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NSR database version of May 24, 2024.

Search: Author = A.Meucci

Found 26 matches.

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2016IV03      Phys.Rev. C 94, 014608 (2016)

M.V.Ivanov, J.R.Vignote, R.Alvarez-Rodriguez, A.Meucci, C.Giusti, J.M.Udias

Global relativistic folding optical potential and the relativistic Green's function model

NUCLEAR REACTIONS 12C(p, p), E=20-1040 MeV; analyzed σ(θ, E) data using global relativistic folding optical potential (GRFOP) fits; deduced differential cross sections, analyzing powers, and the spin rotation parameter. 12C(e, e), E=150-747 MeV; 12C(ν, μ-), (ν-bar, μ-), E=3-100 GeV muon neutrinos; 12C(ν, ν), (ν-bar, ν-bar), E=0.2-2.5 GeV; analyzed σ(E) and σ(θ) data from MiniBooNE collaboration using new GRFOP potential within the relativistic Green's function model.

doi: 10.1103/PhysRevC.94.014608
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2015AN10      Phys.Rev. C 92, 025501 (2015)

A.M.Ankowski, M.B.Barbaro, O.Benhar, J.A.Caballero, C.Giusti, R.Gonzalez-Jimenez, G.D.Megias, A.Meucci

Estimate of the theoretical uncertainty of the cross sections for nucleon knockout in neutral-current neutrino-oxygen interactions

NUCLEAR REACTIONS 16O(ν, ν')n, (ν, ν')p, (ν-bar, ν'-bar)n, (ν-bar, ν'-bar)p, E<2.0 GeV; calculated σ(E) for neutron and proton knockouts induced by neutral-current (NC) quasielastic (QE) scattering of atmospheric neutrinos and antineutrinos using relativistic plane-wave impulse approximation (RPWIA), relativistic mean-field (RMF), relativistic Green's function (RGF), and superscaling (SuSA) approaches and comparison with realistic nuclear spectral functions (SF). Relevance to ongoing and future experiments at the Super- and Hyper-Kamiokande including searches of diffuse supernova neutrinos (DSN) and sterile neutrinos in the beam of T2K experiment.

doi: 10.1103/PhysRevC.92.025501
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2015IV03      Phys.Rev. C 91, 034607 (2015)

M.V.Ivanov, A.N.Antonov, M.B.Barbaro, C.Giusti, A.Meucci, J.A.Caballero, R.Gonzalez-Jimenez, E.Moya de Guerra, J.M.Udias

Neutral current quasielastic (anti)neutrino scattering beyond the Fermi gas model at MiniBooNE and BNL kinematics

doi: 10.1103/PhysRevC.91.034607
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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
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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
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2013GO13      Phys.Rev. C 88, 025502 (2013)

R.Gonzalez-Jimenez, J.A.Caballero, A.Meucci, C.Giusti, M.B.Barbaro, M.V.Ivanov, J.M.Udias

Relativistic description of final-state interactions in neutral-current neutrino and antineutrino cross sections

doi: 10.1103/PhysRevC.88.025502
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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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2012CO04      Phys.Rev. C 85, 024322 (2012)

G.Co, V.De Donno, P.Finelli, M.Grasso, M.Anguiano, A.M.Lallena, C.Giusti, A.Meucci, F.D.Pacati

Mean-field calculations of the ground states of exotic nuclei

NUCLEAR STRUCTURE 16,22,24,28O, 40,48,52,60Ca, 48,56,68,78Ni, 100,114,116,132Sn; calculated binding energies, single particle energies, rms charge radii, neutron skin thickness. Mean-field approach, nonrelativistic Hartree-Fock, relativistic Hartree calculations. Comparison with experimental data.

NUCLEAR REACTIONS 40,48,52,60Ca(e, e'p), (e, e), E=483.2 MeV; calculated reduced cross sections, elastic scattering cross sections, neutron, proton and matter distributions, Mean-field approach, nonrelativistic Hartree-Fock, relativistic Hartree calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.024322
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2012GI06      J.Phys.:Conf.Ser. 366, 012019 (2012)

C.Giusti, A.Meucci, F.D.Pacati, G.Co, V.De Donno

Electron-induced proton knockout from neutron rich nuclei

NUCLEAR REACTIONS 40,48,52,60Ca(e, e'p), E=483.2 MeV; calculated (reduced) σ vs missing momentum using RDWIA, DWIA-HF and DIWA-WS. Two lighter isotopes compared with published data.

