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Two-crystal focusing effect

  • Fields, Particles, and Nuclei
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Abstract

The effect of two-crystal focusing of neutrons at Laue diffraction from large perfect silicon crystals has been studied. It has been shown that the focusing effect makes it possible to reach an angular resolution better than 0.03″, which is about 0.01 of the width of a Bragg reflection. This circumstance allows a new ultraprecision neutron-spectrometry method based on the method of spin-echo small-angle neutron scattering in combination with Laue diffraction.

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Authors and Affiliations

  1. Petersburg Nuclear Physics Institute, National Research Centre Kurchatov Institute, Gatchina, Leningrad region, 188300, Russia

    V. V. Voronin, Yu. V. Borisov, Yu. P. Braginetz, I. A. Kuznetsov, M. V. Lasitsa, S. Yu. Semenikhin, V. V. Fedorov & M. L. Khorina

  2. Peter the Great St. Petersburg Polytechnic University, ul. Politekhnicheskaya 29, St. Petersburg, 195251, Russia

    Ya. A. Berdnikov, A. Ya. Berdnikov, Yu. P. Braginetz, M. V. Lasitsa & M. L. Khorina

  3. St. Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg, 199034, Russia

    V. V. Voronin & V. V. Fedorov

Authors
  1. V. V. Voronin
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  2. Ya. A. Berdnikov
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  3. A. Ya. Berdnikov
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  4. Yu. V. Borisov
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  5. Yu. P. Braginetz
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  6. I. A. Kuznetsov
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  7. M. V. Lasitsa
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  8. S. Yu. Semenikhin
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  9. V. V. Fedorov
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  10. M. L. Khorina
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Corresponding author

Correspondence to S. Yu. Semenikhin.

Additional information

Original Russian Text © V.V. Voronin, Ya.A. Berdnikov, A.Ya. Berdnikov, Yu.V. Borisov, Yu.P. Braginetz, I.A. Kuznetsov, M.V. Lasitsa, S.Yu. Semenikhin, V.V. Fedorov, M.L. Khorina, 2015, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheckoi Fiziki, 2015, Vol. 102, No. 7, pp. 471–474.

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Voronin, V.V., Berdnikov, Y.A., Berdnikov, A.Y. et al. Two-crystal focusing effect. Jetp Lett. 102, 417–420 (2015). https://doi.org/10.1134/S0021364015190170

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  • DOI: https://doi.org/10.1134/S0021364015190170

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