New experiment on non-stationary neutron diffraction by a traveling surface acoustic wave

被引：0

作者：

Kulin, G. V. ^{[1
,2
]}

Frank, A. I. ^{[1
,2
]}

Rebrova, N. V. ^{[1
]}

Zakharov, M. A. ^{[1
,2
]}

Gutfreund, P. ^{[3
]}

Khaydukov, Yu. N. ^{[4
,5
]}

Ortega, L. ^{[6
]}

Roshchupkin, D. V. ^{[7
]}

Goray, L. I. ^{[8
,9
,10
]}

机构：

[1] Joint Inst Nucl Res, Dubna 141980, Russia

[2] State Univ Dubna, Dubna 141980, Russia

[3] Inst Laue Langevin, F-38000 Grenoble, France

[4] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

[5] MLZ, Max Planck Soc Outstn, D-85747 Garching, Germany

[6] Univ Paris Sud, Lab Phys Solides, CNRS, F-91405 Orsay, France

[7] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Russia

[8] Alferov Univ, St Petersburg 194021, Russia

[9] Inst Analyt Instrumentat, St Petersburg 190103, Russia

[10] St Petersburg Electrotech Univ LETI, St Petersburg 197022, Russia

来源：

EUROPEAN PHYSICAL JOURNAL B | 2024年 / 97卷 / 12期

关键词：

ULTRACOLD NEUTRONS; CHOPPER;

D O I：

10.1140/epjb/s10051-024-00829-7

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The results of a new experiment on neutron diffraction by surface acoustic waves are presented. The measurements were carried out at a fixed incident angle in the time-of-flight mode, which made it possible to study the diffraction pattern in a wide range of neutron wavelengths at surface acoustic wave frequencies from 35 to 117 MHz. In a number of cases, diffracted waves of not only the first but also the second order were observed. The measurement results of both the angular distribution of diffracted waves and their amplitudes are in satisfactory agreement with the calculations. A new estimation has been obtained for the range of applicability of the dispersion law of neutron waves in matter moving with large acceleration.

引用

页数：7

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