A. Belyaev
A5016027016- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Cosmology and Gravitation Theories
- Computational Physics and Python Applications
- Neutrino Physics Research
- Astrophysics and Cosmic Phenomena
- Medical Imaging Techniques and Applications
- Black Holes and Theoretical Physics
- Optical and Acousto-Optic Technologies
- Radiation Detection and Scintillator Technologies
- Nuclear physics research studies
- Distributed and Parallel Computing Systems
- Photonic and Optical Devices
- Nuclear reactor physics and engineering
- Radiation Therapy and Dosimetry
- Atomic and Subatomic Physics Research
- Particle Accelerators and Free-Electron Lasers
- Gamma-ray bursts and supernovae
- International Science and Diplomacy
- Optical Polarization and Ellipsometry
- Nuclear Physics and Applications
- Scientific Computing and Data Management
European Organization for Nuclear Research
2013-2025
University of Southampton
2016-2025
Rutherford Appleton Laboratory
2016-2025
Petersburg State Transport University
2024
Lomonosov Moscow State University
2014-2023
Novosibirsk State University
2023
Institute for Analytical Instrumentation
2006-2022
Joint Institute for Nuclear Research
2009-2020
Institute of Nuclear Physics
2018
Kuban State Agrarian University
2018
We report first results on a deep subthreshold production of the doubly strange hyperon Xi;{-} in heavy-ion reaction. At beam energy 1.76A GeV reaction Ar + KCl was studied with High Acceptance Di-Electron Spectrometer at SIS18/GSI. A high-statistics and high-purity Lambda sample collected, allowing for investigation decay channel --> Lambdapi;{-}. The deduced Xi;{-}/(Lambda Sigma;{0}) ratio (5.6 +/- 1.2_{-1.7};{+1.8}) x 10;{-3} is significantly larger than available model predictions.
We present an analysis of the Lambda(1405) resonance produced in reaction p+p->Sigma^{pm}+pi^{mp}+K+p at 3.5 GeV kinetic beam energy measured with HADES GSI. The two charged decay channels -> Sigma^{\pm}+pi^{\mp} have been reconstructed for first time p+p collisions. efficiency and acceptance-corrected spectral shapes show a peak position clearly below 1400 MeV/c^2. find total production cross section sigma_{Lambda(1405)}=9.2 +- 0.9 0.7 +3.3-1.0 mub. its polar angle distribution suggests...
We present data on dielectron emission in proton induced reactions a Nb target at 3.5 GeV kinetic beam energy measured with HADES installed GSI. The represent the first high statistics measurement of proton-induced radiation from cold nuclear matter kinematic regime, where strong medium effects are expected. Combined good mass resolution 2%, it is sensitive to changes spectral functions vector mesons, as predicted by models for hadrons rest or small relative momenta. Comparing e+e invariant...
We present first data on sub-threshold production of K0 s mesons and Λ hyperons in Au+Au collisions at $\sqrt{s_{NN}}$ = 2.4 GeV. observe an universal scaling hadrons containing strangeness, independent their corresponding thresholds. Comparing the yields, scaling, shapes rapidity pt spectra to state-of-the-art transport model (UrQMD, HSD, IQMD) predictions, we find that none latter can simultaneously describe all observables with reasonable \c{hi}2 values.
The phenomenological analysis of various characteristics J/ψ and D meson production in PbPb collisions at the center-of-mass energy 2.76 TeV per nucleon pair is presented. data on momentum spectra elliptic flow are reproduced by two-component model HYDJET++ including thermal non-thermal charm mechanisms. significant part D-mesons found to be a kinetic equilibrium with created medium, while J/ψ-mesons characterized earlier (as compared light hadrons) freeze-out.
In the recent years facial emotion recognition algorithms have evolved and in some cases top commercial detect emotions like happiness better than humans do. To evaluate performance of these algorithms, common practice is to compare them with human-labeled ground truth. This article covers monitoring advancements automatic solutions, here we suggest an additional criteria for their evaluation, that agreement between algorithms’ predictions. this work, four algorithms: Affectiva Affdex,...
Radiative transition of an excited baryon to a nucleon with emission virtual massive photon converting dielectron pair (Dalitz decays) provides important information about baryon-photon coupling at low q 2 in timelike region. A prominent enhancement the respective electromagnetic Form Factors (etFF) near vector mesons ρ/ω poles has been predicted by various calculations reflecting strong baryon-vector meson couplings. The understanding these couplings is also primary importance for...
Objective: to consider the issue of diagnostics modern diesel engines, in particular vibration diagnostics. Consider strategies and methods based on vibroacoustic signals that allow you track diagnose engine malfunctions, as well an assessment working process engine. To determine which means measuring parameters processing can be considered most reliable informative. Propose make adjustments currently used signals. Methods: comparison effectiveness measurement tools mathematical signal...
The event topology in relativistic heavy ion collisions is determined by various multi-particle production mechanisms. simultaneous model treatment of different collective nuclear effects at high energies (such as a hard multi-parton fragmentation hot QCD-matter, thermal resonance production, hydrodynamical flows, etc.) actual but rather complicated task. We discuss the simulation above means Monte-Carlo HYDJET++.
The article presents a 180nm CMOS Radiation tolerant heterogeneous Multi-core ASIC MCT-04 as the SoC (System-on-Chip) with built-in multichannel multiprotocol SpaceFibre/ GigaSpaceWire (SpaceWire-RUS standard), SpaceWire based switch for onboard data and Mass Storage Device management. design architecture support Single-Event-Upset (SEU) fault-tolerant. embedded networking subsystem provides multiple ports high-rate interconnection combination of SpaceWire/ /GigaSpaceWire...
The phenomenological analysis of the LHC data on PT-spectrum and elliptic flow J/ψ D mesons in PbPb collisions at √snn = 2.76 TeV is presented. charmed meson production pattern may be reproduced by two-component model HYDJET++ including thermal non-thermal components. significant part D-mesons found to a kinetic equilibrium with created medium, while -mesons are not.
Abstract It has been dozen years since HYDJET++ Monte-Carlo event generator for the simulation of relativistic heavy ion collisions was developed. Now is widely used nucleus-nucleus interactions from NICA to LHC energies. The model calculations on soft and hard probes quark-gluon plasma (including collective flow, different kinds particle correlations, jets, D B mesons etc.) agree well with experimental data. In this paper selected main results very new ones are presented.
This paper considers the application of a specially designed wavelength-controlled light source used in implementation new unique method multispectral image processing skin lesions. Design features this have been described, namely diametrical arrangement LEDs. Experimental setup has considered, on which experiments at different wavelengths were carried out to study reflections from areas with pathologies caused by lack blood supply, benign lesions and burns. For purpose, images studied taken...
We study the light output, collection efficiency and signal timing of a variety organic scintillators that are being considered for upgrade hadronic calorimeter CMS detector. The experimental data collected at H2 test-beam area CERN, using 150 GeV muon beam. In particular, we investigate usage over-doped green-emitting plastic scintillators, two solutions have not been extensively considered. present energy distribution in plastic-scintillator tiles, hit as function position, blue green...