Search Results - "Djalali, C."
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New determination of the branching ratio of the structure dependent radiative K+ → e+νeγ
Published in Physics letters. B (10-08-2023)“…The branching ratio of the structure dependent (SD) radiative K+→e+νeγ decay relative to that of the K+→e+νe(γ) decay including the internal bremsstrahlung…”
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Measurement of structure dependent radiative K+ → e+νγ decays using stopped positive kaons
Published in Physics letters. B (01-03-2022)“…The structure dependent radiative K+→e+νγ (Ke2γSD+) decay was investigated with stopped positive kaons. The e+ momentum spectra containing 574±30Ke2γSD+ events…”
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3
Performance test of a lead-glass counter for the J-PARC E36 experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-04-2015)“…The J-PARC E36 experiment will search for a violation of lepton universality by a precise measurement of the ratio of the kaon decay widths…”
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4
Design of internal superconducting holding magnet for the JLAB Hall-B frozen spin polarized target
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-06-2004)“…We present the results of our investigation of a series of internal holding magnets for longitudinal and transverse polarizations. These magnets will be placed…”
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The nuclear spin response to intermediate energy protons and deuterons at low momentum transfer
Published in Physics reports (1997)“…Measurements of polarization transfer in the inelastic scattering of intermediate energy protons and deuterons have yielded a wealth of data on the spin…”
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New determination of the branching ratio of the structure dependent radiative K+ → e+νγ
Published in Physics letters. B (01-08-2023)Get full text
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Polarized Compton scattering from the proton
Published in Physical review letters (12-02-1996)Get full text
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Measurement of the Q2 Dependence of the Deuteron Spin Structure Function g1 and its Moments at Low Q2 with CLAS
Published in Physical review letters (09-02-2018)“…We measured the g(1) spin structure function of the deuteron at low Q(2), where QCD can be approximated with chiral perturbation theory (chi PT). The data…”
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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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Precise determination of the deuteron spin structure at low to moderate Q2 with CLAS and extraction of the neutron contribution
Published in Physical review. C, Nuclear physics (02-11-2015)“…In this study, we present the final results for the deuteron spin structure functions obtained from the full data set collected with Jefferson Lab's CLAS in…”
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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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12
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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13
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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14
Disappearance of flow in heavy-ion collisions
Published in Physical review letters (06-11-1989)“…We report the first observation of the disappearance of flow in heavy-ion collisions. This is accomplished by measuring the excitation function of the average…”
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Performance check of the CsI(Tl) calorimeter for the J-PARC E36 experiment by observing e+ from muon decay
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2018)“…The J-PARC E36 experiment is searching for lepton universality violation with a stopped kaon beam by measuring the ratio of the K+ decay widths…”
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16
Measurement of Exclusive π0 Electroproduction Structure Functions and their Relationship to Transverse Generalized Parton Distributions
Published in Physical review letters (10-09-2012)Get full text
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17
Measurement of the Neutron F 2 Structure Function via Spectator Tagging with CLAS
Published in Physical review letters (06-04-2012)Get full text
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18
Double polarisation observable G for single pion photoproduction from the proton
Published in Physics letters. B (01-06-2021)“…We report measurements of p+ and p0 meson photoproduction from longitudinally spin-polarised protons by an energy tagged (0.73-2.3 GeV) and linearly polarised…”
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Measurement of the helicity asymmetry $\mathbb{E}$ for the $\vec{\gamma}\vec{p} \to p \pi^0$ reaction in the resonance region
Published in The European physical journal. A, Hadrons and nuclei (2023)“…The double-spin-polarization observable $\mathbb{E}$ for $\vec{\gamma}\vec{p}\to p\pi^0$ has been measured with the CEBAF Large Acceptance Spectrometer (CLAS)…”
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Observation of Beam Spin Asymmetries in the Process $ep\rightarrow{e}^{'}{\pi}^{+}{\pi}^{-}X$ with CLAS12
Published in Physical review letters (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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