doi: 10.1088/1742-6596/366/1/012019
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2011GI07      Phys.Rev. C 84, 024615 (2011)

C.Giusti, A.Meucci, F.D.Pacati, G.Co, V.De Donno

Quasifree (e, e' p) reactions on nuclei with neutron excess

NUCLEAR REACTIONS 16,22,24,28O, 40,48,52,60Ca(e, e'p), E at 0-300 MeV/c; calculated σ(E), rms radii, S(p), proton and neutron density functions, single-particle wave functions. Distorted wave impulse approximation calculations with nonrelativistic and relativistic models. Comparison with experimental data. Dependence on the neutron to proton asymmetry.

doi: 10.1103/PhysRevC.84.024615
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2011ME07      Phys.Rev. C 83, 064614 (2011)

A.Meucci, J.A.Caballero, C.Giusti, J.M.Udias

Relativistic descriptions of quasielastic charged-current neutrino-nucleus scattering: Application to scaling and superscaling ideas

NUCLEAR REACTIONS 12C(ν, μ-), E=1000, 1500, 2000 MeV for νμ; calculated inclusive quasielastic differential cross sections and scaling function using relativistic impulse approximation. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.064614
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2011ME14      Phys.Rev.Lett. 107, 172501 (2011)

A.Meucci, M.B.Barbaro, J.A.Caballero, C.Giusti, J.M.Udias

Relativistic Descriptions of Final-State Interactions in Charged-Current Quasielastic Neutrino-Nucleus Scattering at MiniBooNE Kinematics

doi: 10.1103/PhysRevLett.107.172501
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2009ME07      Phys.Rev. C 80, 024605 (2009)

A.Meucci, J.A.Caballero, C.Giusti, F.D.Pacati, J.M.Udias

Relativistic descriptions of inclusive quasielastic electron scattering: Application to scaling and superscaling ideas

NUCLEAR REACTIONS 12C(e, e'), E=620, 1000, 1299, 2020 MeV; calculated σ(θ), scaling functions using the relativistic impulse approximations. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.024605
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2009TA34      Phys.Rev. C 80, 064601 (2009)

T.Tamae, Y.Sato, T.Yokokawa, Y.Asano, M.Kawabata, O.Konno, I.Nakagawa, I.Nishikawa, K.Hirota, H.Yamazaki, R.Kimura, H.Miyase, H.Tsubota, C.Giusti, A.Meucci

Comparison of the 12C(e, e'p) cross section at low momentum transfer with a relativistic calculation

NUCLEAR REACTIONS 12C(e, e'p), E=197.5 MeV; measured Ep, Ip, σ, σ(θ), and reduced cross sections. Comparison with relativistic distorted-wave impulse approximation calculations and the 12C(γ, p) reaction.

doi: 10.1103/PhysRevC.80.064601
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2008ME03      Phys.Rev. C 77, 034606 (2008)

A.Meucci, C.Giusti, F.D.Pacati

Spin effects in quasi-elastic neutrino-nucleus reactions

NUCLEAR REACTIONS 12C(ν, n), (ν-bar, n), (ν, p), (ν-bar, p), (ν, ν), (ν-bar, ν-bar), E=500, 700, 1000, 2000 MeV; calculated polarization asymmetry. Relativistic DWIA calculation.

doi: 10.1103/PhysRevC.77.034606
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2006ME17      Nucl.Phys. A773, 250 (2006)

A.Meucci, C.Giusti, F.D.Pacati

Neutrino-nucleus quasi-elastic scattering and strange quark effects

NUCLEAR REACTIONS 12C(ν, ν'p), (ν, ν'n), (ν-bar, ν-bar'p), (ν-bar, ν-bar'n), E=500, 1000 MeV; calculated quasielastic scattering σ(En), σ(Ep), final state interaction, strange-quark contribution and nuclear structure effects. Relativistic DWIA model, comparison with data.

doi: 10.1016/j.nuclphysa.2006.05.005
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2006ME24      Acta Phys.Pol. B37, 2279 (2006)

A.Meucci, C.Giusti, F.D.Pacati

Relativistic approach to quasi-elastic neutrino-nucleus scattering

NUCLEAR REACTIONS 12C(ν, ν'p), (ν, ν'n), E=500 MeV; calculated En, Ep, σ(E), final state interaction effects, strangeness contribution.

