A5047339150- High-Energy Particle Collisions Research
- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- Particle Accelerators and Free-Electron Lasers
- Laser-Plasma Interactions and Diagnostics
- Particle accelerators and beam dynamics
- Particle Detector Development and Performance
- Spectroscopy and Laser Applications
- Magnetic confinement fusion research
- Water Quality Monitoring and Analysis
- Various Chemistry Research Topics
- Spectroscopy and Quantum Chemical Studies
- Spectroscopy Techniques in Biomedical and Chemical Research
- Advanced Chemical Sensor Technologies
- Chemical Thermodynamics and Molecular Structure
- Pulsed Power Technology Applications
- Thermodynamic properties of mixtures
- Analytical Chemistry and Sensors
- Nuclear Physics and Applications
- Liquid Crystal Research Advancements
- Solid-state spectroscopy and crystallography
- Photochemistry and Electron Transfer Studies
- Optical and Acousto-Optic Technologies
- Plasma Diagnostics and Applications
- Superconducting Materials and Applications
Bogolyubov Institute for Theoretical Physics
2015-2023
National Academy of Sciences of Ukraine
2009-2022
Deutsches Elektronen-Synchrotron DESY
2010-2021
Universität Hamburg
2011-2020
Taras Shevchenko National University of Kyiv
2016
University of Calabria
2015
Istituto Nazionale di Fisica Nucleare, Gruppo Collegato di Cosenza
2015
Istituto Nazionale di Fisica Nucleare
2015
Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
2014
National Space Agency
2014
The Horizon 2020 Project EuPRAXIA ("European Plasma Research Accelerator with eXcellence In Applications") is preparing a conceptual design report of highly compact and cost-effective European facility multi-GeV electron beams using plasma as the acceleration medium. accelerator will be based on laser and/or beam driven approach used for photon science, high-energy physics (HEP) detector tests, other applications such X-ray sources medical imaging or material processing. started in November...
Isolated photon production in deep inelastic ep scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 320pb^-1. Measurements were made isolated-photon transverse-energy and pseudorapidity ranges 4 < E_T 15 GeV -0.7 eta 0.9 for exchanged virtualities, Q^2, range 10 Q^2 350 invariant masses hadronic system W_X> 5 GeV. Differential cross sections are presented inclusive isolated as functions x, eta. Leading-logarithm parton-shower Monte Carlo simulations...
The reduced cross sections for e+p deep inelastic scattering have been measured with the ZEUS detector at HERA three different center-of-mass energies, 318, 251 and 225 GeV. sections, double differentially in Bjorken x virtuality, Q2, were obtained region 0.13≤y≤0.75, where y denotes inelasticity 5≤Q2≤110 GeV2. proton structure functions F2 FL extracted from sections.2 MoreReceived 26 June 2014DOI:https://doi.org/10.1103/PhysRevD.90.072002© 2014 American Physical Society
The production of beauty and charm quarks in ep interactions has been studied with the ZEUS detector at HERA for exchanged four-momentum squared 5 < Q 2 1000 GeV2 using an integrated luminosity 354 pb−1. content events least one jet have extracted invariant mass charged tracks associated secondary vertices decay-length significance these vertices. Differential cross sections as a function 2, Bjorken x, trans- verse energy pseudorapidity were measured compared next-to-leading-order QCD...
This document provides detailed information on the status of Advanced and Novel Accelerators techniques describes steps that need to be envisaged for their implementation in future accelerators, particular high energy physics applications. It complements overview prepared update European Strategy particle physics, a description field. The scientific priorities community are described each technique acceleration able achieve accelerating gradient GeV~range or above. ALEGRO working group...
The production of beauty and charm quarks in ep interactions has been studied with the ZEUS detector at HERA for exchanged four-momentum squared 5 < Q 2 1000 GeV2 using an integrated luminosity 354 pb−1. content events least one jet have extracted invariant mass charged tracks associated secondary vertices decay-length significance these vertices. Differential cross sections as a function 2, Bjorken x, trans- verse energy pseudorapidity were measured compared next-to-leading-order QCD...
Production of exclusive dijets in diffractive deep inelastic $$e^\pm p$$ scattering has been measured with the ZEUS detector at HERA using an integrated luminosity 372 pb $$^{-1}$$ . The measurement was performed for $$\gamma ^{*}$$ –p centre-of-mass energies range $$90< W < {250}\,{\mathrm{GeV}}$$ and photon virtualities $$Q^2 > {25}\,{\mathrm{GeV}^{2}}$$ Energy flows around jet axis are presented. cross section is presented as a function $$\beta $$ $$\phi , where =x/x_\mathrm{I\!P}$$ x...
