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Search for lepton avour violating decays of the Higgs boson to e tau and e mu in proton-proton collisions at sqrt(s)=8 TeV
In press
A direct search for lepton flavour violating decays of the Higgs boson (H) in the H→eτ
Павленко В. И., Bondarenko G., Черкашина Н. И., Перспективные материалы 2015 № 8 С. 5-11
Рассмотрено воздействие быстрых электронов энергий до 10 МэВ на полистирольные композиты с разным содержанием кремнийорганического наполнителя. Методом Монте – Карло проведены расчеты ионизационных и радиационных потерь быстрых электронов в рассматриваемом полистирольном композите. Рассчитаны изменения коэффициентов отражения, поглощения электронов энергии от 1 до 3 МэВ и глубина их проникновения в исследуемом полимерном композите с содержанием наполнителя ...
Added: September 10, 2015
Tyutnev A.P., SaenkoV.S., Zhadov A.D. et al., IEEE Transactions on Plasma Science 2019 Vol. 47 No. 8 P. 3739-3745
We have investigated the radiation-induced conductivity (RIC) in Kapton-like polymers in which it increases with an accumulating dose at large dose rates and long irradiation times. Such a behavior is very useful for spacecraft applications as it allows mitigating the spacecraft charging problems. Also, we studied ordinary polymers whose RIC steadily falls after reaching an ...
Added: March 16, 2019
Saratov : Издательство Саратовского университета, 2011
The collection includes articles from the results of research in chemistry, geography, physics, geology and mineral resources in the field of information technologies. ...
Added: February 18, 2013
Khachatryan V., Ratnikov F., Physics Letters B 2016 Vol. 759 P. 369-394
A search is performed for a new resonance decaying into a lighter resonance and a Z boson. Two channels are studied, targeting the decay of the lighter resonance into either a pair of oppositely charged τ leptons or a <img /> pair. The Z boson is identified via its decays to electrons or muons. The search exploits data ...
Added: October 21, 2016
Andrey Tyutnev, Vladimir Saenko, Evgenii Pozhidaev, IEEE Transactions on Plasma Science 2018 Vol. 46 No. 3 P. 645-650
Added: March 10, 2018
Bondarenko G., Fisher M. R., Kristya V. I., Bulletin of the American Physical Society 2010 Vol. 55 No. 7 P. 50-50
In the paper simulation of electron, ion and metastable excited atom motion and interactions in a low-current discharge in argon-mercury mixture is fulfilled. Mixture ionization coefficient and the electric field strength have been calculated. ...
Added: May 13, 2013
Bondarenko G., Fisher M. R., Kristya V. I., Journal of Physics: Conference Series 2012 Vol. 406 No. 012031 P. 1-6
Simulation of electron, ion and metastable excited atom motion and interactions in a low-current discharge between the flat electrodes of a gas- discharge device in argon-mercury mixture is fulfilled. Also influence of gas temperature on both densities and fluxes of particles has been investigated. Distributions of the particle densities along the discharge gap under different ...
Added: January 17, 2013
Ivanov S., Nature Photonics 2019 Vol. 13 No. 10 P. 657-659
Father of the semiconductor laser, Nobel Prize laureate and director of the Ioffe Institute in St Petersburg, Zhores Alferov was a much-loved scientist and educator whose research changed the modern world. ...
Added: February 19, 2021
Zakharchenko K. V., Kaperko A., Kolyubin V. et al., Измерительная техника 2016 № 8 С. 63-68
Mathematical model of multichannel sensors unit based on diamond detector elements of cosmic radiation fluxes parameters monitoring module has been developed. The simulation of output of the multichannel sensors unit registering cosmic space ionizing radiation at different spaceship orbits under different sun activity has been carried out. The work was supported by the Ministry of ...
Added: January 11, 2016
A.P. Tyutnev, V.S. Saenko, E.D. Pozhidaev et al., IEEE Transactions on Plasma Science 2015 Vol. 43 No. 9 P. 2915 - 2924
We have reviewed the basic results in the radiation-induced conductivity and the bulk charging of polymers obtained by our group during the past 30 years, which are mostly unknown in the West. Special attention is given to a new experimental technique extensively used in our investigations based on an electron-gun technology allowing combined induced conductivity ...
Added: April 7, 2015
Aushev T., Mizuk R., Pakhlov P. et al., Physical Review Letters 2018 Vol. 121 No. 3 P. 1-8
We report the results of a search for the rare, purely leptonic decay B-→μ-ν μ performed with a 711 fb-1 data sample that contains 772×106 BB pairs, collected near the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. The signal events are selected based on the presence of a high momentum ...
Added: October 28, 2020
Zakharchenko K. V., Kolyubin V., Kaperko A. et al., Measurement Techniques 2016 Vol. 59 No. 8 P. 884-891
A mathematical model is developed for a multichannel sensor unit based on diamond detectors in a device for monitoring the parameters of cosmic ray fl uxes. The output signals from these sensors are modelled as they detect ionizing radiation from outer space in different spacecraft orbits with various levels of solar activity. ...
Added: December 7, 2016
Antipov A., Seleznev V., Vakhtomin Y. et al., IOP Conference Series: Materials Science and Engineering (MSE) 2020 Vol. 781 No. 1 P. 012011-1-012011-5
Spectral characteristics of WSi and NbN superconducting single-photon detectors with different surface resistance and width of nanowire strips have been investigated in the wavelength range of 1.3-2.5 µm. WSi structures with narrower strips demonstrated better performance for detection of single photons in longer wavelength range. The difference in normalized photon count rate for such structures ...
