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NSR database version of April 11, 2024.

Search: Author = M.Viviani

Found 143 matches.

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2024CO01      Phys.Rev. C 109, 014301 (2024)

L.Coraggio, N.Itaco, G.De Gregorio, A.Gargano, Z.H.Cheng, Y.Z.Ma, F.R.Xu, M.Viviani

The renormalization of the shell-model Gamow-Teller operator starting from effective field theory for nuclear systems

doi: 10.1103/PhysRevC.109.014301
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2024GN01      Phys.Rev. C 109, 035502 (2024)

A.Gnech, L.E.Marcucci, M.Viviani

Bayesian analysis of muon capture on the deuteron in chiral effective field theory

doi: 10.1103/PhysRevC.109.035502
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2024KI04      Phys.Rev. C 109, 034006 (2024)

A.Kievsky, E.Garrido, M.Viviani, L.E.Marcucci, L.Serksnyte, R.Del Grande

nnn and ppp correlation functions

doi: 10.1103/PhysRevC.109.034006
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2024KI06      Few-Body Systems 65, 23 (2024)

A.Kievsky, E.Garrido, M.Viviani, M.Gattobigio

The ppp Correlation Function with a Screened Coulomb Potential

doi: 10.1007/s00601-024-01893-6
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2023GI08      Phys.Rev. C 107, L061001 (2023)

L.Girlanda, E.Filandri, A.Kievsky, L.E.Marcucci, M.Viviani

Effect of the N3LO three-nucleon contact interaction on p-d scattering observables

NUCLEAR REACTIONS 1H(d, d), 2H(p, p), E(cm)=2 MeV; calculated proton and deuteron analyzing power, tensor observables, σ(θ). Chiral effective field theory with AV18 2N potential. Expression of short-range component in terms of five combinations of low-energy constants (LECs) parameterizing the N3LO 2N contact Lagrangian. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.L061001
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2023TU05      Commun. Phys. 6, 106 (2023)

A.Tumino, G.G.Rapisarda, M.La Cognata, A.Oliva, A.Kievsky, C.A.Bertulani, G.D'Agata, M.Gattobigio, G.L.Guardo, L.Lamia, D.Lattuada, R.G.Pizzone, S.Romano, M.L.Sergi, R.Sparta, M.Viviani

Coulomb-free 1So p - p scattering length from the quasi-freep p + d → p + p + n reaction and its relation to universality

NUCLEAR REACTIONS 2H(p, 2p), E(cm)<1 MeV; analyzed available data; deduced p-p scattering σ, σ(θ), scattering length and effective range from a Bayesian approach analysis.

doi: 10.1038/s42005-023-01221-0
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2023VI02      Phys.Rev.Lett. 130, 122501 (2023)

M.Viviani, L.Girlanda, A.Kievsky, D.Logoteta, L.E.Marcucci

Theoretical Study of the d(d, p)3H and d(d, n)3H Processes at Low Energies

NUCLEAR REACTIONS 2H(d, p), (d, n), E(cm)<1 MeV; analyzed available data; deduced astrophysical S factor, the quintet suppression factor, single and double polarized observables, first estimate of the theoretical uncertainty for all these quantities.

doi: 10.1103/PhysRevLett.130.122501
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2023VI05      Phys.Rev. C 108, 064002 (2023)

M.Viviani, S.Konig, A.Kievsky, L.E.Marcucci, B.Singh, O.Vazquez Doce

Role of three-body dynamics in nucleon-deuteron correlation functions

doi: 10.1103/PhysRevC.108.064002
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2022GU20      Phys.Rev.Lett. 129, 242503 (2022)

V.Guzey, M.Rinaldi, S.Scopetta, M.Strikman, M.Viviani

Coherent J/γ Electroproduction on 4He and 3He at the Electron-Ion Collider: Probing Nuclear Shadowing One Nucleon at a Time

doi: 10.1103/PhysRevLett.129.242503
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2022VI01      Phys.Rev. C 105, 014001 (2022)

M.Viviani, E.Filandri, L.Girlanda, C.Gustavino, A.Kievsky, L.E.Marcucci, R.Schiavilla

X17 boson and the3H(p, e+e-)4He and 3He(n, e+e-4He processes: A theoretical analysis

NUCLEAR REACTIONS 3H(p, γ)4He, E(cm)<0.85 MeV; 3He(n, γ)4He, E(cm)<2 MeV; calculated astrophysical S factor, total σ(E) using Δ-less (N3LO500/N2LO500) and Δ-full (NVIa/3NIa) χEFT formalism, and compared with experimental data. 3H(p, e-e+)4He, E=0.90 MeV; calculated five-fold differential σ(E, θ) as function of the electron energy using N3LO500/N2LO500 interactions in the ATOMKI setup. 3H(p, e-e+)4He, E=0.40, 0.90 MeV; 3He(n, e-e+)4He, E=0.17, 0.35, 0.70, 2.0 MeV; calculated four-fold differential σ(E, θ) based on the N3LO500/N2LO500 interactions, including results obtained from the exchange of a scalar, pseudoscalar, vector, and axial X17 boson, and compared with differential σ data for 3H(p, e-e+)4He, E=0.51, MeV reaction from ATOMKI (reported by 2021Kr08: Phys. Rev. C 104, 044003). 3H(p, p)(p, p'), E=0.9 MeV; calculated reduced matrix elements (RMEs) for channels with J≤2, dependences on the three-momentum transfer and proton incident energy of electromagnetic RMEs using N3LO500/N2LO500 or NVIa/3NIa chiral interactions. 3He(n, e-e+)4He, 3He(n, γ)4He, E=0.17, 0.35, 0.70, 1.00, 2.00, 3.50 MeV; calculated total σ(E) using the N3LO500/N2LO500 and NVIa/3NIa Hamiltonians; deduced X17 coupling constants from the fit of the 2019 ATOMKI angular distribution data for 3H(p, e+e-)4He, E=0.90 MeV. Relevance to possible future experiments probing e+ - e- pair production in a four-nucleon system such as 4He at a number of candidate facilities.

doi: 10.1103/PhysRevC.105.014001
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2021GN01      Phys.Rev. C 104, 035501 (2021)

A.Gnech, L.E.Marcucci, R.Schiavilla, M.Viviani

Comparative study of 6He β-decay based on different similarity-renormalization-group evolved chiral interactions

RADIOACTIVITY 3H, 6He(β-); calculated Gamow-Teller reduced matrix element (RMEs) using the similarity renormalization group (SRG) versions of momentum- and configuration-space two-nucleon interactions N2LO450 and NV2-Ia deduced from chiral effective field theory (χEFT), with and without the explicit inclusion of Δ isobars, contributions of two-body currents such as N3LO(OPE), transition densities; deduced that N3LO(OPE) contribution is opposite in sign for the SRG-evolved N2LO450 and NV2-Ia interactions.

