Search Results - "H. Voskanyan"
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1
Modified structure of protons and neutrons in correlated pairs
Published in Nature (London) (01-02-2019)“…The atomic nucleus is made of protons and neutrons (nucleons), which are themselves composed of quarks and gluons. Understanding how the quark–gluon structure…”
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Direct Observation of Proton-Neutron Short-Range Correlation Dominance in Heavy Nuclei
Published in Physical review letters (03-05-2019)“…We measured the triple coincidence A(e,e^{'}np) and A(e,e^{'}pp) reactions on carbon, aluminum, iron, and lead targets at Q^{2}>1.5 (GeV/c)^{2}, x_{B}>1.1 and…”
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3
Electron-beam energy reconstruction for neutrino oscillation measurements
Published in Nature (London) (25-11-2021)“…Neutrinos exist in one of three types or ‘flavours’—electron, muon and tau neutrinos—and oscillate from one flavour to another when propagating through space…”
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First Measurement of Timelike Compton Scattering
Published in Physical review letters (24-12-2021)“…We present the first measurement of the timelike Compton scattering process, γp→p^{'}γ^{*}(γ^{*}→e^{+}e^{-}), obtained with the CLAS12 detector at Jefferson…”
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Center of Mass Motion of Short-Range Correlated Nucleon Pairs studied via the A(e,e^{'}pp) Reaction
Published in Physical review letters (31-08-2018)“…Short-range correlated (SRC) nucleon pairs are a vital part of the nucleus, accounting for almost all nucleons with momentum greater than the Fermi momentum…”
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Improved Λp Elastic Scattering Cross Sections between 0.9 and 2.0 GeV/c as a Main Ingredient of the Neutron Star Equation of State
Published in Physical review letters (31-12-2021)“…Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a…”
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Measurement of the proton spin structure at long distances
Published in Nature physics (01-06-2021)“…Measuring the spin structure of protons and neutrons tests our understanding of how they arise from quarks and gluons, the fundamental building blocks of…”
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8
Presence and survival of African swine fever virus in leeches
Published in Veterinary microbiology (01-10-2019)“…•ASFV can spread in the environment and infect pigs via water and food, mostly through ingestion and occasionally through skin contact.•ASFV is able to survive…”
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Towards a resolution of the proton form factor problem: new electron and positron scattering data
Published in Physical review letters (10-02-2015)“…There is a significant discrepancy between the values of the proton electric form factor, G(E)(p), extracted using unpolarized and polarized electron…”
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10
Observation of Correlations between Spin and Transverse Momenta in Back-to-Back Dihadron Production at CLAS12
Published in Physical review letters (13-01-2023)“…We report the first measurements of deep inelastic scattering spin-dependent azimuthal asymmetries in back-to-back dihadron electroproduction in the deep…”
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11
Exploring the Structure of the Bound Proton with Deeply Virtual Compton Scattering
Published in Physical review letters (19-07-2019)“…In the past two decades, deeply virtual Compton scattering of electrons has been successfully used to advance our knowledge of the partonic structure of the…”
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An experimental program with high duty-cycle polarized and unpolarized positron beams at Jefferson Lab
Published in The European physical journal. A, Hadrons and nuclei (01-08-2021)“…Positron beams, both polarized and unpolarized, are identified as important ingredients for the experimental programs at the next generation of lepton…”
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13
First CLAS12 Measurement of Deeply Virtual Compton Scattering Beam-Spin Asymmetries in the Extended Valence Region
Published in Physical review letters (26-05-2023)“…Deeply virtual Compton scattering (DVCS) allows one to probe generalized parton distributions describing the 3D structure of the nucleon. We report the first…”
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14
Beam Spin Asymmetry in Semi-Inclusive Electroproduction of Hadron Pairs
Published in Physical review letters (12-02-2021)“…A first measurement of the longitudinal beam spin asymmetry A_{LU} in the semi-inclusive electroproduction of pairs of charged pions is reported. A_{LU} is a…”
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15
Beam-Target Helicity Asymmetry for γ[over →]n[over →]→π^{-}p in the N^{} Resonance Region
Published in Physical review letters (16-06-2017)“…We report the first beam-target double-polarization asymmetries in the γ+n(p)→π^{-}+p(p) reaction spanning the nucleon resonance region from invariant mass…”
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16
The Heavy Photon Search test detector
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2015)“…The Heavy Photon Search (HPS), an experiment to search for a hidden sector photon in fixed target electroproduction, is preparing for installation at the…”
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IL-23/IL-17/G-CSF pathway is associated with granulocyte recruitment to the lung during African swine fever
Published in Veterinary immunology and immunopathology (15-10-2016)“…The interleukin (IL)-23/IL-17 pathway plays a crucial role in various forms of inflammation but its function in acute African swine fever (ASF) is not well…”
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First Measurements of the Double-Polarization Observables F, P, and H in ω Photoproduction off Transversely Polarized Protons in the N^{} Resonance Region
Published in Physical review letters (26-04-2019)“…First measurements of double-polarization observables in ω photoproduction off the proton are presented using transverse target polarization and data from the…”
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Interferon status and white blood cells during infection with African swine fever virus in vivo
Published in Veterinary immunology and immunopathology (15-01-2012)“…African swine fever virus (ASFV) is the causative agent of African swine fever that is the significant disease of domestic pigs, with high rates of mortality…”
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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 f2(1270) meson has, for many years, been assumed to be a pure quark-antiquark (qq¯) resonance with quantum numbers JPC=2++…”
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