Search Results - "Gavalian, G"
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Scaling tests of the cross section for deeply virtual Compton scattering
Published in Physical review letters (31-12-2006)“…We present the first measurements of the e[over -->]p-->epgamma cross section in the deeply virtual Compton scattering (DVCS) regime and the valence quark…”
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Exclusive neutral pion electroproduction in the deeply virtual regime
Published in Physical review. C, Nuclear physics (02-02-2011)“…We present measurements of the ep->ep pi^0 cross section extracted at two values of four-momentum transfer Q^2=1.9 GeV^2 and Q^2=2.3 GeV^2 at Jefferson Lab…”
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Deep learning level-3 electron trigger for CLAS12
Published in Computer physics communications (01-09-2023)“…Fast, efficient and accurate triggers are a critical requirement for modern high energy physics experiments given the increasingly large quantities of data…”
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Jas4pp — A data-analysis framework for physics and detector studies
Published in Computer physics communications (01-05-2021)“…This paper describes the Jas4pp framework for exploring physics cases and for detector-performance studies of future particle collision experiments. Jas4pp is…”
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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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The CLAS12 software framework and event reconstruction
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-04-2020)“…We describe offline event reconstruction for the CEBAF Large Acceptance Spectrometer at 12 GeV (CLAS12), including an overview of the offline reconstruction…”
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A multidimensional study of the structure function ratio σLT′/σ0 from hard exclusive π+ electro-production off protons in the GPD regime
Published in Physics letters. B (10-04-2023)“…A multidimensional extraction of the structure function ratio σLT′/σ0 from the hard exclusive e→p→e′nπ+ reaction above the resonance region has been performed…”
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Beam-spin asymmetry Σ for Σ− hyperon photoproduction off the neutron
Published in Physics letters. B (10-04-2022)“…We report a new measurement of the beam-spin asymmetry, Σ, for the γ→n→K+Σ− reaction using quasi-free neutrons in a liquid-deuterium target. The new dataset…”
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Beam spin asymmetry measurements of deeply virtual π0 production with CLAS12
Published in Physics letters. B (01-02-2024)“…The new experimental measurements of beam spin asymmetry were performed for the deeply virtual exclusive π0 production in a wide kinematic region with the…”
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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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Double polarisation observable G for single pion photoproduction from the proton
Published in Physics letters. B (01-06-2021)“…We report measurements of π+ and π0 meson photoproduction from longitudinally spin-polarised protons by an energy tagged (0.73-2.3 GeV) and linearly polarised…”
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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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Beam–target helicity asymmetry E in K+Σ− photoproduction on the neutron
Published in Physics letters. B (10-09-2020)“…We report a measurement of a beam–target double-polarisation observable (E) for the γ→n→(p)→K+Σ−(p) reaction. The data were obtained impinging the…”
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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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A multidimensional study of the structure function ratio $\sigma_{LT'}$/$\sigma_0$ from hard exclusive $\pi^+$ electro-production off protons in the GPD regime
Published in Physics letters. B (09-02-2023)“…A multidimensional extraction of the structure function ratio σLT'/σ0 from the hard exclusive $\vec{e}$p → e'nπ+ reaction above the resonance region has been…”
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First observation of correlations between spin and transverse momenta in back-to-back dihadron production at CLAS12
Published in Physical review letters (2023)“…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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Alignment of the CLAS12 central hybrid tracker with a Kalman Filter
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-04-2023)“…Several factors can contribute to the difficulty of aligning the sensors of tracking detectors, including a large number of modules, multiple types of detector…”
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The CLAS12 software framework and event reconstruction
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-04-2020)“…We describe offline event reconstruction for CLAS12 at 12 GeV…”
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Photoproduction of the f2 (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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Electron-beam energy reconstruction for neutrino oscillation measurements
Published in Nature (London) (24-11-2021)“…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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