NUCLEAR STRUCTURE 6He, 6Li; calculated binding energies using the similarity renormalization group (SRG) versions of momentum- and configuration-space

doi: 10.1103/PhysRevC.104.035501
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2021HI04      Phys.Rev. C 103, 024004 (2021)

M.D.Higgins, C.H.Greene, A.Kievsky, M.Viviani

Comprehensive study of the three- and four-neutron systems at low energies

NUCLEAR STRUCTURE 3,4n; calculated adiabatic hyperspherical potential curves for Jπ=3/2- for the 3n system and Jπ=0+ for the 4n system, phase shifts and eigenshifts using explicitly correlated Gaussian (CGHS) and the hyperspherical harmonic (HH) bases, multichannel analysis of the three-and four-neutron scattering near the scattering continuum threshold; deduced no evidence of a 4n-resonance at low energy. Discussed experimental result of possible 4n resonance by 2016Ki01 in 4He(8He, 4n8Be) reaction.

doi: 10.1103/PhysRevC.103.024004
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2021SC12      Phys.Rev. C 103, 054003 (2021)

R.Schiavilla, L.Girlanda, A.Gnech, A.Kievsky, A.Lovato, L.E.Marcucci, M.Piarulli, M.Viviani

Two- and three-nucleon contact interactions and ground-state energies of light- and medium-mass nuclei

NUCLEAR STRUCTURE 3H, 3,4,6He, 6Li, 16O, 40,48Ca, 90Zr; calculated binding energies in the EFT formalism with the construction of 2N contact local interactions at LO, NLO, and N3LO in configuration space, with deuteron properties determined from analysis of np and pp scattering data. Comparison with experimental data.

NUCLEAR REACTIONS 1H(n, n), (p, p), E=1-25 MeV; analyzed experimental scattering data; deduced scattering lengths, effective radii and phase shifts, deuteron S-wave radial functions at LO and deuteron S- and D-wave radial functions in the EFT formalism.

doi: 10.1103/PhysRevC.103.054003
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2020DE41      Phys.Rev. C 102, 064001 (2020)

A.Deltuva, M.Gattobigio, A.Kievsky, M.Viviani

Gaussian characterization of the unitary window for N = 3: bound, scattering, and virtual states

doi: 10.1103/PhysRevC.102.064001
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2020FU07      Phys.Rev. C 102, 065205 (2020)

S.Fucini, S.Scopetta, M.Viviani

Incoherent deeply virtual Compton scattering off 4He

NUCLEAR REACTIONS 4He(e-, e-'p'γ), Q2<5 GeV2; calculated cross sections for the electromagnetic Bethe-Heitler (BH), and nuclear deeply virtual incoherent Compton scattering (DVCS) processes on the free proton and on a proton bound in 4He, beam-spin asymmetry (BSA) as function of azimuthal angle, azimuthal beam-spin asymmetry for the proton in 4He. Calculations based on impulse approximation (IA) analysis, based on state-of-the-art models for the proton and nuclear structure. Comparison with experimental data from CLAS collaboration at the Jefferson Laboratory.

doi: 10.1103/PhysRevC.102.065205
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2020GI08      Phys.Rev. C 102, 064003 (2020)

L.Girlanda, A.Kievsky, L.E.Marcucci, M.Viviani

Unitary ambiguity of NN contact interactions and the 3N force

doi: 10.1103/PhysRevC.102.064003
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2020GN01      Phys.Rev. C 101, 024004 (2020)

A.Gnech, M.Viviani

Time-reversal violation in light nuclei

NUCLEAR STRUCTURE 2,3H, 3He; calculated electric dipole moments (EDM) by deriving the time-reversal violation (TRV) nucleon-nucleon (NN) and three-nucleon (NNN) potential up to next-to-next leading order (N2LO) in a chiral effective field theory (χEFT) framework. Comparison with other theoretical calculations.

doi: 10.1103/PhysRevC.101.024004
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2020GN02      Phys.Rev. C 102, 014001 (2020)

A.Gnech, M.Viviani, L.E.Marcucci

Calculation of the 6Li ground state within the hyperspherical harmonic basis

NUCLEAR STRUCTURE 6Li; calculated ground state binding energy, charge radius, magnetic dipole moment, electric quadrupole moment, asymptotic normalization coefficients (ANCs), matrix elements relevant for direct dark matter search, mean values of the proton and neutron spin operators using the hyperspherical harmonic (HH) approach with two-body nuclear forces. Comparison with other theoretical predictions.

doi: 10.1103/PhysRevC.102.014001
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2020HI09      Phys.Rev.Lett. 125, 052501 (2020)

M.D.Higgins, C.H.Greene, A.Kievsky, M.Viviani

Nonresonant Density of States Enhancement at Low Energies for Three or Four Neutrons

NUCLEAR STRUCTURE 3,4NN; calculated hyperspherical potential curves, rescaled Wigner-Smith time delays, low energy enhancement of the density of states.

doi: 10.1103/PhysRevLett.125.052501
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2020VI07      Phys.Rev. C 102, 034007 (2020)

M.Viviani, L.Girlanda, A.Kievsky, L.E.Marcucci

n + 3H, p + 3He, p + 3H and n + 3He scattering with the hyperspherical harmonic method

NUCLEAR REACTIONS 3H(n, X), E<10 MeV; calculated total σ(E). 3He(p, p), E=2-6 MeV; calculated phase shifts. 3He(p, p), (polarized p, p), E=2.25, 4.05, 5.54 MeV; calculated differential σ(θ, E), analyzing powers Ay(θ, E), spin polarization coefficients. 3H(p, p), (p, n), E(cm)<3.5 MeV; calculated phase shifts as function of the center-of-mass kinetic energy, energies and widths of resonances. 3H(p, p), (polarized p, p), E=0.4, 0.6, 1.16, 2.0, 3.0, 4.17 MeV; 3H(n, n), (polarized n, n), E=1, 2, 3.5 MeV; 3H(p, n), (polarized p, n), E=2.5, 3.5, 4.15 MeV; calculated differential σ(θ, E), analyzing powers, and relevant model parameters. Hyperspherical harmonic (HH) method with nuclear Hamiltonians of two- and three-nucleon NN N3LO and 3N N2LO interactions. Comparison with experimental data. Application of HH method to the 4N scattering problem.

doi: 10.1103/PhysRevC.102.034007
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2019GA25      Phys.Rev. C 100, 034004 (2019)

M.Gattobigio, A.Kievsky, M.Viviani

Embedding nuclear physics inside the unitary-limit window

NUCLEAR STRUCTURE 6He, 6Li, 3H, 3,4He; calculated energies of ground- and excited states, Efimov plot for N=2, 3, 4 and 6 particles, s-wave scattering lengths, spectra of A=2, 3, 4, and 6 nuclei in the region between the unitary limit and the point where the scattering lengths get their physical values.Gaussian potential model with variable strength.