High-precision HERA data corresponding to a luminosity of around $1\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ have been used in the framework $eeqq$ contact interactions (CI) set limits on possible high-energy contributions beyond Standard Model electron-quark scattering. Measurements inclusive deep inelastic cross sections neutral and charged current $ep$ scattering were considered. The analysis has based simultaneous fits parton distribution functions including CI couplings Several...
By using a Regge-pole model for vector meson production (VMP), successfully describing the HERA data, we analyse correlation between VMP cross sections in photon-induced reactions at and those ultra-peripheral collisions Large Hadron Collider (LHC). The rapidity distributions of proton-proton 13~TeV lead-lead 2.76 5.02 TeV are investigated. transverse momentum distribution nuclear coherent is also addressed. Predictions future experiments on $J/\psi$ $\psi(2S)$ presented.
The photoproduction of isolated photons, both inclusive and together with a jet, has been measured the ZEUS detector at HERA using an integrated luminosity 374pb−1. Differential cross sections are presented in isolated-photon transverse-energy pseudorapidity ranges 6<ETγ<15GeV −0.7<ηγ<0.9, for jet 4<ETjet<35GeV −1.5<ηjet<1.8, exchanged-photon virtualities Q2<1GeV2. also production as functions transverse energy photon. Higher-order theoretical calculations compared to results.
The exclusive deep inelastic electroproduction of ψ(2S) and J/ψ(1S) at an ep centre-of-mass energy 317 GeV has been studied with the ZEUS detector HERA in kinematic range 2<Q2<80 GeV2, 30<W<210 |t|<1 where Q2 is photon virtuality, W photon–proton t squared four-momentum transfer proton vertex. data for 2<Q2<5 GeV2 were taken I running period correspond to integrated luminosity 114 pb−1. 5<Q2<80 are from both II periods 468 decay modes analysed μ+μ− J/ψ(1S)π+π− J/ψ(1S). cross-section ratio...
Abstract The Horizon 2020 project EuPRAXIA (European Plasma Research Accelerator with eXcellence In Applications) is producing a conceptual design report for highly compact and cost-effective European facility multi-GeV electron beams accelerated using plasmas. will be set up as distributed Open Innovation platform two construction sites, one focus on beam-driven plasma acceleration (PWFA) another site laser-driven (LWFA). User areas at both sites provide access to free-electron laser pilot...
The neutral current ${e}^{\ifmmode\pm\else\textpm\fi{}}p$ cross section has been measured up to values of Bjorken $x\ensuremath{\cong}1$ with the ZEUS detector at HERA using an integrated luminosity $187\text{ }\text{ }{\mathrm{pb}}^{\ensuremath{-}1}$ ${e}^{\ensuremath{-}}p$ and $142\text{ ${e}^{+}p$ collisions $\sqrt{s}=318\text{ }\mathrm{GeV}$. Differential sections in $x$ ${Q}^{2}$, exchanged boson virtuality, are presented for ${Q}^{2}\ensuremath{\ge}725\text{ }{\mathrm{GeV}}^{2}$. An...
Plasma accelerators present one of the most suitable candidates for development more compact particle acceleration technologies, yet they still lag behind radiofrequency (RF)-based devices when it comes to beam quality, control, stability and power efficiency. The Horizon 2020-funded project EuPRAXIA ("European Research Accelerator with eXcellence In Applications") aims overcome first three these hurdles by developing a conceptual design international user facility based on plasma...
By using a Regge-pole model for vector meson production (VMP), that successfully describes the HERA data, we analyse connection of VMP cross sections in photon-induced reactions at with those ultra-peripheral collisions Large Hadron Collider (LHC). The role low-energy behaviour γp is scrutinized.
By using models based on Regge phenomenology we analyse the coherent photoproduction of charmonium in peripheral heavy-ion collisions at Large Hadron Collider (LHC). The centrality dependence is investigated and compared to experimental results for $J/\psi$ production lead-lead LHC runs energies 2.76 5.02 TeV. Theoretical uncertainties possible limitations formalism are also discussed.
This paper describes the utilization of beam-driven plasma wakefield acceleration to implement a high-quality cathode via density-downramp injection in short injector stage at FLASHForward facility DESY. Electron beams with charge up 105 pC and energy spread few percent were accelerated by tunable effective accelerating field 2.7 GV/m. The was operated drift-free very high efficiency. Sources jitter, emittance divergence resulting beam investigated modeled, as strategies for performance...
In this extended analysis using the ZEUS detector at HERA, photoproduction of isolated photons together with a jet is measured for different ranges fractional photon energy, x meas , contributing to photon-jet final state. Cross sections are evaluated in transverse-energy and pseudorapidity 6 < E 15 GeV −0.7 η γ 0.9, 4 35 −1.5 1.8, an integrated luminosity 374 pb−1. The kinematic observables studied comprise transverse energy jet, azimuthal difference between them, fraction proton taking...