Speaker
Mr
Koryun Gevorgyan
(Yerevan State University (student))
Description
The problem of the radiation of channeled positron beam in a system nanotubes is solved. The polarization of the medium imposes a ban on the value of the beam energy for the formation of radiation. The energy threshold increases with increasing amplitude of the oscillations of positrons. The case is considered whenthe beam energy coincides with the threshold energy for the maximum amplitude of the oscillations of positrons. The formula is derivedfor the spectrum of the total number of emitted photons. Due to the symmetry of the problem with respect to the azimuthal angle, the beam of circularly polarized photons is formed.The threshold energy for a nanotube with the radius 7 Å approximately equals 50 MeV.For this energy, directed and quasi-monochromatic beamof photons is generated with an energy of 3 keV.
Primary author
Mr
Koryun Gevorgyan
(Yerevan State University (student))
Co-authors
Mr
Hayk Gevorgyan
(Yerevan State Univesity (student))
Prof.
Lekdar Gevorgian
(A. Alikhanyan National Laboratory (Yerevan Physics Institute))
