well as an influence of an interference between PXR and DTR emission mechanisms into account. The obtained results show the important contribution of DTR to the measured emission yield.

Язык оригиналаАнглийский
Страницы (с-по)114-122
Число страниц9
ЖурналNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Том201
Номер выпуска1
DOI
СостояниеОпубликовано - 1 янв 2003
СобытиеRREPS 2001 - Lake Aya, Российская Федерация
Продолжительность: 1 сен 20011 сен 2001

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

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