doi: 10.1103/PhysRevC.100.034004
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2019GI08      Phys.Rev. C 99, 054003 (2019)

L.Girlanda, A.Kievsky, M.Viviani, L.E.Marcucci

Short-range three-nucleon interaction from A = 3 data and its hierarchical structure

NUCLEAR REACTIONS 2H(p, p), E=0.647, 1.0, 2.0, 2.5, 3.0 MeV; analyzed experimental data for differential σ(θ, E), Ay(θ, E), iT11(θ, E), T20(θ, E) and T21(θ, E) polarization observables using a hybrid phenomenological approach; deduced accurate models of the three-nucleon (3N) interaction by fitting the low-energy constants (LECs) to the triton binding energy, n-d scattering lengths, cross sections, and polarization observables of p-d scattering.

doi: 10.1103/PhysRevC.99.054003
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2019MA22      Phys.Rev. C 99, 034003 (2019)

L.E.Marcucci, F.Sammarruca, M.Viviani, R.Machleidt

Momentum distributions and short-range correlations in the deuteron and 3He with modern chiral potentials

NUCLEAR STRUCTURE 2H, 3He; calculated single neutron and proton, neutron-proton, and proton-proton momentum distributions, short-range correlation probabilities using two-nucleon (2N) and 2N+3N chiral potentials (LO, NLO, N2LO, N3LO, N4LO) with and without leading chiral three-nucleon force; deduced model dependence of one- and two-body momentum distributions and the impact of three body forces. Comparison with previous theoretical predictions.

doi: 10.1103/PhysRevC.99.034003
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2019SC07      Phys.Rev. C 99, 034005 (2019)

R.Schiavilla, A.Baroni, S.Pastore, M.Piarulli, L.Girlanda, A.Kievsky, A.Lovato, L.E.Marcucci, StevenC.Pieper, M.Viviani, R.B.Wiringa

Local chiral interactions and magnetic structure of few-nucleon systems

NUCLEAR STRUCTURE 2,3H, 3He; calculated magnetic form factors, and contributions to the isoscalar and isovector combinations of the trinucleon magnetic moments using chiral interactions. Comparison with experimental data.

NUCLEAR REACTIONS 2H(γ, n), E=2-29 MeV; 2H(e, n), E=0-3 MeV; calculated deuteron photodisintegration cross sections, deuteron threshold electrodisintegration cross sections at backward angles using chiral two-, and three-nucleon interactions including Δ intermediate states for LO, NLO, N2LO, and N3LO models. Comparison with experimental data.

doi: 10.1103/PhysRevC.99.034005
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2018BA37      Phys.Rev. C 98, 044003 (2018)

A.Baroni, R.Schiavilla, L.E.Marcucci, L.Girlanda, A.Kievsky, A.Lovato, S.Pastore, M.Piarulli, S.Pieper, M.Viviani, R.B.Wiringa

Local chiral interactions, the tritium Gamow-Teller matrix element, and the three-nucleon contact term

RADIOACTIVITY 3H(β-); calculated Gamow-Teller matrix element, and low energy constants in the contact three-nucleon interaction within the chiral two- and three nucleon interactions including Δ intermediate states, contributions due to loop corrections in the axial current at next-to-next-to-next-to-next-to-leading order (N4LO). Comparison with experimental values.

doi: 10.1103/PhysRevC.98.044003
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2018FU12      Phys.Rev. C 98, 015203 (2018)

S.Fucini, S.Scopetta, M.Viviani

Coherent deeply virtual Compton scattering off 4He

NUCLEAR REACTIONS 4He(e, e'γ), Q2=1-2.5 GeV2; calculated generalized parton distribution, azimuthal beam-spin asymmetry, real and imaginary parts of the Compton form factors of coherent deeply virtual Compton scattering using impulse approximation with Argonne 18 nucleon-nucleon interaction; derived convolution formula for the nuclear generalized parton distribution (GPD). Comparison with experimental data from EG6 experiment at Jefferson Laboratory (Jlab).

doi: 10.1103/PhysRevC.98.015203
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2018KI09      Phys.Rev.Lett. 121, 072701 (2018)

A.Kievsky, M.Viviani, D.Logoteta, I.Bombaci, L.Girlanda

Correlations imposed by the unitary limit between few-nucleon systems, nuclear matter, and neutron stars

doi: 10.1103/PhysRevLett.121.072701
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2018PI01      Phys.Rev.Lett. 120, 052503 (2018)

M.Piarulli, A.Baroni, L.Girlanda, A.Kievsky, A.Lovato, E.Lusk, L.E.Marcucci, S.C.Pieper, R.Schiavilla, M.Viviani, R.B.Wiringa

Light-Nuclei Spectra from Chiral Dynamics

doi: 10.1103/PhysRevLett.120.052503
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2018VI01      Few-Body Systems 59, 73 (2018)

M.Viviani, L.Girlanda, A.Kievsky, L.E.Marcucci, J.Dohet-Eraly

Three-nucleon force effects in A=4 scattering

NUCLEAR REACTIONS 3H(p, X)4He, E<3 MeV; calculated phase shift, σ(θ). Comparison with available data.

doi: 10.1007/s00601-018-1379-6
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2017KI01      Phys.Rev. C 95, 024001 (2017)

A.Kievsky, M.Viviani, M.Gattobigio, L.Girlanda

Implications of Efimov physics for the description of three and four nucleons in chiral effective field theory

NUCLEAR STRUCTURE 3H, 4He; calculated binding energies as function of regulator β for different values of the potential range, and compared with results form SU(4) symmetry. Chiral effective field theory with the leading order (LO) nucleon-nucleon potential, and the one-pion-exchange potential (OPEP).

doi: 10.1103/PhysRevC.95.024001
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2017VI03      Phys.Rev. C 95, 034003 (2017)

M.Viviani, A.Deltuva, R.Lazauskas, A.C.Fonseca, A.Kievsky, L.E.Marcucci

Benchmark calculation of p - 3H and n-3He scattering

NUCLEAR REACTIONS 3H(polarized n, n), E=1.0, 2.0, 3.5 MeV; 3H(polarized p, p), 3H(polarized p, n)3He, E=2.5, 3.5, 4.15 MeV; calculated differential σ(E), neutron, proton and 3He analyzing powers, spin-correlation coefficient using N3LO500 potential. Calculations used three techniques for elastic and charge-exchange processes: Alt, Grassberger, Sandhas (AGS), hyperspherical harmonics (HH), and Faddeev-Yakubovsky (FY). Comparison with experimental data.

doi: 10.1103/PhysRevC.95.034003
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2017VI04      Few-Body Systems 58, 110 (2017)

