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Cherenkov-transition radiation in gamma frequency region

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Journal of Contemporary Physics (Armenian Academy of Sciences) Aims and scope

Abstract

The spectral and angular distributions, as well as the total number of photons of gammaray Cherenkov-transition radiation (GCTR) produced by charged particles in the photon energy region (0.8–2) MeV, are calculated using the results of the recent discovery that in the above-mentioned region the refraction index of some materials is greater than unity, n(ω) > 1, due to Delbruck scattering on Coulomb field of nuclei. Using the results of the numerical calculations carried out, we propose an experimental arrangement for observation and study of GCTR produced by electrons with energy much higher than the threshold energy of GCTR (∼10 GeV). Some applications of GCTR, in particular, the search for new materials with n(ω) > 1 in gamma region with the help of this method, are discussed.

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Author information

Authors and Affiliations

  1. A.I. Alikhanian National Scientific Laboratory, Yerevan, Armenia

    M. A. Aginian, K. A. Ispirian & M. K. Ispiryan

  2. Yerevan State University, Yerevan, Armenia

    G. A. Sargsyan

Authors
  1. M. A. Aginian
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  2. K. A. Ispirian
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  3. M. K. Ispiryan
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  4. G. A. Sargsyan
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Corresponding author

Correspondence to K. A. Ispirian.

Additional information

Original Russian Text © M.A. Aginian, K.A. Ispirian, M.K. Ispiryan, G.A. Sargsyan, 2014, published in Izvestiya NAN Armenii, Fizika, 2014, Vol. 49, No. 5, pp. 299–308.

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Aginian, M.A., Ispirian, K.A., Ispiryan, M.K. et al. Cherenkov-transition radiation in gamma frequency region. J. Contemp. Phys. 49, 189–195 (2014). https://doi.org/10.3103/S1068337214050016

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  • DOI: https://doi.org/10.3103/S1068337214050016

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