NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = M.Vorabbi Found 17 matches. 2024VO02 Phys.Rev. C 109, 034613 (2024) M.Vorabbi, C.Barbieri, V.Soma, P.Finelli, C.Giusti Microscopic optical potentials for medium-mass isotopes derived at the first order of Watson multiple-scattering theory
doi: 10.1103/PhysRevC.109.034613
2023HE08 J.Phys.(London) G50, 060501 (2023) C.Hebborn, F.M.Nunes, G.Potel, W.H.Dickhoff, J.W.Holt, M.C.Atkinson, R.B.Baker, C.Barbieri, G.Blanchon, M.Burrows, R.Capote, P.Danielewicz, M.Dupuis, C.Elster, J.E.Escher, L.Hlophe, A.Idini, H.Jayatissa, B.P.Kay, K.Kravvaris, J.J.Manfredi, A.Mercenne, B.Morillon, G.Perdikakis, C.D.Pruitt, G.H.Sargsyan, I.J.Thompson, M.Vorabbi, T.R.Whitehead Optical potentials for the rare-isotope beam era
doi: 10.1088/1361-6471/acc348
2022AT03 Phys.Rev. C 105, 055503 (2022) M.Atzori Corona, M.Cadeddu, N.Cargioli, P.Finelli, M.Vorabbi Incorporating the weak mixing angle dependence to reconcile the neutron skin measurement on 208Pb by PREX-II NUCLEAR REACTIONS 208Pb(polarized e-, e-), E=953 MeV; analyzed experimental results of PREX-II experiment reported by 2021Ad10 by fixing the weak mixing angle to its standard model, and using atomic parity violation (APV) experimental results on 208Pb in order to explain the disagreement between PREX-II result and the theoretical nuclear-model predictions, as well as several previous experimental measurements of neutron skin thickness of 208Pb; calculated asymmetry and σ values under the DWBA using modified DREPHA code; deduced neutron skin thickness. Relevance to upcoming P2, MOLLER, MREX, and CREX experiments for resolution of disagreements in results.
doi: 10.1103/PhysRevC.105.055503
2022VO02 Phys.Rev. C 105, 014621 (2022) M.Vorabbi, M.Gennari, P.Finelli, C.Giusti, P.Navratil, R.Machleidt Elastic proton scattering off nonzero spin nuclei NUCLEAR REACTIONS 6,7Li, 13C(polarized p, p), E=200 MeV; 10B(polarized p, p), E=197 MeV; 1H(9C, p), E=290 MeV; calculated σ(θ) and analyzing powers Ay(θ) using microscopic optical potential (OP) and chiral theories for the nucleon-nucleon (NN) interaction, extended to include the spin of the target nucleus. Comparison with experimental data.
doi: 10.1103/PhysRevC.105.014621
2021HO15 Phys.Lett. B 822, 136710 (2021) M.Holl, R.Kanungo, Z.H.Sun, G.Hagen, J.A.Lay, A.M.Moro, P.Navratil, T.Papenbrock, M.Alcorta, D.Connolly, B.Davids, A.Diaz Varela, M.Gennari, G.Hackman, J.Henderson, S.Ishimoto, A.I.Kilic, R.Krucken, A.Lennarz, J.Liang, J.Measures, W.Mittig, O.Paetkau, A.Psaltis, S.Quaglioni, J.S.Randhawa, J.Smallcombe, I.J.Thompson, M.Vorabbi, M.Williams Proton inelastic scattering reveals deformation in 8He NUCLEAR REACTIONS 1H(8He, p), E=8.25 MeV/nucleon; measured reaction products, Ep, Ip. 8He; deduced σ(θ), resonance parameters, first 2+ state, quadrupole deformation parameter. Comparison with no-core shell model predictions. Charged particle spectroscopy station IRIS at TRIUMF in Canada.
