NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = I.A.Qattan Found 12 matches. 2023QA01 Phys.Rev. C 107, 045202 (2023) New extraction of the elastic scattering cross-section ratio Re+e- at high Q2 NUCLEAR REACTIONS 1H(e, e), (e+, e+), Q2=5.9-15.7 (GeV/c)2; deduced positron-proton to electron-proton elastic scattering s(E) ratio, hard two-photon-exchange (TPE) correction to σ. Two methods used for the extraction of σ ratio - Borisyuk-Kobushkin parametrization and analysis of combined unpolarized and polarized ep elastic scattering experimental data.
doi: 10.1103/PhysRevC.107.045202
2021QA01 Phys.Rev. C 103, 045202 (2021) I.A.Qattan, A.Alsaad, A.A.Ahmad Extraction of elastic scattering cross-section ratio Re+e- from ep elastic scattering experimental data NUCLEAR REACTIONS 1H(e-, e-), (e+, e+), Q2=0.01-10 (GeV/c)2; calculated elastic scattering cross section ratio Re+e- using proposed, model-independent parametrizations of the hard two-photon exchange (TPE) corrections to electron-proton (ep) elastic scattering cross section. Comparison with other theoretical predictions, and with experimental data from CLAS, VEPP-3, and OLYMPUS experiments.
doi: 10.1103/PhysRevC.103.045202
2021QA02 Phys.Rev. C 103, 055202 (2021) I.A.Qattan, A.Alsaad, A.A.Ahmad New extraction of the Re+e- elastic scattering cross-section ratio based on a simplified phenomenological hard two-photon-exchange correction approach NUCLEAR REACTIONS 1H(e-, e-), (e+, e+), Q2=0.01-10 (GeV/c)2; analyzed experimental data from CLAS, VEPP-3, OLYMPUS and other experiments using phenomenological parameterization of the hard two-photon-exchange (TPE) corrections; deduced best fit parameters, TPE coefficient, σ(e+, e+)/σ(e-, e-) ratio.
doi: 10.1103/PhysRevC.103.055202
2020QA01 Phys.Rev. C 101, 055202 (2020) I.A.Qattan, S.P.Patole, A.Alsaad Suppression of hard two-photon-exchange contributions to Re+e- elastic scattering cross-section ratios: A phenomenological approach NUCLEAR REACTIONS 1H(e-, e-), (e+, e+), Q2=0.01-3 (GeV/c)2; calculated two-photon-exchange (TPE) coefficients, ratio Re+e- or R2γ of positron-proton and electron-proton elastic-scattering σ(E) using a new phenomenological parametrization of the two-photon-exchange corrections. Comparison with experimental data from CLAS, VEPP-3, and OLYMPUS experiments, and with other analyses.
doi: 10.1103/PhysRevC.101.055202
2018QA01 Phys.Rev. C 97, 045201 (2018) I.A.Qattan, D.Homouz, M.K.Riahi Improved extraction of two-photon exchange amplitudes from elastic electron-proton scattering cross section data up to Q2 = 5.20 (GeV /c)2 NUCLEAR REACTIONS 1H(e, e), Q2=0.01-10 (GeV/c)2; analyzed reduced σ(E); calculated two-photon exchange (TPE) amplitudes, and the components of transverse and longitudinal transferred polarization. Comparison with experimental values and other theoretical calculations.
doi: 10.1103/PhysRevC.97.045201
2017QA01 Phys.Rev. C 95, 055205 (2017) Phenomenological extraction of two-photon exchange amplitudes from elastic electron-proton scattering cross section data NUCLEAR REACTIONS 1H(e, e), at Q2=0.0322-6 GeV/c2; analyzed cross section and polarization data; deduced simple parametrizations of the two-photon exchange (TPE) amplitudes. Comparison with previous phenomenological extractions and TPE calculations.
doi: 10.1103/PhysRevC.95.055205
2017QA02 Phys.Rev. C 95, 065208 (2017) Prediction of e± elastic scattering cross-section ratio based on phenomenological two-photon exchange corrections NUCLEAR REACTIONS 1H(e, e), (e+, e+), Q2=0.06-3 GeV2; calculated elastic scattering cross-section ratio for (e, e) and (e+, e+) ratio using a new parametrization of the two-photon exchange (TPE) corrections, and compared with previous extractions and with experimental data from CLAS, VEPP-3 Novosibirsk, and OLYMPUS.
doi: 10.1103/PhysRevC.95.065208
2015QA01 Phys.Rev. C 91, 065203 (2015) I.A.Qattan, J.Arrington, A.Alsaad Flavor decomposition of the nucleon electromagnetic form factors at low Q2 NUCLEAR REACTIONS 1H(e, e) at Q2<4.0 (GeV/c)2; analyzed elastic electromagnetic form factors of the proton and the two-photon-exchange (TPE) amplitude correction based on phenomenological TPE corrections to electron-proton cross sections; deduced new parametrization of the recoil-polarization ratio, predictions for ratio of positron-proton to electron-proton elastic scattering cross sections, nucleons flavor-separated form factors; compared the results to different phenomenological extractions and recent theoretical calculations.
doi: 10.1103/PhysRevC.91.065203
2012QA01 Phys.Rev. C 86, 065210 (2012) Flavor decomposition of the nucleon electromagnetic form factors
doi: 10.1103/PhysRevC.86.065210
2011QA01 Phys.Rev. C 83, 054307 (2011); Erratum JOUR PRVCA 84 029905 (2011) Empirical parametrization of the two-photon-exchange effect contributions to the electron-proton elastic scattering cross section
doi: 10.1103/PhysRevC.83.054307
2011QA02 Phys.Rev. C 84, 054317 (2011) I.A.Qattan, A.Alsaad, J.Arrington Reexamination of phenomenological two-photon exchange corrections to the proton form factors and e ± p scattering NUCLEAR REACTIONS 1H(e, e), E not given; calculated proton elastic electromagnetic form factors and two-photon exchange (TPE) contribution using two different parametrizations; analyzed electron-proton elastic cross sections. Comparison with different phenomenological extractions and direct calculations. Predictions for ratio of positron-proton or electron-proton elastic cross sections and comparison with previous analyses.
doi: 10.1103/PhysRevC.84.054317
2005QA01 Phys.Rev.Lett. 94, 142301 (2005) I.A.Qattan, J.Arrington, R.E.Segel, X.Zheng, K.Aniol, O.K.Baker, R.Beams, E.J.Brash, J.Calarco, A.Camsonne, J.-P.Chen, M.E.Christy, D.Dutta, R.Ent, S.Frullani, D.Gaskell, O.Gayou, R.Gilman, C.Glashausser, K.Hafidi, J.-O.Hansen, D.W.Higinbotham, W.Hinton, R.J.Holt, G.M.Huber, H.Ibrahim, L.Jisonna, M.K.Jones, C.E.Keppel, E.Kinney, G.J.Kumbartzki, A.Lung, D.J.Margaziotis, K.McCormick, D.Meekins, R.Michaels, P.Monaghan, P.Moussiegt, L.Pentchev, C.Perdrisat, V.Punjabi, R.Ransome, J.Reinhold, B.Reitz, A.Saha, A.Sarty, E.C.Schulte, K.Slifer, P.Solvignon, V.Sulkosky, K.Wijesooriya, B.Zeidman Precision Rosenbluth Measurement of the Proton Elastic Form Factors NUCLEAR REACTIONS 1H(e, e), E=1.9-4.7 GeV; measured recoil proton spectra, σ(θ), σ. 1H deduced electromagnetic form factors.
doi: 10.1103/PhysRevLett.94.142301
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