Zobrazeno 1 - 10
of 58
pro vyhledávání: '"A.F. Schebetov"'
Autor:
V.A. Ul'yanov, B.A. Bazarov, A.P. Bulkin, V.V. Tarnavich, A.G. Gilev, V.G. Syromyatnikov, N.K. Pleshanov, A.F. Schebetov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 833:233-238
Requirements on the field uniformity in neutron polarizers are analyzed in view of the fact that neutron polarizing coatings have been improved during the past decade. The design of magnetic systems that meet new requirements is optimized by numerica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cab8b879ed7043b015abc9b3c346fd3
https://doi.org/10.1016/j.nima.2016.07.038
https://doi.org/10.1016/j.nima.2016.07.038
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 634:S126-S129
A wide-aperture fan neutron supermirror analyzer of polarization is presented in the paper. The analyzer has been made in PNPI (Gatchina, Russia) for the neutron reflectometer NeRo in GKSS (Geesthacht, Germany). The analyzer is installed in front of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4d5dcb19c3a5f95e3c7db4c6c5edba3
https://doi.org/10.1016/j.nima.2010.06.237
https://doi.org/10.1016/j.nima.2010.06.237
Autor:
N.K. Pleshanov, A.F. Schebetov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 634:S117-S121
Fan analyzers are devices with tapered channels formed by polarizing neutron (super) mirrors. Two types of wide-angle fan analyzers for the polarization of neutrons scattered by the sample are considered. Fan analyzers with the geometry of straight c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4a0bc2d26af9ee601d9e8da10ad1de4
https://doi.org/10.1016/j.nima.2010.06.359
https://doi.org/10.1016/j.nima.2010.06.359
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 560:464-479
A detailed analysis of specular neutron reflection from an absorbing medium is given. The experimental studies revealed that oxidation and roughness of the surface are the main factors that determine the neutron reflectivity of Gd-containing layers.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c997e7deba52f4362849b10efe7b0f1
https://doi.org/10.1016/j.nima.2005.12.243
https://doi.org/10.1016/j.nima.2005.12.243
Autor:
S.V. Metelev, N.G. Kolyvanova, V.M. Pusenkov, V.A. Ul'yanov, B.G. Peskov, V.G. Syromyatnikov, N.K. Pleshanov, A.F. Schebetov
Publikováno v:
Physica B: Condensed Matter. 369:234-242
This paper contains some ideas and procedures to obtain and use previous knowledge of the laws of the layered structure growth for improving the performance of supermirrors. The parameters for correcting the deficiency of supermirrors should be calib
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d3b8608c0cee9505f9c68e45e82b3a9
https://doi.org/10.1016/j.physb.2005.08.019
https://doi.org/10.1016/j.physb.2005.08.019
Autor:
A. G. Kharitonov, A. Murashkin, V.M. Pusenkov, T. Morozov, Yu.P Rudnev, V. Korolev, A.F. Schebetov, A. K. Fomin, V. E. Varlamov, O. M. Zherebtsov, A. P. Serebrov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 545:344-354
We are going to use a polarized cold neutron beam and an axial magnetic field in the shape of a bottle formed by the superconducting magnetic system. Such configuration of magnetic field allows to extract the decay electrons inside a well-defined sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b986de6a15e9c015523c0f4233bb6ce
https://doi.org/10.1016/j.nima.2005.02.005
https://doi.org/10.1016/j.nima.2005.02.005
Autor:
V.G. Syromyatnikov, A.F. Schebetov, V.M. Pusenkov, S.V. Metelev, N.K. Pleshanov, V.A. Ul'yanov
Publikováno v:
Physica B: Condensed Matter. 348:285-291
The influence of interdiffusion at the interfaces and oxidation of the topmost layer on the polarizing efficiency of the FeCoV/TiZr supermirror has been studied. It was found out that the thickness of non-magnetic interdiffusion regions is 10±2 A an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae1c87d3f7c1a0db877feace09cf71e4
https://doi.org/10.1016/j.physb.2003.12.004
https://doi.org/10.1016/j.physb.2003.12.004
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 497:479-491
A polarized neutron beam of 40×150 mm 2 cross-section and record intensity was formed by a unique optical system of 7 m length for fundamental physics research at the Swiss Spallation Neutron Source (SINQ) at the Paul Scherrer Institute in collabora
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd894f1a342a9a54eaa6b23314e0b774
https://doi.org/10.1016/s0168-9002(02)01928-9
https://doi.org/10.1016/s0168-9002(02)01928-9
Autor:
V.A. Ul'yanov, R. W. E. van de Kruijs, V.M. Pusenkov, Sean Langridge, V.G. Syromyatnikov, H. Fredrikze, N.K. Pleshanov, M.T. Rekveldt, A.F. Schebetov
Publikováno v:
Applied Physics A: Materials Science & Processing. 74:s1550-s1553
Specular neutron reflectivity is commonly used as a powerful tool in determining the scattering length density (SLD) profile perpendicular to the surface of thin films. Information about the lateral fluctuations in the SLD, such as the presence of ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::861c047d87cab93be51838de7a3c2d0d
https://doi.org/10.1007/s003390101250
https://doi.org/10.1007/s003390101250
Autor:
V.G. Syromyatnikov, M.Th. Rekveldt, H. Fredrikze, V.A. Ul'yanov, N.K. Pleshanov, Sean Langridge, R. W. E. van de Kruijs, A.F. Schebetov, V.M. Pusenkov
Publikováno v:
Physica B: Condensed Matter. 297:180-184
Polarized neutron reflectometry (PNR) is commonly used to characterize the depth-dependent nuclear density and magnetization profiles of thin films and multilayers. While specular reflectivity is connected with characteristics perpendicular to the sa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c933cd11847b01e11b492cfead0ac8a7
https://doi.org/10.1016/s0921-4526(00)00834-6
https://doi.org/10.1016/s0921-4526(00)00834-6