M.Viviani, L.Girlanda, A.Kievsky, L.E.Marcucci

Three-Nucleon Force Effects in p-3H and n-3He Scattering

NUCLEAR REACTIONS 3H(p, p), 3He(n, n), E<5 MeV; analyzed available data; calculated σ(θ) using N3LO500 model.

doi: 10.1007/s00601-017-1264-8
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2016BA06      Phys.Rev. C 93, 015501 (2016); Erratum Phys.Rev. C 95, 059901 (2017)

A.Baroni, L.Girlanda, S.Pastore, R.Schiavilla, M.Viviani

Nuclear axial currents in chiral effective field theory

doi: 10.1103/PhysRevC.93.015501
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2016BA40      Phys.Rev. C 94, 024003 (2016); Erratum Phys.Rev. C 95, 059902 (2017)

A.Baroni, L.Girlanda, A.Kievsky, L.E.Marcucci, R.Schiavilla, M.Viviani

Tritium β decay in chiral effective field theory

RADIOACTIVITY 3H(β-); calculated Fermi and Gamow-Teller (GT) matrix elements by including in the charge-changing weak current corrections up to one in nuclear chiral effective field theory (χEFT), low-energy constants (LECs), one pion exchange (OPE) contributions.

doi: 10.1103/PhysRevC.94.024003
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2016MA09      J.Phys.(London) G43, 023002 (2016)

L.E.Marcucci, F.Gross, M.T.Pena, M.Piarulli, R.Schiavilla, I.Sick, A.Stadler, J.W.Van Orden, M.Viviani

Electromagnetic structure of few-nucleon ground states

NUCLEAR REACTIONS 2,3H, 3,4He(E, E), E not given; analyzed available data; deduced experimental form factors of the hydrogen and helium isotopes, extracted from an up-to-date global analysis of σ and polarization observables measured in elastic electron scattering from these systems.

doi: 10.1088/0954-3899/43/2/023002
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2016MA14      Phys.Rev.Lett. 116, 102501 (2016)

L.E.Marcucci, G.Mangano, A.Kievsky, M.Viviani

Implication of the Proton-Deuteron Radiative Capture for Big Bang Nucleosynthesis

NUCLEAR REACTIONS 2H(p, γ), E<1 MeV; calculated S-factor using ab initio approach. Comparison with available data.

doi: 10.1103/PhysRevLett.116.102501
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2016PI15      Phys.Rev. C 94, 054007 (2016)

M.Piarulli, L.Girlanda, R.Schiavilla, A.Kievsky, A.Lovato, L.E.Marcucci, StevenC.Pieper, M.Viviani, R.B.Wiringa

Local chiral potentials with Δ-intermediate states and the structure of light nuclei

NUCLEAR STRUCTURE 3H, 3,4,6He, 6Li; calculated ground- and excited-state energies, and proton rms radii using nonlocal nucleon-nucleon potentials in hyperspherical harmonics (HH), variational Monte Carlo (VMC), Green's function Monte Carlo (GFMC) approaches.

NUCLEAR REACTIONS 1H(p, p), (n, n), E=0-125, 0-200 MeV; analyzed Granada-2013 database of pp and np observables order by order in the chiral expansion up to N3LO and fitted to the deuteron binding energy and nn singlet scattering length; deduced nucleon-nucleon potentials, long-range included one- and two-pion exchange contributions without and with Δ isobars in the intermediate states up to order Q3 in the chiral expansion, while the short range consisted of contact interactions up to order Q4.

doi: 10.1103/PhysRevC.94.054007
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2014GA15      Phys.Rev. C 90, 014607 (2014)

E.Garrido, A.Kievsky, M.Viviani

Breakup of three particles within the adiabatic expansion method

doi: 10.1103/PhysRevC.90.014607
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2014SA57      Few-Body Systems 55, 693 (2014)

G.Salme, T.Frederico, M.Viviani

Solutions of the Bethe-Salpeter Equation in Minkowski Space: A Comparative Study

doi: 10.1007/s00601-014-0838-y
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2014VI02      Phys.Rev. C 89, 064004 (2014)

M.Viviani, A.Baroni, L.Girlanda, A.Kievsky, L.E.Marcucci, R.Schiavilla

Chiral effective field theory analysis of hadronic parity violation in few-nucleon systems

NUCLEAR REACTIONS 1H(polarized p, X), 1,2H(polarized n, X), 3He(polarized n, p)3H; analyzed parity-violating (PV) nucleon-nucleon potential up to next-to-next-to-leading (N2LO) order within a chiral effective field theory (χEFT) framework. Predictions for other PV observables. Discussed relevant ongoing and planned experiments at SNS facility of Oak Ridge National Laboratory.

doi: 10.1103/PhysRevC.89.064004
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2013MA37      Phys.Rev.Lett. 110, 192503 (2013)

L.E.Marcucci, R.Schiavilla, M.Viviani

Proton-Proton Weak Capture in Chiral Effective Field Theory

doi: 10.1103/PhysRevLett.110.192503
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2013PI01      Phys.Rev. C 87, 014006 (2013)

M.Piarulli, L.Girlanda, L.E.Marcucci, S.Pastore, R.Schiavilla, M.Viviani

Electromagnetic structure of A=2 and 3 nuclei in chiral effective field theory

NUCLEAR STRUCTURE 2H, 3H, 3He; calculated structure function, tensor polarization, charge, isoscalar and isovector magnetic and quadrupole form factors, low-energy constants (LEC). Chiral-effective-field-theory. Chiral or conventional two- and three-nucleon potentials and Monte Carlo methods.

doi: 10.1103/PhysRevC.87.014006
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2013VI05      Phys.Rev.Lett. 111, 172302 (2013)

M.Viviani, L.Girlanda, A.Kievsky, L.E.Marcucci

Effect of Three-Nucleon Interactions in p-3He Elastic Scattering

NUCLEAR REACTIONS 3He(p, p), E<6 MeV; calculated σ(θ), polarization. Three-nucleon interaction, comparison with experimental data.

doi: 10.1103/PhysRevLett.111.172302
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2012KI02      Phys.Rev. C 85, 014001 (2012)

A.Kievsky, M.Viviani, L.E.Marcucci

Theoretical description of three- and four-nucleon scattering states using bound-state-like wave functions

NUCLEAR REACTIONS 2H(n, n'), E=1, 2, 3 MeV; 3He(p, p'), E=3.13, 4.05, 5.54 MeV; calculated scattering matrix eigenvalues, state occupation probabilities, phase shifts, mixing parameters. Coupled-channel form of the integral relations derived from the Kohn variational principle. Comparison with other theoretical calculations.

doi: 10.1103/PhysRevC.85.014001
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2012MA01      Phys.Rev.Lett. 108, 052502 (2012)

L.E.Marcucci, A.Kievsky, S.Rosati, R.Schiavilla, M.Viviani

Chiral Effective Field Theory Predictions for Muon Capture on Deuteron and 3He

NUCLEAR REACTIONS 2H, 3He(μ-, ν), E not given; calculated muon capture rates; deduced a value of induced pseudoscalar form factor. Comparison with measurements and chiral perturbation theory.

