Coherent bremsstrahlung from relativistic channelled positrons

Lal, R. ; Joshi, S. K. (1980) Coherent bremsstrahlung from relativistic channelled positrons Pramana - Journal of Physics, 15 (2). pp. 175-179. ISSN 0304-4289

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Poor beam collimation leads to overcompensation of suppression of coherent bremsstrahlung in the axial channelling case. This fact has been used to study the effect of beam divergence on the radiation emitted by relativistic (axially) channelled positrons. It has been found that due to beam divergence in the experiment of Alguard and co-workers in which radiation of 56 MeV positrons channelling along <110> rows of a silicon crystal is observed, coherent bremsstrahlung becomes an important contributing factor to the high frequency part of the observed spectrum.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Coherent Bremsstrahlung; Channelling; Beam Divergence; Positrons; Axial Spectrum
ID Code:14694
Deposited On:12 Nov 2010 13:48
Last Modified:16 May 2016 23:39

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