Search Results - "Atac, H."
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Measurement of the neutron charge radius and the role of its constituents
Published in Nature communications (19-03-2021)“…The neutron is a cornerstone in our depiction of the visible universe. Despite the neutron zero-net electric charge, the asymmetric distribution of the…”
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Determining the gluonic gravitational form factors of the proton
Published in Nature (London) (30-03-2023)“…The proton is one of the main building blocks of all visible matter in the Universe 1 . Among its intrinsic properties are its electric charge, mass and spin 2…”
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Charge radii of the nucleon from its flavor dependent Dirac form factors
Published in The European physical journal. A, Hadrons and nuclei (01-02-2021)“…We have determined the proton and the neutron charge radii from a global analysis of the proton and the neutron elastic form factors, after first performing a…”
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Author Correction: Measurement of the neutron charge radius and the role of its constituents
Published in Nature communications (27-05-2021)Get full text
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5
Measured proton electromagnetic structure deviates from theoretical predictions
Published in Nature (London) (10-11-2022)“…The visible world is founded on the proton, the only composite building block of matter that is stable in nature. Consequently, understanding the formation of…”
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Pion electroproduction measurements in the nucleon resonance region
Published in The European physical journal. A, Hadrons and nuclei (29-08-2024)“…We report new pion electroproduction measurements in the Δ ( 1232 ) resonance, utilizing the SHMS - HMS magnetic spectrometers of Hall C at Jefferson Lab. The…”
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7
Virtual Compton scattering measurements in the nucleon resonance region
Published in The European physical journal. A, Hadrons and nuclei (01-10-2019)“… We report on new measurements of the electric Generalized Polarizability (GP) of the proton α E in a kinematic region where a puzzling dependence on momentum…”
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Measurement of the Nucleon F2n/F2p Structure Function Ratio by the Jefferson Lab MARATHON Tritium/Helium-3 Deep Inelastic Scattering Experiment
Published in Physical review letters (01-04-2022)“…The ratio of the nucleon $F_2$ structure functions, $F^n_2/F^p_2$, is determined by the MARATHON experiment from measurements of deep inelastic scattering of…”
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{12}$C(e,e$^\prime$pn) measurements of short range correlations in the tensor-to-scalar interaction transition region
Published in Physics letters. B (10-09-2021)“…The strong nuclear interaction is probed at short-distance and high-momenta using new measurements of the $^{12}$C$(e,e'p)$ and $^{12}$C$(e,e'pn)$ reactions,…”
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Form Factors and Two-Photon Exchange in High-Energy Elastic Electron-Proton Scattering
Published in Physical review letters (11-03-2022)“…We present new precision measurements of the elastic electron-proton scattering cross section for momentum transfer (Q^{2}) up to 15.75 (GeV/c)^{2}. Combined…”
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Observation of Beam Spin Asymmetries in the Process ep→e^{'}π^{+}π^{-}X with CLAS12
Published in Physical review letters (16-04-2021)“…The observation of beam spin asymmetries in two-pion production in semi-inclusive deep inelastic scattering off an unpolarized proton target is reported. The…”
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Probing Few-Body Nuclear Dynamics via H 3 and He 3 ( e , e ′ p ) pn Cross-Section Measurements
Published in Physical review letters (29-05-2020)Get full text
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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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14
Deeply Virtual Compton Scattering Cross Section at High Bjorken x_{B}
Published in Physical review letters (24-06-2022)Get full text
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15
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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Beam Spin Asymmetry Measurements of Deeply Virtual $π$0 Production with CLAS12
Published in Physics letters. B (17-01-2024)“…The new experimental measurements of beam spin asymmetry were performed for the deeply virtual exclusive $π$0 production in a wide kinematic region with the…”
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17
Timing detectors with SiPM read-out for the MUSE experiment at PSI
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-01-2021)“…The Muon Scattering Experiment at the Paul Scherrer Institute uses a mixed beam of electrons, muons, and pions, necessitating precise timing to identify the…”
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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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Deep Exclusive Electroproduction of π^{0} at High Q^{2} in the Quark Valence Regime
Published in Physical review letters (08-10-2021)Get full text
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A multidimensional study of the structure function ratio σ L T ′ / σ 0 from hard exclusive π+ electro-production off protons in the GPD regime
Published in Physics letters. B (01-04-2023)Get full text
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