doi: 10.1103/PhysRevLett.108.052502
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2011GA05      Phys.Rev. C 83, 024001 (2011)

M.Gattobigio, A.Kievsky, M.Viviani

Nonsymmetrized hyperspherical harmonic basis for an A-body system

doi: 10.1103/PhysRevC.83.024001
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2011GI01      Few-Body Systems 49, 51 (2011)

L.Girlanda, M.Viviani

Relativistic Covariance of the 2-Nucleon Contact Interactions

doi: 10.1007/s00601-010-0185-6
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2011GI04      Phys.Rev. C 84, 014001 (2011); Erratum Phys.Rev. C 102, 019903 (2020)

L.Girlanda, A.Kievsky, M.Viviani

Subleading contributions to the three-nucleon contact interaction

doi: 10.1103/PhysRevC.84.014001
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2011MA05      Phys.Rev. C 83, 014002 (2011)

L.E.Marcucci, M.Piarulli, M.Viviani, L.Girlanda, A.Kievsky, S.Rosati, R.Schiavilla

Muon capture on deuteron and 3He

NUCLEAR REACTIONS 2H(μ-, ν)2n, 3He(μ-, ν)3H; calculated binding energies of deuteron, triton and 3H, scattering lengths, magnetic moments, total and differential rates for muon capture using chiral effective field theory (EFT) with the two- and three-nucleon potentials AV18/UIX and N3LO/N2LO. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.014002
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2011PA22      Phys.Rev. C 84, 024001 (2011)

S.Pastore, L.Girlanda, R.Schiavilla, M.Viviani

Two-nucleon electromagnetic charge operator in chiral effective field theory (χEFT) up to one loop

doi: 10.1103/PhysRevC.84.024001
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2011RO58      J.Phys.:Conf.Ser. 312, 082036 (2011)

C.Romero-Redondo, E.Garrido, A.Kievsky, P.Barletta, M.Viviani

Multichannel reactions using the adiabatic expansion method

doi: 10.1088/1742-6596/312/4/082036
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2011TO06      Phys.Lett. B 702, 121 (2011)

W.Tornow, H.J.Karwowski, J.H.Kelley, R.Raut, G.Rusev, S.C.Stave, A.P.Tonchev, A.Deltuva, A.C.Fonseca, L.E.Marcucci, M.Viviani, A.Kievsky, J.Golak, R.Skibinski, H.Witala, R.Schiavilla

Two-body photodisintegration of 3He between 7 and 16 MeV

NUCLEAR REACTIONS 3He(γ, p), E=7-16 MeV; measured reaction products, Ep, Ip; deduced σ. Comparison with theoretical calculations and experimental data.

doi: 10.1016/j.physletb.2011.06.080
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0168.

2011VI06      Phys.Rev. C 84, 054010 (2011)

M.Viviani, A.Deltuva, R.Lazauskas, J.Carbonell, A.C.Fonseca, A.Kievsky, L.E.Marcucci, S.Rosati

Benchmark calculation of n-3H and p-3He scattering

NUCLEAR REACTIONS 3He(p, p), E=2.25, 4.05, 5.54 MeV; 3H(n, n), E=1.0, 2.0, 3.5, 6.0 MeV; analyzed phase shifts, mixing parameters, total cross sections, differential σ(θ), neutron and triton analyzing powers using AGS, HS, and FY methods with I-N3LO, Argonne v18, CD Bonn interactions for four-nucleon problem.

doi: 10.1103/PhysRevC.84.054010
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2010GI01      Phys.Rev. C 81, 034005 (2010)

L.Girlanda, S.Pastore, R.Schiavilla, M.Viviani

Relativity constraints on the two-nucleon contact interaction

doi: 10.1103/PhysRevC.81.034005
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2010GI10      Phys.Rev.Lett. 105, 232502 (2010)

L.Girlanda, A.Kievsky, L.E.Marcucci, S.Pastore, R.Schiavilla, M.Viviani

Thermal Neutron Captures on d and 3He

NUCLEAR REACTIONS 2H, 3He(n, γ), E=thermal; calculated wave functions, σ. Comparison with experimental data.

doi: 10.1103/PhysRevLett.105.232502
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2010KI04      Phys.Rev. C 81, 034002 (2010)

A.Kievsky, M.Viviani, P.Barletta, C.Romero-Redondo, E.Garrido

Variational description of continuum states in terms of integral relations

NUCLEAR STRUCTURE 3H, 3He; calculated n-d, p-d doublet and quartet scattering lengths, convergence of bound states as a function of the number of Laguerre polynomials and effective range functions in the formalism of Kohn Variational Principle (KVP).

doi: 10.1103/PhysRevC.81.034002
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2010KI05      Phys.Rev. C 81, 044003 (2010)

A.Kievsky, M.Viviani, L.Girlanda, L.E.Marcucci

Comparative study of three-nucleon force models in A=3, 4 systems

NUCLEAR STRUCTURE 3H, 4He; calculated binding energies, n-d doublet scattering length, and triton kinetic energy using AV18+TM', AV18+URIX, and AV18+N2LOL potentials. Three nucleon-force models.

NUCLEAR REACTIONS 2H(polarized p, p), E=3 MeV; calculated σ(θ), A(y)(θ), iT11(θ), T20(θ), T21(θ), and T22(θ) using the AV18+TM', AV18+URIX, and AV18+N2LOL models. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.044003
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2010RO25      Nucl.Phys. A834, 799c (2010)

C.Romero-Redondo, E.Garrido, P.Barletta, A.Kievsky, M.Viviani

Accurate calculation of phase shifts for three-body reactions with the adiabatic expansion method

doi: 10.1016/j.nuclphysa.2010.01.150
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2010VI06      Phys.Rev. C 82, 044001 (2010)

M.Viviani, R.Schiavilla, L.Girlanda, A.Kievsky, L.E.Marcucci

Parity-violating asymmetry in the 3He(n(pol), p)3H reaction

NUCLEAR REACTIONS 3He(polarized n, p)3H, E AP 0; calculated parity-violating R-and T-matrix elements using the meson-exchange DDH or pionless effective-field-theory (EFT) model for the weak-interaction potential.

doi: 10.1103/PhysRevC.82.044001
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2009MA53      Phys.Rev. C 80, 034003 (2009)

L.E.Marcucci, A.Kievsky, L.Girlanda, S.Rosati, M.Viviani

N-d elastic scattering using the hyperspherical harmonics approach with realistic local and nonlocal interactions

