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On classical and quantum effects at scattering of fast charged particles in ultrathin crystal

Abstract : Classical and quantum properties of scattering of charged particles in ultrathin crystals are considered. A comparison is made of these two ways of study of scattering process. In the classical consideration we remark the appearance of sharp maxima that is referred to the manifestation of the rainbow scattering phenomenon and in quantum case we show the sharp maxima that arise from the interference of single electrons on numerous crystal planes, that can be expressed in the terms of reciprocal lattice vectors. We show that for some parameters quantum predictions substantially differ from the classical ones. Estimated is the influence of the beam divergence on the possibility of experimental observation of the studied effects.
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Submitted on : Wednesday, December 16, 2015 - 4:08:23 PM
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S. N. Shul'Ga, N. F. Shul'Ga, S. Barsuk, I. Chaikovska, R. Chehab. On classical and quantum effects at scattering of fast charged particles in ultrathin crystal. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2017, Proceedings, 7th International Conference on Charged & Neutral Particles Channeling Phenomena (Channeling 2016), pp.16-20. ⟨10.1016/j.nimb.2017.03.024⟩. ⟨in2p3-01245067⟩

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