Channeling of fast positrons on a crystal surface in a uniform magnetic field

V. Epp, V. Kaplin, L. Vlasova

Результат исследований: Материалы для журналаСтатья

Выдержка

The conditions of channeling of relativistic positively charged particles near the surface of a crystal in the presence of a magnetic field parallel to the surface are studied. It is shown that the emission spectrum of a single particle is discrete. The frequency of the first harmonic and the number of harmonics, making a significant contribution to the spectrum depend strongly on the initial coordinates and velocities of the particles. When averaged over the initial coordinate of the particle, the spectrum becomes continuous. The spectral range in which the radiation of parallel beam of particles is generated, does not depend on the magnetic field and is determined only by the energy of the particles and the averaged potential of the surface atomic layer. Radiation is concentrated in a narrow cone in the direction of the average velocity of the particles and polarized essentially in the plane orthogonal to the crystal surface.

Язык оригиналаАнглийский
Страницы (с-по)19-24
Число страниц6
ЖурналNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Том362
DOI
СостояниеОпубликовано - 1 ноя 2015

Отпечаток

Positrons
crystal surfaces
positrons
Magnetic fields
Crystals
magnetic fields
Radiation
Charged particles
harmonics
Cones
relativistic particles
continuous spectra
radiation
cones
charged particles
emission spectra
crystals

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Цитировать

Channeling of fast positrons on a crystal surface in a uniform magnetic field. / Epp, V.; Kaplin, V.; Vlasova, L.

В: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Том 362, 01.11.2015, стр. 19-24.

Результат исследований: Материалы для журналаСтатья

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