NUCLEAR REACTIONS 2H(n, n), (p, p), (polarized n, n), (polarized p, p), E(cm)=0.266-2.0 MeV; calculated scattering lengths, differential σ, σ(θ), vector and tensor analyzing powers using hyperspherical harmonic (HH) approach and two- and three-nucleon interactions (Argonne v18, N3LO-Idaho, Vlow-k, Urbana IX, N2LO). Comparisons with experimental data.

doi: 10.1103/PhysRevC.80.034003
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2009PA34      Phys.Rev. C 80, 034004 (2009)

S.Pastore, L.Girlanda, R.Schiavilla, M.Viviani, R.B.Wiringa

Electromagnetic currents and magnetic moments in chiral effective field theory χEFT)

doi: 10.1103/PhysRevC.80.034004
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2008KI08      J.Phys.(London) G35, 063101 (2008)

A.Kievsky, S.Rosati, M.Viviani, L.E.Marcucci, L.Girlanda

A high-precision variational approach to three- and four-nucleon bound and zero-energy scattering states

doi: 10.1088/0954-3899/35/6/063101
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2008SC14      Phys.Rev. C 78, 014002 (2008); Erratum Phys.Rev. C 83, 029902 (2011)

R.Schiavilla, M.Viviani, L.Girlanda, A.Kievsky, L.E.Marcucci

Neutron spin rotation in n(pol)-d scattering

doi: 10.1103/PhysRevC.78.014002
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2007GI15      Phys.Rev. C 76, 044002 (2007)

L.Girlanda, M.Viviani, W.H.Klink

Bakamjian-Thomas mass operator for few-nucleon systems from chiral dynamics

doi: 10.1103/PhysRevC.76.044002
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2007RI02      Nucl.Phys. A784, 25 (2007)

A.S.Rinat, M.F.Taragin, M.Viviani

Inclusive scattering data on light nuclei as a tool for the extraction of GnM

NUCLEAR REACTIONS 2H, 4He(e, e'X), E=0.9-21 GeV; analyzed σ(E, θ), related data. 1n deduced magnetic form factor.

doi: 10.1016/j.nuclphysa.2006.10.086
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2007RI05      Eur.Phys.J. A 31, 415 (2007)

A.S.Rinat, M.F.Taragin, M.Viviani

Extraction of GnM from inclusive electron scattering on D, 4He

NUCLEAR REACTIONS 2H, 4He(e, e'X), E=high; analyzed σ(E, θ), related data. 1n deduced magnetic form factor.

doi: 10.1140/epja/i2006-10293-3
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2007VI04      Eur.Phys.J. A 31, 429 (2007)


Few- and many-body methods in nuclear physics

doi: 10.1140/epja/i2006-10263-9
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2007VI12      Nucl.Phys. A790, 46c (2007)

M.Viviani, L.Girlanda, A.Kievsky, L.E.Marcucci, S.Rosati

Bound and scattering states with non-local potentials

NUCLEAR STRUCTURE 3H, 4He; calculated binding energies, radii, related features. Hyperspherical harmonic approach.

doi: 10.1016/j.nuclphysa.2007.03.054
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2007VI13      Phys.Rev.Lett. 99, 112002 (2007)

M.Viviani, R.Schiavilla, B.Kubis, R.Lewis, L.Girlanda, A.Kievsky, L.E.Marcucci, S.Rosati

Isospin Mixing in the Nucleon and 4He and the Nucleon Strange Electric Form Factor

NUCLEAR STRUCTURE 4He; calculated isospin breaking corrections needed to isolate the contribution of nucleon strange electric form factor to the parity violating assymetry measured in polarized electron scattering.

doi: 10.1103/PhysRevLett.99.112002
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2006FI06      Phys.Rev. C 74, 034001 (2006)

B.M.Fisher, C.R.Brune, H.J.Karwowski, D.S.Leonard, E.J.Ludwig, T.C.Black, M.Viviani, A.Kievsky, S.Rosati

Proton-3He elastic scattering at low energies

NUCLEAR REACTIONS 3He(p, p), (polarized p, p), E=0.99, 1.59, 2.24, 3.11, 4.02 MeV; measured σ(θ), Ay(θ). Four-body variational calculations with realistic two- and three-body interactions.

doi: 10.1103/PhysRevC.74.034001
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1467.

2006KI05      Few-Body Systems 38, 63 (2006)

A.Kievsky, M.Viviani, L.E.Marcucci, S.Rosati

Variational Description of Bound States in Three- and Four-Nucleon Systems

NUCLEAR STRUCTURE A=3-4; calculated binding energies, configurations. Hyperspherical harmonic basis.

doi: 10.1007/s00601-005-0132-0
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2006VI05      Few-Body Systems 39, 159 (2006)

M.Viviani, L.E.Marcucci, S.Rosati, A.Kievsky, L.Girlanda

Variational Calculation on A = 3 and 4 Nuclei with Non-Local Potentials

NUCLEAR STRUCTURE 3H, 3,4He; calculated binding energies, radii, related features. Hyperspherical harmonic approach, non-local two-body potentials.

doi: 10.1007/s00601-006-0158-y
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2006WI09      Phys.Rev. C 73, 044004 (2006)

H.Witala, J.Golak, R.Skibinski, W.Glockle, A.Nogga, E.Epelbaum, H.Kamada, A.Kievsky, M.Viviani

Testing nuclear forces by polarization transfer coefficients in d(p(pol), p(pol))d and d(p(pol), d(pol))p reactions at Elabp = 22.7 MeV

NUCLEAR REACTIONS 2H(polarized p, p), (polarized p, d), E=22.7 MeV; measured spin transfer coefficients. Comparison with model predictions using various potentials.

doi: 10.1103/PhysRevC.73.044004
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2005DE21      Phys.Rev. C 71, 064003 (2005)

A.Deltuva, A.C.Fonseca, A.Kievsky, S.Rosati, P.U.Sauer, M.Viviani

Benchmark calculation for proton-deuteron elastic scattering observables including the Coulomb interaction

NUCLEAR REACTIONS 2H(p, p), E=3-65 MeV; calculated σ(θ), proton and deuteron analyzing powers, tensor analyzing powers, spin transfer coefficients.

doi: 10.1103/PhysRevC.71.064003
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2005LA06      Phys.Rev. C 71, 034004 (2005)

R.Lazauskas, J.Carbonell, A.C.Fonseca, M.Viviani, A.Kievsky, S.Rosati

Low energy n-3H scattering: A novel testground for nuclear interactions

NUCLEAR REACTIONS 3H(n, n), E(cm)=0.1-5 MeV; calculated phase shifts, total σ. Three methods compared.

doi: 10.1103/PhysRevC.71.034004
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2005MA18      Eur.Phys.J. A 24, Supplement 1, 95 (2005)

L.E.Marcucci, M.Viviani, R.Schiavilla, A.Kievsky, S.Rosati

Electrodisintegration of 3He below and above deuteron breakup threshold

NUCLEAR REACTIONS 2H(p, γ), E(cm)=2 MeV; calculated σ(θ), analyzing powers. 3He(e, e'), E not given; calculated longitudinal and transverse response functions. 3He(e, e'd), E=370, 576 MeV; calculated σ(E, θ). Pair-correlated hyperspherical harmonics method, comparison with data.

doi: 10.1140/epjad/s2005-05-017-7
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2005MA54      Phys.Rev. C 72, 014001 (2005)

L.E.Marcucci, M.Viviani, R.Schiavilla, A.Kievsky, S.Rosati

Electromagnetic structure of A = 2 and 3 nuclei and the nuclear current operator

NUCLEAR REACTIONS 2H(p, p), E(cm)=6.66 MeV; 2H(p, γ), E(cm)=2-18.66calculated σ(θ), analyzing powers. 1,2H(n, γ), E=thermal; calculated σ. 2H(n, γ), E(cm)=6, 7.2 MeV; calculated σ(θ). Comparisons with data.

