Search Results - "Neganov, A B"
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Insight into the Narrow Structure in η Photoproduction on the Neutron from Helicity-Dependent Cross Sections
Published in Physical review letters (22-09-2016)“…The double polarization observable E and the helicity dependent cross sections σ_{1/2} and σ_{3/2} were measured for η photoproduction from quasifree protons…”
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Observation of the Polarization of Λ Hyperons Produced in the Interaction of K– Mesons with Nuclei
Published in JETP letters (01-09-2024)“…First results on the polarization of hyperons inclusively produced on 26.5-GeV/ c and beams are presented. The measurements were carried out using the…”
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Spin polarizabilities of the proton by measurement of Compton double-polarization observables
Published 26-08-2020“…Phys. Rev. C 102, 035205 (2020) The Compton double-polarization observable $\Sigma_{2z}$ has been measured for the first time in the $\Delta(1232)$ resonance…”
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First measurement of helicity-dependent cross sections in pi0-eta photoproduction from quasi-free nucleons
Published 05-10-2018“…The helicity-dependent cross sections for the photoproduction of $\pi^0\eta$ pairs have been measured for the first time. The experiment was performed at the…”
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Helicity-dependent cross sections and double-polarization observable E in eta photoproduction from quasi-free protons and neutrons
Published 03-04-2017“…Phys. Rev. C 95 (2017) 055201 Precise helicity-dependent cross sections and the double-polarization observable $E$ were measured for $\eta$ photoproduction…”
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Conceptual Design of the SPASCHARM Experiment
Published in Physics of particles and nuclei (01-02-2023)“…The SPASCHARM experiment is aimed at a systematic study of the nucleon spin structure and the spin dependence of the strong interaction of antimatter and…”
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Insight into the narrow structure in {\boldmath{$\eta$}}-photoproduction on the neutron from helicity dependent cross sections
Published 05-02-2017“…Phys. Rev. Lett. 117 (2016) 132502 The double polarization observable $E$ and the helicity dependent cross sections $\sigma_{1/2}$ and $\sigma_{3/2}$ were…”
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First measurement of helicity-dependent cross sections in π0η photoproduction from quasi-free nucleons
Published in Physics letters. B (01-11-2018)“…The helicity-dependent cross sections for the photoproduction of π0η pairs have been measured for the first time. The experiment was performed at the tagged…”
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First measurement of the polarization observable E and helicity-dependent cross sections in single π 0 photoproduction from quasi-free nucleons
Published in Physics letters. B (01-07-2017)“…The double-polarization observable Eand the helicity-dependent cross sections σ1/2and σ3/2have been measured for the first time for single π0photoproduction…”
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Searches for single-spin asymmetry in the inclusive production of neutral pions in the central region at a proton beam energy of 70 GeV
Published in Physics of atomic nuclei (01-08-2004)Get full text
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Photon asymmetry measurements of $\overrightarrow{\gamma}p \rightarrow \pi^{0} p$ γ → p → π 0 p for $E_{\gamma}=$ 320-650 MeV
Published in The European physical journal. A, Hadrons and nuclei (17-11-2016)“…High-statistics measurements of the photon asymmetry Σ for the $\overrightarrow{\gamma}p \rightarrow \pi^{0} p$ reaction have been made in the center-of-mass…”
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Frozen spin solid targets developed at the Laboratory of Nuclear Problems (JINR, Dubna)
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-01-1998)“…Experience with polarized targets [1,2] and achieving of very low temperatures in 1966 at the Laboratory of Nuclear Problems [3] and by another group [4] gave…”
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A movable polarized target for high energy spin physics experiments
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-04-1996)“…A movable polarized target has a volume 140 cm 3 (20 cm long and 3 cm diameter). Polarizing magnet was tested to 6.5T, homogeneity is better than 2 × 10 −4…”
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Photon asymmetry measurements of γ → p → π 0 p for E γ = 320-650 MeV
Published in The European physical journal. A, Hadrons and nuclei (01-01-2016)“…High-statistics measurements of the photon asymmetry Σ for the γ → p → π 0 p reaction have been made in the center-of-mass energy range W = 1214 - 1450 MeV…”
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Photon asymmetry measurements of γ→p→π0p for Eγ=320-650 MeV
Published in The European physical journal. A, Hadrons and nuclei (2016)“… High-statistics measurements of the photon asymmetry Σ for the γ → p → π 0 p reaction have been made in the center-of-mass energy range W = 1214 - 1450 MeV…”
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The new frozen spin target at MAMI
Published in Physics of particles and nuclei (01-11-2013)“…The new frozen spin polarized target for experiments at the polarized beam of the real photon facility A2 of the MAMI accelerator is described. The…”
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The movable polarized target as a basic equipment for high energy spin physics experiments at the JINR-Dubna accelerator complex
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-03-1995)“…A movable polarized proton target is planned to be installed in polarized beams of the Synchrophasotron-Nuclotron complex in order to carry out a spin physics…”
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Analyzing Power in the Reaction p + p └ → π 0 + X in the polarized-target fragmentation region at an energy of 50 GeV
Published in Physics of atomic nuclei (01-05-2014)Get full text
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Deuteron frozen spin polarized target for nd experiements at the VdG accelerator of Charles University
Published 09-12-2007“…Nucl.Instrum.Meth.A593:177-182,2008 A frozen spin polarized deuteron target cooled by the 3He/4He dilution refrigerator is described. Fully deuterated…”
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