Speaker
Lekdar Gevorgyan
(Yerevan Phisics Institute)
Description
In the crystalline Wiggler (CW) channeled positron oscillates both the higher and less frequently due to the curvature of the planes in the crystal. The parameter of the Wiggler is much greater than unity, the main contribution to the radiation give higher harmonics, the spectra of which overlap.
Radiation is emitted at a small angle in the narrow layer containing the plane of motion of the positron.
Classical theory is applicable in a limited interval of frequencies. Because when considering the theory of radiation taking into account the photons with large frequency,energy losses becomes of the order of energy positron.
We find the boundary frequency when the positron loses all its energy, of course, that the problem should be solved in the framework of quantum theory, taking into account energy losses.
Author
Lekdar Gevorgyan
(Yerevan Phisics Institute)