doi: 10.1016/j.physletb.2021.136710
2021VO03 Phys.Rev. C 103, 024604 (2021) M.Vorabbi, M.Gennari, P.Finelli, C.Giusti, P.Navratil, R.Machleidt Impact of three-body forces on elastic nucleon-nucleus scattering observables NUCLEAR REACTIONS 12C(polarized p, p), E=122, 160, 200, 300 MeV; 16O(p, p), (polarized p, p), E=100, 135, 200, 318 MeV; 12C(n, n), E=108, 128, 155, 185, 225 MeV; calculated differential σ(E, θ), and analyzing power Ay(Ε, θ) using nonrelativistic optical model potentials obtained from the no-core shell model densities using two- and three-nucleon chiral interactions; deduced that contribution of the 3N force in the tNN matrix is small for the differential cross section and sizable for the spin observables such as analyzing power. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.024604
2020AR13 Phys.Rev.Lett. 125, 182501 (2020) P.Arthuis, C.Barbieri, M.Vorabbi, P.Finelli Ab Initio Computation of Charge Densities for Sn and Xe Isotopes NUCLEAR STRUCTURE 100,132Sn, 132,136,138Xe; calculated charge density distributions, neutron skins using self-consistent Green's function theory. Comparison with available data.
doi: 10.1103/PhysRevLett.125.182501
2020VO04 Phys.Rev.Lett. 124, 162501 (2020) M.Vorabbi, M.Gennari, P.Finelli, C.Giusti, P.Navratil Elastic Antiproton-Nucleus Scattering from Chiral Forces
doi: 10.1103/PhysRevLett.124.162501
2019VO06 Phys.Rev. C 100, 024304 (2019) M.Vorabbi, P.Navratil, S.Quaglioni, G.Hupin 7Be and 7Li nuclei within the no-core shell model with continuum NUCLEAR STRUCTURE 7Be, 7Li; calculated levels, resonances, J, π, cluster form factors of ground states, widths, phase shifts of 3He+4He and 6Li+p scattering for 7Be, and 3H+4He, 6Li+n, and 6He+p for 7Li. No-core shell model with continuum. Comparison with experimental data. Relevance to primordial nucleosynthesis, nuclear astrophysics, and fusion energy generation.
doi: 10.1103/PhysRevC.100.024304
2018GE01 Phys.Rev. C 97, 034619 (2018) M.Gennari, M.Vorabbi, A.Calci, P.Navratil Microscopic optical potentials derived from ab initio translationally invariant nonlocal one-body densities NUCLEAR STRUCTURE 4,6,8He, 12C, 16O; calculated ground-state local and nonlocal neutron and proton densities using relativistic mean-field for spherical nuclei, and NN-N4LO(500)+3Nlnl interaction. Calculated densities applied to optical potential construction for analysis of elastic scattering reactions. NUCLEAR REACTIONS 4He(p, p), (polarized p, p), E=72, 156, 200 MeV; 1H(6He, p), (8He, p), E=71, 200 MeV, and polarized proton targets; 12C(p, p), (polarized p, p), E=122, 160, 200 MeV; 16O(p, p), (polarized p, p), E=100, 135, 200 MeV; calculated differential σ(θ, E), analyzing powers Ay from translational invariant (trinv) local and nonlocal densities, and from center of mass (COM) contaminated density (wiCOM) and trinv nonlocal densities. Microscopic optical potentials with chiral NN-N4LO(500) interactions as the only input. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.034619
2018VO02 Phys.Rev. C 97, 034314 (2018) M.Vorabbi, A.Calci, P.Navratil, M.K.G.Kruse, S.Quaglioni, G.Hupin Structure of the exotic 9He nucleus from the no-core shell model with continuum NUCLEAR STRUCTURE 9He; calculated n+8He continuum by ab initio no-core shell model with continuum (NCSMC) formalism and chiral nucleon-nucleon interactions at N4LO; deduced unbound character of 9He, and two resonant states, J, π. Comparison with structure of 10Li and 11B. 4,6,8He; calculated ground-state energies by NCSM using the SRG-evolved N4LO nucleon-nucleon potential. Comparison with available experimental data.
doi: 10.1103/PhysRevC.97.034314
2018VO16 Phys.Rev. C 98, 064602 (2018) M.Vorabbi, P.Finelli, C.Giusti Proton-nucleus elastic scattering: Comparison between phenomenological and microscopic optical potentials NUCLEAR REACTIONS 16O, 40,42,44,48Ca(p, p), (polarized p, p), E=200, 318 MeV; 58Ni(p, p), (polarized p, p), E=192, 295, 333 MeV; 60Ni(p, p), (polarized p, p), E=178 MeV; 62Ni(p, p), E=156 MeV; 116,118,120,122,124Sn(p, p), (polarized p, p), E=295 MeV; 120Sn, 208Pb(p, p), (polarized p, p), E=200 MeV; 204,206,208Pb(p, p), E=295 MeV; 56Ni(p, p), E(cm)=400 MeV/nucleon; calculated differential σ(θ) relative to Rutherford σ, and analyzing power Ay using nonrelativistic optical model potentials, and compared with experimental data.
