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    • Coherent bremsstrahlung from relativistic channelled positrons

      R Lal S K Joshi

      Solid State Physics Volume 15 Issue 2 August 1980 pp 175-179

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/015/02/0175-0179

    • Keywords

       

      Coherent bremsstrahlung; channelling; beam divergence; positrons; axial spectrum

    • Abstract

       

      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.

    • Author Affiliations

       

      R Lal1 S K Joshi1

      1. Physics Department, Roorkee University, Roorkee - 247 672, India

    • Dates

       
      Published
      August 1980
      Manuscript received
      8 February 1980
      Manuscript revised
      29 May 1980

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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