NUCLEAR STRUCTURE 3H, 3He; calculated μ, form factors.

doi: 10.1103/PhysRevC.72.014001
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2005RI09      Phys.Rev. C 72, 015211 (2005)

A.S.Rinat, M.F.Taragin, M.Viviani

Simple qualitative description of EMC ratios μA for 0.2 ≤ x ≤ 1.5 and some sample calculations

NUCLEAR STRUCTURE 4He, C, Fe, Au; calculated structure function ratios. Comparison with data.

doi: 10.1103/PhysRevC.72.015211
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2005SC02      Phys.Rev.Lett. 94, 072303 (2005)

R.Schiavilla, O.Benhar, A.Kievsky, L.E.Marcucci, M.Viviani

Polarization Transfer in 4He(e(pol), e'p(pol))3H: Is the Ratio GEp/GMp Modified in the Nuclear Medium?

NUCLEAR REACTIONS 4He(polarized e, e'p), E=high; analyzed polarization transfer, induced polarization; deduced no medium modification.

doi: 10.1103/PhysRevLett.94.072303
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2005SC30      Phys.Rev. C 72, 064003 (2005)

R.Schiavilla, O.Benhar, A.Kievsky, L.E.Marcucci, M.Viviani

Two-body electrodisintegration of 3He at high momentum transfer

NUCLEAR REACTIONS 3He(e, e'p), E=high; calculated σ vs missing momentum, longitudinal-transverse asymmetry. Comparison with data.

doi: 10.1103/PhysRevC.72.064003
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2005VI02      Phys.Rev. C 71, 024006 (2005)

M.Viviani, A.Kievsky, S.Rosati

Calculation of the α-particle ground state within the hyperspherical harmonic basis

NUCLEAR STRUCTURE 4H; calculated binding energy, radius, wave function, asymptotic normalization constants. Hyperspherical harmonic basis.

doi: 10.1103/PhysRevC.71.024006
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2005VI05      Nucl.Phys. A751, 226c (2005)

M.Viviani, A.Kievsky, L.E.Marcucci, S.Rosati

New developments in the study of few-nucleon systems

doi: 10.1016/j.nuclphysa.2005.02.007
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2004KI03      Phys.Rev. C 69, 014002 (2004)

A.Kievsky, M.Viviani, L.E.Marcucci

N-d scattering including electromagnetic forces

NUCLEAR REACTIONS 2H(n, n), E=1.2, 1.9, 6.5 MeV; calculated Ay(θ). 2H(p, p), E=1, 3, 5, 10 MeV; 1H(d, d), E=20 MeV; calculated Ay(θ), iT11(θ). 2H(p, p), E=65 MeV; calculated σ(θ), analyzing powers. Coulomb plus magnetic moment interactions. Comparison with data.

doi: 10.1103/PhysRevC.69.014002
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2004KI11      Nucl.Phys. A737, 61 (2004)

A.Kievsky, M.Viviani, L.E.Marcucci, S.Rosati

Recent Developments in Few-Nucleon Systems

NUCLEAR REACTIONS 2H(n, n), E=1.2, 1.9 MeV; 2H(p, p), E=1, 3 MeV; calculated analyzing powers, contribution from magnetic moment interaction.

doi: 10.1016/j.nuclphysa.2004.03.044
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2004RI13      Phys.Rev. C 70, 014003 (2004)

A.S.Rinat, M.F.Taragin, M.Viviani

Neutron magnetic form factor GnM(Q2) from quasielastic inclusive scattering data on D and 4He

NUCLEAR REACTIONS 2H(e, e'X), E=4 GeV; 4He(e, e'X), E=2-3.6 GeV; analyzed quasielastic σ(E, θ), related data. 1n deduced magnetic form factor.

doi: 10.1103/PhysRevC.70.014003
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2004VI06      Nucl.Phys. A737, 205 (2004)

M.Viviani, A.Kievsky, S.Rosati

Convergence of the Hyperspherical Harmonic Expansion for Four Body Scattering Problems

doi: 10.1016/j.nuclphysa.2004.03.065
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2003NO01      Phys.Rev. C 67, 034004 (2003)

A.Nogga, A.Kievsky, H.Kamada, W.Glockle, L.E.Marcucci, S.Rosati, M.Viviani

Three-nucleon bound states using realistic potential models

NUCLEAR STRUCTURE 3H, 3He; calculated binding energies, mass difference, wave functions. Three-nucleon potential, Fadeev and hyperspherical harmonics calculations.

doi: 10.1103/PhysRevC.67.034004
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2003PA19      Phys.Rev. C 67, 055206 (2003)

T.-S.Park, L.E.Marcucci, R.Schiavilla, M.Viviani, A.Kievsky, S.Rosati, K.Kubodera, D.-P.Min, M.Rho

Parameter-free effective field theory calculation for the solar proton-fusion and hep processes

NUCLEAR REACTIONS 1H, 3He(p, e+ν), E=low; calculated threshold astrophysical S-factors, dependence on cutoff parameters. Effective field theory.

doi: 10.1103/PhysRevC.67.055206
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2003VI01      Phys.Rev. C 67, 034003 (2003)

M.Viviani, A.Kievsky, A.S.Rinat

Gersch-Rodriquez-Smith computation of deep inelastic electron scattering on 4He

NUCLEAR REACTIONS 4He(e, e'X), E=3.6 GeV; calculated σ(E, θ). Comparison with data.

doi: 10.1103/PhysRevC.67.034003
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2003VI06      Eur.Phys.J. A 17, 483 (2003)

M.Viviani, L.E.Marcucci, A.Kievsky, S.Rosati, R.Schiavilla

Electromagnetic and weak transitions in light nuclei

NUCLEAR REACTIONS 2H(p, γ), E(cm)=2, 3.33 MeV; calculated σ(θ), analyzing powers. 3He(μ-, ν), E not given; calculated capture rate, angular correlation parameters.

doi: 10.1140/epja/i2002-10199-0
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2003XU02      Phys.Rev. C 67, 012201 (2003)