2005ME10      Nucl.Phys. A756, 359 (2005)

A.Meucci, C.Giusti, F.D.Pacati

Relativistic Green's function approach to parity-violating quasielastic electron scattering

NUCLEAR REACTIONS 12C, 16O, 40Ca(e, e'), E=high; calculated response functions, parity-violating asymmetry, strange quark contribution. Relativistic Green's function approach.

doi: 10.1016/j.nuclphysa.2005.04.007
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2004ME12      Nucl.Phys. A739, 277 (2004)

A.Meucci, C.Giusti, F.D.Pacati

Relativistic Green's function approach to charged-current neutrino-nucleus quasielastic scattering

NUCLEAR REACTIONS 16O(ν, μ-), E200-1000 MeV; calculated σ, σ(θ). 12C(ν, μ+), E not given; calculated muon spectrum. Relativistic Green's function approach, comparison with data.

doi: 10.1016/j.nuclphysa.2004.04.108
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2004ME18      Nucl.Phys. A744, 307 (2004)

A.Meucci, C.Giusti, F.D.Pacati

Neutral-current neutrino-nucleus quasielastic scattering

NUCLEAR REACTIONS 12C(ν, ν'p), (ν, ν'n), E=500, 700, 1000 MeV; calculated quasielastic scattering σ(En), σ(Ep), σ(Q2), final state interaction and nuclear structure effects. Comparison with data.

doi: 10.1016/j.nuclphysa.2004.08.023
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2003ME09      Phys.Rev. C 67, 054601 (2003)

A.Meucci, F.Capuzzi, C.Giusti, F.D.Pacati

Inclusive electron scattering in a relativistic Green's function approach

NUCLEAR REACTIONS 12C, 16O, 40Ca(e, e'), E=high; calculated σ, response functions vs momentum transfer. Green's function approach, comparison with data.

doi: 10.1103/PhysRevC.67.054601
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2003RA16      Eur.Phys.J. A 17, 65 (2003)

M.Radici, A.Meucci, W.H.Dickhoff

Spectroscopic information from different theoretical descriptions of (un)polarized (e, e'p) reactions

NUCLEAR REACTIONS 16O(e, e'p), (polarized e, e'p), E=high; analyzed σ(E, θ), polarization observables; deduced spectroscopic parameters. Two theoretical approaches considered.

doi: 10.1140/epja/i2002-10137-2
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2002ME11      Phys.Rev. C65, 044601 (2002)


Relativistic Calculation of Nuclear Transparency in (e, e'p) Reactions

NUCLEAR REACTIONS 12C, 16O, 28Si, 40Ca, 90Zr, 208Pb(e, e'p), E not given; calculated nuclear transparency vs momentum transfer. Relativistic DWIA model.

doi: 10.1103/PhysRevC.65.044601
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2002ME17      Phys.Rev. C66, 034610 (2002)

A.Meucci, C.Giusti, F.D.Pacati

Meson Exchange Currents in a Relativistic Model for Electromagnetic One Nucleon Emission

NUCLEAR REACTIONS 16O(γ, p), E=60-196 MeV; 12C(γ, p), E=58.4 MeV; 16O(γ, n), E=60 MeV; calculated σ(θ), photon asymmetry; deduced role of meson exchange currents. Relativistic model.

doi: 10.1103/PhysRevC.66.034610
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2001ME14      Phys.Rev. C64, 014604 (2001)

A.Meucci, C.Giusti, F.D.Pacati

Relativistic Corrections in (e, e'p) Knockout Reactions

NUCLEAR REACTIONS 16O(e, e'p), E=2000 MeV; calculated σ(E), structure functions vs proton energy, recoil momentum; deduced relativistic effects.

doi: 10.1103/PhysRevC.64.014604
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2001ME29      Phys.Rev. C64, 064615 (2001)

A.Meucci, C.Giusti, F.D.Pacati

Relativistic Corrections in (γ, N) Knockout Reactions

NUCLEAR REACTIONS 16O(γ, p), E=609-257 MeV; calculated σ(θ), photon asymmetry. 16O(γ, n), E=60-250 MeV; 12C(γ, p), E=58.4, 78.5 MeV; calculated σ(θ). Relativistic DWIA, comparison with data.

doi: 10.1103/PhysRevC.64.064615
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