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

Research output: Contribution to journalConference article

28 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)114-122
Number of pages9
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume201
Issue number1
DOIs
Publication statusPublished - 1 Jan 2003
EventRREPS 2001 - Lake Aya, Russian Federation
Duration: 1 Sep 20011 Sep 2001

Fingerprint

Tungsten
Angular distribution
tungsten
angular distribution
Radiation
X rays
Crystals
Electrons
radiation
Electron beams
crystals
electron beams
electrons
x rays
Wave interference
Bragg angle
Electron transitions
Synchrotrons
synchrotrons
Photons

Keywords

  • Dynamical diffraction
  • Emission angular distribution
  • Photon spectra
  • X-ray emission

ASJC Scopus subject areas

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

Cite this

Angular distribution of X-ray radiation by 500 MeV electrons in a tungsten crystal. / Adischev, Y. N.; Arishev, S. N.; Vnukov, A. V.; Vukolov, A. V.; Potylitsyn, A. P.; Kuznetsov, S. I.; Zabaev, V. N.; Kalinin, B. N.; Kaplin, V. V.; Uglov, S. R.; Kubankin, Alexandr Sergeevich; Nasonov, N.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 201, No. 1, 01.01.2003, p. 114-122.

Research output: Contribution to journalConference article

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T1 - Angular distribution of X-ray radiation by 500 MeV electrons in a tungsten crystal

AU - Adischev, Y. N.

AU - Arishev, S. N.

AU - Vnukov, A. V.

AU - Vukolov, A. V.

AU - Potylitsyn, A. P.

AU - Kuznetsov, S. I.

AU - Zabaev, V. N.

AU - Kalinin, B. N.

AU - Kaplin, V. V.

AU - Uglov, S. R.

AU - Kubankin, Alexandr Sergeevich

AU - Nasonov, N.

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N2 - 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.

AB - 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.

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KW - Emission angular distribution

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