Search Results - "Sharabian, Y. G."
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A new highly segmented start counter for the CLAS detector
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (2006)“…The design, construction and performance of a highly segmented Start Counter are described. The Start Counter is an integral part of the trigger used in photon…”
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The CLAS12 beamline and its performance
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-04-2020)“…This paper describes the Hall B beamline and its performance during the first year of data-taking operation using the CLAS12 detector. We review the beamline…”
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The CLAS12 Low Threshold Cherenkov detector
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2020)“…The CLAS Cherenkov threshold gas detector was instrumental for electron identification in the Hall B 6 GeV era at Jefferson Lab. The detector’s scope has been…”
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The CLAS12 high threshold Cherenkov counter
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-07-2020)“…The High Threshold Cherenkov Counter (HTCC) is one of the detector systems of the CLAS12 spectrometer, and is used to generate a fast trigger signal in…”
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First Measurement of Λ Electroproduction off Nuclei in the Current and Target Fragmentation Regions
Published in Physical review letters (04-04-2023)“…Here, we report results of Λ hyperon production in semi-inclusive deep-inelastic scattering off deuterium, carbon, iron, and lead targets obtained with the…”
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Photoproduction of the f 2 ( 1270 ) Meson Using the CLAS Detector
Published in Physical review letters (25-02-2021)“…The quark structure of the f 2 ( 1270 ) meson has, for many years, been assumed to be a pure quark-antiquark (q$\bar{q}$) resonance with quantum numbers JPC =…”
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Target and Double Spin Asymmetries of Deeply Virtual $\pi^0$ Production with a Longitudinally Polarized Proton Target and CLAS
Published in Physics letters. B (01-05-2017)“…The target and double spin asymmetries of the exclusive pseudoscalar channel $\vec e\vec p\to ep\pi^0$ were measured for the first time in the deep-inelastic…”
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Target and double spin asymmetries of deeply virtual π 0 production with a longitudinally polarized proton target and CLAS
Published in Physics letters. B (01-05-2017)“…The target and double spin asymmetries of the exclusive pseudoscalar channel e→p→→epπ0 were measured for the first time in the deep-inelastic regime using a…”
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Photoproduction of the f_{2}(1270) Meson Using the CLAS Detector
Published in Physical review letters (26-02-2021)“…The quark structure of the f_{2}(1270) meson has, for many years, been assumed to be a pure quark-antiquark (qq[over ¯]) resonance with quantum numbers…”
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Upper limits for the photoproduction cross section for the Φ − − ( 1860 ) pentaquark state off the deuteron
Published in Physical review. C, Nuclear physics (01-01-2012)“…We searched for the {Phi}{sup --}(1860) pentaquark in the photoproduction process off the deuteron in the {Xi}{sup -} {pi}{sup -} decay channel using CLAS. The…”
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Measurement of the nuclear multiplicity ratio for [inline image] hadronization at CLAS
Published in Physics letters. B (30-11-2011)“…The influence of cold nuclear matter on lepto-production of hadrons in semi-inclusive deep inelastic scattering is measured using the CLAS detector in Hall B…”
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Precise measurements of beam spin asymmetries in semi-inclusive pi super(0) production
Published in Physics letters. B (25-10-2011)“…We present studies of single-spin asymmetries for neutral pion electroproduction in semi-inclusive deep-inelastic scattering of 5.776 GeV polarized electrons…”
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Differential cross section of gamma n--> K super(+)[sigma] super(-) on bound neutrons with incident photons from 1.1 to 3.6 GeV
Published in Physics letters. B (10-05-2010)“…Differential cross sections of the reaction gamma d-->K super(+)[sigma] super(-)(p) have been measured with the CLAS detector at Jefferson Lab using incident…”
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14
Nuclear physics. Momentum sharing in imbalanced Fermi systems
Published in Science (American Association for the Advancement of Science) (31-10-2014)“…The atomic nucleus is composed of two different kinds of fermions: protons and neutrons. If the protons and neutrons did not interact, the Pauli exclusion…”
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Searching for Prompt and Long-Lived Dark Photons in Electro-Produced $e^+e^-$ Pairs with the Heavy Photon Search Experiment at JLab
Published 20-12-2022“…The Heavy Photon Search experiment (HPS) at the Thomas Jefferson National Accelerator Facility searches for electro-produced dark photons. We report results…”
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First observation of correlations between spin and transverse momenta in back-to-back dihadron production at CLAS12
Published 10-08-2022“…We report the first measurements of deep inelastic scattering spin-dependent azimuthal asymmetries in back-to-back dihadron electroproduction, where two…”
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Probing the core of the strong nuclear interaction
Published 27-10-2020“…Nature vol. 578 pp. 540-544 (2020) The strong nuclear interaction between nucleons (protons and neutrons) is the effective force that holds the atomic nucleus…”
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Quark-hadron duality in spin structure functions g{sub 1}{sup p} and g{sub 1}{sup d}
Published in Physical review. C, Nuclear physics (15-03-2007)“…New measurements of the spin structure functions of the proton and deuteron g{sub 1}{sup p}(x,Q{sup 2}) and g{sub 1}{sup d}(x,Q{sup 2}) in the nucleon…”
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Search for a Dark Photon in Electro-Produced $e^{+}e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab
Published 05-12-2018“…The Heavy Photon Search experiment took its first data in a 2015 engineering run using a 1.056 GeV, 50 nA electron beam provided by CEBAF at the Thomas…”
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Search for a Dark Photon in Electro-Produced $e^{+}e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab
Published 30-07-2018“…Phys. Rev. D 98, 091101 (2018) The Heavy Photon Search experiment took its first data in a 2015 engineering run at the Thomas Jefferson National Accelerator…”
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