Added: December 10, 2020
Budkov Y., Kolesnikov A. L., Polymer Science - Series C 2018 Vol. 60 No. Supplement 1 P. 148-159
Theoretical models of the conformational behavior of flexible polymer chains in mixed solvents enunciated in the world literature during the last decade are critically reviewed. Models describing different mechanisms of coil-to-globule transitions in a good solvent induced by cosolvent addition are highlighted. Special attention is given to the analysis of theoretical approaches to describing the ...
Added: November 30, 2018
Kalmykov A., Melentiev P., Balykin V., Laser Physics Letters 2020 Vol. 17 No. 4 P. 045901
In this paper we present measurements and comparison of SPP propagation length at the practically important telecom wavelength (1560 nm) as well as in the near-infrared and visible spectral ranges. The measurements were carried out for plane SPP waves excited on Ag film surface using optical microscopy of SPP waves in the far field. We ...
Added: January 15, 2021
M. : Faculty of Physics, MSU, 2017
The Low Temperature Physics Conference is an international event held every three years, under the auspices of the IUPAP through its Commission C5 on Low Temperature Physics. The aim of these conferences is to exchange information and views among the members of the international scientific community in the general field of Low Temperature Physics. It ...
Added: October 1, 2017
Boldyrev K., Романов А., Хаула Е. et al., Journal of the American Ceramic Society 2019 Vol. 102 No. 5 P. 2745-2751
Single crystal of TlCl was doped with NIR photoluminescent univalent bismuth cations by prolonged immersion in liquid bismuth metal. The ion exchange Tl+ + Bi0 ↔ Tl0 + Bi+ at the crystal surface with subsequent Bi+ migration to the bulk are expected to drive the doping process. Contrary with Bi‐doped TlCl crystals, grown by Bridgman method, the ion exchange does ...
Added: February 8, 2019
Казанцев Д. В., Казанцева Е. А., Кузнецов Е. В. et al., Известия РАН. Серия физическая 2017 Т. 81 № 12 С. 1709-1714
Описаны принципы работы безапертурного сканирующего микроскопа ближнего оптического поля (ASNOM). Зондом в приборе служит металлизированная игла атомно-силового микроскопа, и оптическое взаимодействие с объектами на поверхности локализовано вблизи ее острия размером в несколько нанометров. Тело иглы имеет длину в несколько микрон, и это обеспечивает высокую эффективность ее электромагнитного взаимодействия с падающими на нее извне и излучаемыми ...
Added: December 6, 2020
Bodrova A., Osinsky A., Brilliantov N., Scientific Reports 2020 Vol. 10 Article 693
We study analytically and numerically the distribution of granular temperatures in granular mixtures for
different dissipation mechanisms of inelastic inter-particle collisions. Both driven and force-free systems
are analyzed. We demonstrate that the simplified model of a constant restitution coefficient fails to
predict even qualitatively a granular temperature distribution in a homogeneous cooling state. At the
same time we reveal ...
Added: February 25, 2020
Демин А. С., Масляев С. А., Пименов В. Н. et al., Физика и химия обработки материалов 2017 № 6 С. 5-17
Изучено влияние облучения в установке Плазменный фокус PF-1000 экстремальными энергетическими потоками быстрых ионов дейтерия (Ei≈100 кэВ, плотность мощности qi≈1011-1012 Вт/см2, длительность импульса ti≈10-50 нс) и дейтериевой плазмы (qpl≈109- 1010 Вт/см2, tpl≈50-100 нс) на структуру поверхностного слоя молибденовой пластины с учетом его плавления, частичного испарения и закалки расплава. На облученной поверхности обнаружено образование капельных структур, пор, ...
Added: December 25, 2017
Dziom V., Shuvaev A. V., Shchepetilnikov A. et al., Physical Review B: Condensed Matter and Materials Physics 2019 Vol. 99 No. 4 Article 045305
The integer quantum Hall effect is a well-studied phenomenon at frequencies below about 100 Hz. The plateaus in high-frequency Hall conductivity were experimentally proven to retain up to 33 GHz, but the behavior at higher frequencies has remained largely unexplored. Using continuous-wave terahertz spectroscopy, the complex Hall conductivity of GaAs/AlGaAs heterojunctions was studied in the ...
Added: December 11, 2020
A.Aronin, Abrosimova G., Materials Letters 2017 Vol. 206 P. 64-66
To obtain a correct estimate of the microhardness dependence on the size of nanocrystals, the microhardness
of amorphous-nanocrystalline samples with the same fraction of the crystalline phase and the same
composition of the amorphous matrix but different sizes of nanocrystals was studied. It is shown that the
dependence of microhardness on the nanocrystal size in the size range ...
Added: February 22, 2018
Kuzmichev S. A., Kuzmicheva T. E., Tchesnokov S. N. et al., Journal of Superconductivity and Novel Magnetism 2016 Vol. 29 No. 4 P. 1111-1116
We present temperature dependences of the large and the small superconducting gaps measured directly by SnS-Andreev spectroscopy in various Fe-based superconductors and MgB2. The experimental L,S(T ) are wellfitted with a two-gap model based on Moskalenko and Suhl system of equations (supplemented with a BCS integral renormalization). From the fitting procedure, we estimate the key ...
Added: March 19, 2016
K. I. Kugel, Bianconi A., Poccia N. et al., Superconductor Science and Technology 2015 Vol. 28 No. 2 P. 024005-1-024005-8
The arrested nanoscale phase separation in a two-band Hubbard model for strongly correlated charge carriers is shown to occur in a particular range in the vicinity of the topological Lifshitz transition, where the Fermi energy crosses the bottom of the narrow band and a new sheet of the Fermi surface related to the charge carriers ...
Added: March 12, 2016