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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2014, Volume 100, Issue 8, Pages 555–560
DOI: https://doi.org/10.7868/S0370274X14200041
(Mi jetpl4441)
 

This article is cited in 5 scientific papers (total in 5 papers)

FIELDS, PARTICLES, AND NUCLEI

Dispersion of the refractive index of a neutron in a crystal

V. V. Voroninabc, Yu. A. Berdnikovc, A. Ya. Berdnikovc, Ya. P. Braginetzac, E. O. Vezhlevdc, I. A. Kuznetsova, M. V. Lasitsaac, S. Yu. Semenikhina, V. V. Fedorovbac

a B. P. Konstantinov Petersburg Nuclear Physics Institute, Russian Academy of Sciences
b Saint Petersburg State University
c Saint-Petersburg State Polytechnical University
d Leningrad Polytechnical Institute
Full-text PDF (346 kB) Citations (5)
References:
Abstract: The dispersion (resonance) behavior of the refractive index of a neutron moving in a crystal with energies close to Bragg values has been studied. It has been shown that a small change in the energy of the neutron by about the Bragg width in this case ($\Delta E/E \sim 10^{-5}$) results in a significant (several tens of percent) change in the potential of the interaction of the neutron with the crystal. A new phenomenon—the acceleration of the neutron passing through a perfect crystal moving at a variable velocity near a Bragg resonance—has been observed. The effect appears because the parameter of deviation from the Bragg condition and, therefore, the neutron-crystal interaction potential change during the time of flight of the neuron through the accelerated crystal. As a result, the kinetic energy of the neutron leaving the crystal changes.
Received: 25.08.2014
English version:
Journal of Experimental and Theoretical Physics Letters, 2014, Volume 100, Issue 8, Pages 497–502
DOI: https://doi.org/10.1134/S0021364014200132
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. V. Voronin, Yu. A. Berdnikov, A. Ya. Berdnikov, Ya. P. Braginetz, E. O. Vezhlev, I. A. Kuznetsov, M. V. Lasitsa, S. Yu. Semenikhin, V. V. Fedorov, “Dispersion of the refractive index of a neutron in a crystal”, Pis'ma v Zh. Èksper. Teoret. Fiz., 100:8 (2014), 555–560; JETP Letters, 100:8 (2014), 497–502
Citation in format AMSBIB
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  • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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