A5049058097- 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
- Computational Physics and Python Applications
- Neutrino Physics Research
- Cosmology and Gravitation Theories
- Radiation Detection and Scintillator Technologies
- Particle Accelerators and Free-Electron Lasers
- Nuclear Physics and Applications
- Black Holes and Theoretical Physics
- Medical Imaging Techniques and Applications
- Superconducting Materials and Applications
- Atomic and Subatomic Physics Research
- Distributed and Parallel Computing Systems
- High-pressure geophysics and materials
- Energetic Materials and Combustion
- Laser-Plasma Interactions and Diagnostics
- Nuclear physics research studies
- Advanced NMR Techniques and Applications
- Astrophysics and Cosmic Phenomena
- X-ray Diffraction in Crystallography
- Advanced X-ray Imaging Techniques
- Muon and positron interactions and applications
European Organization for Nuclear Research
2023-2024
Novosibirsk State University
2015-2024
Siberian Branch of the Russian Academy of Sciences
2014-2024
Budker Institute of Nuclear Physics
2015-2024
Universitat de València
2023-2024
Instituto de Física Corpuscular
2023-2024
Brandeis University
2022-2024
A. Alikhanyan National Laboratory
2024
Institute of High Energy Physics
2024
SR Research (Canada)
2024
The interference fragmentation function translates the of a quark with transverse projection spin into an azimuthal asymmetry two final-state hadrons. In e+e- annihilation product functions is measured. We report nonzero asymmetries for pairs charge-ordered pi+pi- pairs, which indicate significant in this channel. results are obtained from 672 fb-1 data sample that contains 711 \times 106 and was collected at near ?(4S) resonance, Belle detector KEKB asymmetric-energy collider.
Abstract The process $$e^+e^-\rightarrow n{\bar{n}}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msup> <mml:mi>e</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo>-</mml:mo> <mml:mo>→</mml:mo> <mml:mi>n</mml:mi> <mml:mover> </mml:mrow> <mml:mo>¯</mml:mo> </mml:mover> </mml:math> is studied in the experiment at VEPP-2000 $$e^+e^-$$ collider with SND detector. technique of time measurements multichannel NaI(Tl) electromagnetic calorimeter used to select...
Methods of dynamic imaging explosions at a synchrotron radiation (SR) beam and small-angle X-ray scattering experiments with exploding samples are being developed in the Siberian Synchrotron Radiation Center (SSRC) Budker Institute Nuclear Physics for more than fifteen years. The detector (DIMEX) was these purposes successfully operating line 0 VEPP-3 storage ring 8 VEPP-4 M ring. DIMEX is based on gas technology allow to measure SR flux as function position time spatial resolution ∼200 μm...
Status of several projects under development in Budker INP with GEM-based detectors for synchrotron radiation imaging and particle tracking is reviewed. These are namely: the detector explosions(DIMEX) at SR beam, WAXS studies beam (OD4), triple-GEM tagging system KEDR experiment VEPP-4M collider Deuteron VEPP-3 storage ring.
A unique instrumentation complex that includes wigglers, X-ray position sensitive detectors, diffractometers, and explosion chambers enables a 73 ps diffraction time resolution (exposure time) has been developed at the Siberian Synchrotron Terahertz Radiation Center, research collaboration operating Budker Institute of Nuclear Physics, Branch Russian Academy Sciences. number techniques have implemented with which nanosecond-resolution investigations nucleation growth dynamics became possible...
The main purpose of the beamline design – realization experiments using explosive charges up to 200 grams TNT equivalent. To achieve this goal is necessary use a hard range photons in region 30-60 keV. Additional requirement - development powerful explosion chamber, and very fast one coordinate detector DIMEX. fist detonation was made with 40 mm diameter. Test WAXS time resolution 73 ps received. SAXS/WAXS at accelerators complex VEPP-3/VEPP-4.
The tagging system (TS) of the KEDR detector is designed for study two-photon interactions on VEPP-4M electron-positron collider. upgrade TS was completed and 8 triple-GEM detectors were added to with a single sensitive area up 250*100 mm2, spatial resolution in beam orbit plane close 70 μm small angle stereo readout providing around 200 perpendicular direction. included into DAQ system, since beginning 2010-2011 season they have demonstrated stable operation at gas gain 20000–40000...
The described detector for imaging of explosions (DIMEX) has been in operation on the synchrotron radiation (SR) beam-line VEPP-3 electron ring at Budker INP since 2002. DIMEX is based a one-coordinate gas ionization chamber filled with Xe-CO2(3:1) mixture 7atm and active Frisch-grid made Gas Electron Multiplier (GEM). spatial resolution 0.2mm dynamic range ∼100, which allows one to achieve signal measurement precision few percent. frame rate can be tuned up 8 MHz (125 ns per image) as many...
A search for direct production of the f1(1285) resonance in e+e− annihilation is performed with SND detector at VEPP-2000 collider. The analysis based on data an integrated luminosity 15.1 pb−1 accumulated center-of-mass energy range 1.2–1.4 GeV. Two e+e−→f1(1285) candidate events are found peak and zero beyond resonance. significance signal 2.5σ. cross section maximum to be σ(e+e−→f1)=45−24+33 pb. corresponding branching fraction B(f1(1285)→e+e−)=(5.1−2.7+3.7)×10−9. We consider this result...
The dynamics of the process $ e^+e^- \to \pi^+\pi^-\pi^0 is studied in energy region from 1.15 to 2.00 GeV using data accumulated with SND detector at VEPP-2000 $e^+e^-$ collider. Dalitz plot distribution and $\pi^+\pi^-$ mass spectrum are analyzed a model including intermediate states $\rho(770)\pi$, $\rho(1450)\pi$, $\omega\pi^0$. As result, dependences $\rho(770)\pi$ $\rho(1450)\pi$ cross sections relative phases between amplitude $\rho(1450)\pi $\omega\pi^0$ amplitudes obtained. section...
The electromagnetic calorimeter of the BELLE II detector for experiments at Super B-factory SuperKEKB is briefly described. project upgrade to meet severe background conditions expected upgraded KEK B factory presented.
X-ray one-coordinate detectors of photon counting and integrating types based on semiconductor microstrip sensors are developed in the Budker Institute Nuclear Physics (BINP SB RAS) for dynamic experiments at synchrotron radiation facility SKIF. The detector SciCODE register signal from each absorbed sensitive volume exceeding set threshold. In DIMEX-Si, total a large flux photons that hit short frame time is registered. To achieve spatial resolution better than 100 µm wide range energies...