doi: 10.1103/PhysRevC.98.064602
2017VO09 Phys.Rev. C 96, 044001 (2017) M.Vorabbi, P.Finelli, C.Giusti Optical potentials derived from nucleon-nucleon chiral potentials at N4 LO NUCLEAR REACTIONS 12C, 16O, 40Ca(p, p), (polarized p, p), E=200 MeV; calculated pp and np Wolfenstein amplitudes, cross sections, analyzing powers, and spin rotations; deduced Optical potentials using use NN chiral potentials at fifth order (N4LO). Comparison with experimental data.
doi: 10.1103/PhysRevC.96.044001
2016VO02 Phys.Rev. C 93, 034619 (2016) M.Vorabbi, P.Finelli, C.Giusti Theoretical optical potential derived from nucleon-nucleon chiral potentials NUCLEAR REACTIONS 16O(p, p), (polarized p, p), E=100, 200, 450-600 MeV; calculated real and imaginary parts of pp and pn Wolfenstein amplitudes using two different chiral potentials (EM and EGM), σ(θ) and analyzing powers Ay(θ); deduced new microscopic optical potential for elastic proton-nucleus scattering. Chiral perturbation theory. Comparison with experimental data.
doi: 10.1103/PhysRevC.93.034619
2014ME03 Phys.Rev. C 89, 034604 (2014) A.Meucci, M.Vorabbi, C.Giusti, F.D.Pacati, P.Finelli Elastic and quasi-elastic electron scattering on the N=14, 20, and 28 isotonic chains NUCLEAR REACTIONS 22,28O, 24,30Ne, 26,32,40Mg, 28,34,42Si, 30,36,44S, 32,38,46Ar, 34,40,42,44,48Ca, 42,48,50Ti, 44,50,52,54Cr, 46,54Fe, 56Ni(e, e), (e, e'), E=250, 850, 1080 MeV; calculated differential σ(θ) for elastic and quasi-elastic scattering, proton and neutron density distributions, parity-violating asymmetry parameter, differential RPWIA and RGF σ for (e, e') for selected isotones of N=14, 20 and 28. Distorted-wave Born approximation (DWBA) and relativistic Hartree-Bogoliubov (RHB) approach with density dependent meson-exchange interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.034604
2014ME12 Phys.Rev. C 90, 027301 (2014) A.Meucci, M.Vorabbi, C.Giusti, P.Finelli Neutron density distribution and neutron skin thickness of 208Pb NUCLEAR STRUCTURE 208Pb; calculated neutron density distribution and neutron thickness using various nonrelativistic and relativistic mean-field models. Comparison with experimental data from (γ, π0) at Mainz, and parity-violating asymmetry parameter for elastic electron scattering and neutron thickeners data for PREX experiment at JLab.
doi: 10.1103/PhysRevC.90.027301
2013ME06 Phys.Rev. C 87, 054620 (2013) A.Meucci, M.Vorabbi, C.Giusti, F.D.Pacati, P.Finelli Elastic and quasi-elastic electron scattering off nuclei with neutron excess NUCLEAR REACTIONS 14,16,18,20,22,24,26,28O(e, e), (e, e'), E=374.5, 850, 1080 MeV; 36,38,40,42,44,46,48,50,52,54,56Ca(e, e), (e, e'), E=496.8, 560, 850 MeV; 48Ca(e, e), E=2.2 GeV; calculated differential σ(θ, ω), differential RPWIA and RGF σ(ω), parity-violating asymmetry parameters for elastic and inelastic scattering. 208Pb(e, e), (e, e'), E=1.063 GeV; calculated weak charge density and asymmetry parameter compared with measurements by PREX Collaboration. Distorted-wave Born approximation approach with proton and neutron density distributions from relativistic Dirac-Hartree model. Comparison with experimental data. NUCLEAR STRUCTURE 14,16,18,20,22,24,26,28O, 36,38,40,42,44,46,48,50,52,54,56Ca; evaluated neutron and proton distributions using relativistic Dirac-Hartree model.
doi: 10.1103/PhysRevC.87.054620
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