Search Results - "Karnaev, S. E."
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Crossing integer spin resonance with conservation of beam polarization
Published in Physical review. Accelerators and beams (01-11-2019)“…A method proposed to preserve the electron beam polarization at the VEPP-4M collider during acceleration with crossing the integer (imperfection) spin…”
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Synchronous Monitoring of Device and Beam Parameters on the Synchrotron Radiation Facility Siberian Circular Photon Source
Published in Physics of particles and nuclei letters (2024)“…This paper describes an approach enabling the continuous monitoring of all devices on the Synchrotron Radiation Facility Siberian Circular Photon Source (SRF…”
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Measurement of Γee(J/ψ) with KEDR detector
Published in The journal of high energy physics (01-05-2018)“…A bstract The product of the electronic width of the J/ψ meson and the branching fractions of its decay to hadrons and electrons has been measured using the…”
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Magnet Power Supply System for the Storage Ring of the SKIF Common Use Center
Published in Physics of particles and nuclei letters (01-08-2023)“…The power supply system for the electromagnets of the electron storage ring of the SKIF common use center (CUC) includes five types of stabilized current…”
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The Coherent Particle-Oscillation Excitation System at the VEPP-4M Collider
Published in Instruments and experimental techniques (New York) (01-09-2019)“…A system for excitation of coherent oscillations of a bunch of particles was created to study the beam dynamics at the VEPP-4M electron-positron collider; it…”
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Measurement of the tensor analyzing power T20 for the reaction γd→dπ0
Published in The European physical journal. A, Hadrons and nuclei (2020)“…We present the first accurate results of measurements of the tensor analyzing power component T 20 for the coherent neutral pion photoproduction on the…”
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New precision measurement of the J/ψ- and ψ′-meson masses
Published in Physics letters. B (30-10-2003)“…A new high precision measurement of the J/ψ- and ψ′-meson masses has been performed at the VEPP-4M collider using the KEDR detector. The resonant…”
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Start of the experiment on the absolute calibration of particle energy in VÉPP-4M near the τ-lepton production threshold
Published in Atomic energy (New York, N.Y.) (01-12-2002)Get full text
Conference Proceeding -
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Crossing integer spin resonance at VEPP-4M with conservation of beam polarization
Published 02-07-2019“…Phys. Rev. Accel. Beams 22, 112804 (2019) A method proposed to preserve the electron beam polarization at the VEPP-4M collider during acceleration with…”
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10
Precise measurement of Ruds and R between 1.84 and 3.72 GeV at the KEDR detector
Published in Physics letters. B (01-01-2019)“…The present work continues a series of the KEDR measurements of the R value that started in 2010 at the VEPP-4M e+e− collider. By combining new data with our…”
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Measurement of the T20 component of tensor analyzing power for the incoherent π−-meson photoproduction on a deuteron
Published in Nuclear physics. A (01-01-2024)“…We present experimental results for T20 component of the tensor analyzing power for incoherent π− photoproduction on a deuteron. The experiment was performed…”
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12
Absolute calibration of particle energy at VEPP-4M
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-11-2002)“…We have started a new series of experiments on a precise measurement of J/ Ψ-, Ψ′- mesons and τ-lepton masses at VEPP-4M collider with KEDR detector. Features…”
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Measurement of R between 1.84 and 3.05 GeV at the KEDR detector
Published in Physics letters. B (10-07-2017)“…Using the KEDR detector at the VEPP-4M e+e− collider, we have determined the values of R at thirteen points of the center-of-mass energy between 1.84 and 3.05…”
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Measurement of the branching fraction of J/ψ → ρπ at KEDR
Published in The journal of high energy physics (01-07-2023)“…A bstract We present the study of the decay J/ψ → ρπ . The results are based on of 5.2 million J/ψ events collected by the KEDR detector at the VEPP-4M…”
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Measurement of Ruds and R between 3.12 and 3.72 GeV at the KEDR detector
Published in Physics letters. B (10-02-2016)“…Using the KEDR detector at the VEPP-4M e+e− collider, we have measured the values of Ruds and R at seven points of the center-of-mass energy between 3.12 and…”
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16
Current Status of the VEPP-4 Accelerator Facility
Published in Physics of particles and nuclei letters (01-12-2020)“…At the VEPP-4 accelerator complex experiments on high energy physics, nuclear physics, synchrotron radiation and hard X-ray are carried out. The paper presents…”
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Measurement of J/ψ decays into final states 2(π+π-)π0,K+K-π+π-π0,2(π+π-) and K+K-π+π
Published in The European physical journal. C, Particles and fields (22-10-2022)“…Using the 1.32 pb - 1 statistics collected at the J / ψ peak with the KEDR detector at the VEPP-4M e + e - collider, we measured the branching fractions of J /…”
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Measurement of $$J/\psi $$ decays into final states $$2(\pi ^{+}\pi ^{-})\pi ^{0},K^{+}K^{-}\pi ^{+}\pi ^{-}\pi ^{0},\,2(\pi ^{+}\pi ^{-})$$ and $$K^{+}K^{-}\pi ^{+}\pi ^{-}
Published in The European physical journal. C, Particles and fields (22-10-2022)“…Abstract Using the 1.32 $$\hbox {pb}^{-1}$$ pb - 1 statistics collected at the $$J/\psi $$ J / ψ peak with the KEDR detector at the VEPP-4M $$e^{+}e^{-\, }$$ e…”
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Final analysis of KEDR data on J/ψ and ψ(2S) masses
Published in Physics letters. B (07-10-2015)“…We present the analysis of all KEDR data on the determination of J/ψ and ψ(2S) masses. The data comprise six scans of J/ψ and seven scans of ψ(2S) which were…”
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Measurement of the tensor analyzing power $$T_{20}$$ for the reaction $$\gamma d \rightarrow d\pi ^0
Published in The European physical journal. A, Hadrons and nuclei (01-06-2020)Get full text
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