Zobrazeno 1 - 10
of 174
pro vyhledávání: '"D. Ryzhikov"'
Publikováno v:
East European Journal of Physics, Iss 4, Pp 91-94 (2019)
In the present work we found the maximum discovery distance for 239Pu-Be source using the detectors based on ZWO (ZnWO4) and BGO (Bi4Ge3O12) oxide scintillators. Detection distance was defined by using the radiation monitoring system ”PORTAL”. Th
Externí odkaz:
https://doaj.org/article/255438b06df147e6a1eeafabd91a6937
Autor:
Borys Grynyov, Ivan Yakymenko, G.M. Onyshchenko, Olexiy Voronov, Volodymyr D. Ryzhikov, S. V. Naydenov
Publikováno v:
East European Journal of Physics, Iss 3, Pp 54-61 (2020)
East European Journal of Physics
East European Journal of Physics
This research related to registration of the fast neutrons with a detector based on the inorganic KDP: TL+ mono crystal (KH2PO4 potassium dihydrogen phosphate) and plastic UPS-923A. The crystal of the KDP: TL+ detector grown from a water solution by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bba05adbc783d2491e8bdecc1071475
https://periodicals.karazin.ua/eejp/article/view/16179
https://periodicals.karazin.ua/eejp/article/view/16179
A new type of multilayer composite heavy-oxide scintillator detector (named “ZEBRA”) was developed and characterized for fast neutron detection for homeland security and nuclear safeguards applications. In this heterogeneous detector medium, comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0616b52e3a5f1f37d85d33253233148
https://doi.org/10.1016/b978-0-12-819459-1.00012-x
https://doi.org/10.1016/b978-0-12-819459-1.00012-x
Autor:
Craig F. Smith, S. V. Naydenov, G.M. Onyshchenko, L. A. Piven, T. Pochet, Vladimir D. Ryzhikov
Publikováno v:
IEEE Transactions on Nuclear Science. 65:2547-2553
We have developed and evaluated a new approach to fast neutron and neutron–gamma detection based on large-area multilayer composite heterogeneous detection media consisting of dispersed granules of small-crystalline scintillators contained in a tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b38467c8216097776538934324668d54
https://doi.org/10.1109/tns.2018.2825642
https://doi.org/10.1109/tns.2018.2825642
Autor:
G.M. Onyshchenko, L. A. Piven, Craig F. Smith, Vladimir D. Ryzhikov, T. Pochet, S. V. Naydenov
Publikováno v:
Radiation Measurements. 105:17-25
We have developed and fabricated large-sized scintillation blocks for detection of fast neutrons based on the heavy-oxide single crystals СWO, ZWO, BGO (diameter 40–50 mm, length 80–100 mm). These crystals demonstrate fast neutron detection effi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c03acdaaa9049caf0c26c16fb84d53b7
https://doi.org/10.1016/j.radmeas.2017.08.008
https://doi.org/10.1016/j.radmeas.2017.08.008
Publikováno v:
East European Journal of Physics, Iss 4, Pp 91-94 (2019)
East European Journal of Physics
East European Journal of Physics
In the present work we found the maximum discovery distance for 239Pu-Be source using the detectors based on ZWO (ZnWO4) and BGO (Bi4Ge3O12) oxide scintillators. Detection distance was defined by using the radiation monitoring system ”PORTAL”. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a346b79f327c7c92cf8ce4168d0b83bd
https://doi.org/10.26565/2312-4334-2019-4-10
https://doi.org/10.26565/2312-4334-2019-4-10
Autor:
Valery Khodusov, Gennadiy Onyshchenko, S. V. Naydenov, Ivan Yakymenko, Sergei Makhota, Volodymyr D. Ryzhikov, A. D. Opolonin
Publikováno v:
East European Journal of Physics, Iss 3, Pp 54-62 (2019)
East European Journal of Physics
East European Journal of Physics
The contributions of gamma rays from the inelastic scattering reaction and the resonant reaction in the process of slowing down fast neutrons inside the oxide detector volume are investigated. For this the countable efficiency of the ZnWO4, CdWO4, Bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02b7c19e0db53d742a54ac4e41ce9e11
https://doi.org/10.26565/2312-4334-2019-3-07
https://doi.org/10.26565/2312-4334-2019-3-07
Autor:
S.V. Naydenov, G.M. Onyshchenko, L. A. Piven, Craig F. Smith, T. Pochet, Vladimir D. Ryzhikov
The article of record as published may be found at https://doi.org/10.1016/j.nima.2018.06.074 We developed and characterized a new type (designated ZEBRA) of multi-layer composite heavy-oxide scintillator detectors for fast neutron detection for home
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e076e1ef06d9c57ae9ab450659f7e67
https://hdl.handle.net/10945/66347
https://hdl.handle.net/10945/66347
Autor:
V. Litichevskyi, S.V. Naydenov, K. A. Katrunov, V. Gavrilyuk, Volodymyr D. Ryzhikov, O. Lysetska
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 712:126-129
Light collection in scintillators ZnSe(X), where X is an isovalent dopant, was studied using Monte Carlo calculations. Optimum design was determined for detectors of “scintillator—Si-photodiode” type, which can involve either one scintillation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0442762d1605e534dff31def1375905f
https://doi.org/10.1016/j.nima.2013.01.065
https://doi.org/10.1016/j.nima.2013.01.065
Publikováno v:
Journal of Crystal Growth. 364:111-117
Problems related to the development of physico-technological foundations of preparation of scintillation materials on the basis of zinc selenide with AIIBVI isovalent dopants, as well as complex studies of properties of new semiconductor scintillator
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82839a57581c5b0b0e8194f562498bd4
https://doi.org/10.1016/j.jcrysgro.2012.11.034
https://doi.org/10.1016/j.jcrysgro.2012.11.034