Effect of the channeling of ultrarelativistic electrons on the spectrum of coherent bremsstrahlung of type B
Amosov K. Yu., Vnukov I. E., Kalinin B. N., Naumenko G. A., Potylitsyn A. P., Sarychev V. P.
The spectrum of coherent bremsstrahlung of type В generated in a diamond single crystal by 300-MeV electrons has been measured. When the electrons move in directions far from crystallographic directions, the emission spectrum can be described well by the standard theory of coherent bremsstrahlung. Under channeling conditions, there is a significant discrepancy with the theory, and the emission spectrum broadens. It is suggested that this result is a consequence of a "splitting" of a spectral line due to the effect of the average potential of the crystallographic axis or plane.
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![](/ps/1277/article_19318_800_head.png "The spectrum of coherent bremsstrahlung of type В generated in a diamond single crystal by 300-MeV electrons has been measured. When the electrons move in directions far from crystallographic directions, the emission spectrum can be described well by the standard theory of coherent bremsstrahlung. Under channeling conditions, there is a significant discrepancy with the theory, and the emission spectrum broadens. It is suggested that this result is a consequence of a "splitting" of a spectral line due to the effect of the average potential of the crystallographic axis or plane.")