Crystal acceleration effect for cold neutrons in vicinity of Bragg resonance

A new mechanism of neutron acceleration in the accelerated perfect crystal is proposed and studied experimentally. The effect arises due to the resonance energy dependence of the neutron refraction index in vicinity of the Bragg's energy. During the neutron time-of-flight through the accelerate...

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Bibliographic Details
Published inPhysica. B, Condensed matter Vol. 551; pp. 331 - 335
Main Authors Braginetz, Yu.P., Berdnikov, Ya.A., Fedorov, V.V., Kuznetsov, I.A., Lasitsa, M.V., Semenikhin, S.Yu, Voronin, V.V.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 15.12.2018
Elsevier BV
Subjects
Acceleration
Cold neutrons
Crystal structure
Crystallography
Crystals
Dependence
Diffraction and scattering
Neutron
Neutrons
Refraction
Velocity
Neutron
Diffraction and scattering
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Summary:A new mechanism of neutron acceleration in the accelerated perfect crystal is proposed and studied experimentally. The effect arises due to the resonance energy dependence of the neutron refraction index in vicinity of the Bragg's energy. During the neutron time-of-flight through the accelerated crystal the relative neutron-crystal velocity will be changing (with the deviation from the exact Bragg condition) and so the refraction index and the velocity of outgoing neutron will change as well.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2017.11.061