W.Xu, B.Anderson, L.Auberbach, T.Averett, W.Bertozzi, T.Black, J.Calarco, L.Cardman, G.D.Cates, Z.W.Chai, J.P.Chen, S.Choi, E.Chudakov, S.Churchwell, G.S.Corrado, C.Crawford, D.Dale, A.Deur, P.Djawotho, T.W.Donnelly, D.Dutta, J.M.Finn, H.Gao, R.Gilman, A.V.Glamazdin, C.Glashausser, W.Glockle, J.Golak, J.Gomez, V.G.Gorbenko, J.-O.Hansen, F.W.Hersman, D.W.Higinbotham, R.Holmes, C.R.Howell, E.Hughes, B.Humensky, S.Incerti, C.W.de Jager, J.S.Jensen, X.Jiang, C.E.Jones, M.Jones, R.Kahl, H.Kamada, A.Kievsky, I.Kominis, W.Korsch, K.Kramer, G.Kumbartzki, M.Kuss, E.Lakuriqi, M.Liang, N.Liyanage, J.LeRose, S.Malov, D.J.Margaziotis, J.W.Martin, K.McCormick, R.D.McKeown, K.McIlhany, Z.-E.Meziani, R.Michaels, G.W.Miller, J.Mitchell, S.Nanda, E.Pace, T.Pavlin, G.G.Petratos, R.I.Pomatsalyuk, D.Pripstein, D.Prout, R.D.Ransome, Y.Roblin, M.Rvachev, A.Saha, G.Salme, M.Schnee, T.Shin, K.Slifer, P.A.Souder, S.Strauch, R.Suleiman, M.Sutter, B.Tipton, L.Todor, M.Viviani, B.Vlahovic, J.Watson, C.F.Williamson, H.Witala, B.Wojtsekhowski, F.Xiong, J.Yeh, P.Zolnierczuk

Plane-wave impulse approximation extraction of the neutron magnetic form factor from quasielastic 3He(pol)(e(pol), e') at Q2 = 0.3 to 0.6 (GeV/c)2

NUCLEAR REACTIONS 3He(polarized e, e'), E=0.778, 1.727 GeV; measured transverse spin-dependent asymmetry. 1n deduced magnetic form factor. Polarized target.

doi: 10.1103/PhysRevC.67.012201
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2002MA66      Phys.Rev. C 66, 054003 (2002)

L.E.Marcucci, R.Schiavilla, S.Rosati, A.Kievsky, M.Viviani

Theoretical study of 3He(μ-, νμ)3H capture

NUCLEAR REACTIONS 3He(μ-, ν), E not given; calculated capture rate, angular correlation parameters. Correlated hyperspherical harmonics wave function, several NN interactions compared.

NUCLEAR STRUCTURE 3H, 3He; calculated binding energies.

doi: 10.1103/PhysRevC.66.054003
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2002WO05      Phys.Rev. C65, 034002 (2002)

M.H.Wood, C.R.Brune, B.M.Fisher, H.J.Karwowski, D.S.Leonard, E.J.Ludwig, A.Kievsky, S.Rosati, M.Viviani

Low-Energy p-d Scattering: High-Precision data, comparisons with theory, and phase-shift analyses

NUCLEAR REACTIONS 2H(polarized p, p), 1H(polarized d, d), E(cm)=667 keV; measured σ(θ), Ay(θ), other analyzing powers; deduced phase shift parameters. Comparison with NN and 3N model predictions.

doi: 10.1103/PhysRevC.65.034002
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0891.

2001BR12      Phys.Rev. C63, 044013 (2001)

C.R.Brune, W.H.Geist, H.J.Karwowski, E.J.Ludwig, K.D.Veal, M.H.Wood, A.Kievsky, S.Rosati, M.Viviani

Proton-Deuteron Elastic Scattering at Low Energies

NUCLEAR REACTIONS 2H(polarized p, p), E=431.3-2000 keV; measured σ(θ), analyzing power vector and tensor components. Comparison with calculations using hyperspherical harmonic basis and different nuclear potentials.

doi: 10.1103/PhysRevC.63.044013
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0801.

2001KA47      Phys.Rev. C64, 044001 (2001)

H.Kamada, A.Nogga, W.Glockle, E.Hiyama, M.Kamimura, K.Varga, Y.Suzuki, M.Viviani, A.Kievsky, S.Rosati, J.Carlson, S.C.Pieper, R.B.Wiringa, P.Navratil, B.R.Barrett, N.Barnea, W.Leidemann, G.Orlandini

Benchmark Test Calculation of a Four-Nucleon Bound State

NUCLEAR STRUCTURE A=4; calculated four-nucleon bound state energy, radius, related features. Several approaches compared.

doi: 10.1103/PhysRevC.64.044001
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2001KI03      Phys.Rev. C63, 024005 (2001)

A.Kievsky, M.H.Wood, C.R.Brune, B.M.Fisher, H.J.Karwowski, D.S.Leonard, E.J.Ludwig, S.Rosati, M.Viviani

Evidence for Three Nucleon Force Effects in p-d Elastic Scattering

NUCLEAR REACTIONS 2H(p, p), E=1 MeV; measured σ(θ); deduced contribution from three-nucleon force. Comparisons with model predictions.

doi: 10.1103/PhysRevC.63.024005
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0891.

2001KI11      Phys.Rev. C63, 064004 (2001)

A.Kievsky, J.L.Friar, G.L.Payne, S.Rosati, M.Viviani

Phase Shifts and Mixing Parameters for Low-Energy Proton-Deuteron Scattering

NUCLEAR REACTIONS 2H(p, p), E=1, 2, 3 MeV; calculated phase shifts, mixing parameters. AV14 two-body potential.

doi: 10.1103/PhysRevC.63.064004
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2001KI22      Nucl.Phys. A689, 349c (2001)

A.Kievsky, M.H.Wood, C.R.Brune, B.M.Fisher, H.J.Karwowski, D.S.Leonard, E.J.Ludwig, S.Rosati, M.Viviani

χ2 Analysis of p-d Differential Cross Sections at Low Energies

NUCLEAR REACTIONS 1H(d, d), E=1 MeV; measured σ(θ); deduced model parameters.

doi: 10.1016/S0375-9474(01)00852-1
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2001KI24      Phys.Rev. C64, 024002 (2001)

A.Kievsky, M.Viviani, S.Rosati

Polarization Observables in p-d Scattering below 30 MeV

NUCLEAR REACTIONS 2H(p, np), E=4-30 MeV; calculated breakup σ. 2H(polarized p, X), (polarized n, X), E=1-28 MeV; calculated σ(θ), vector and tensor analyzing powers. Argonne AV18 interaction, Urbana three-nucleon potential. Comparisons with data.

doi: 10.1103/PhysRevC.64.024002
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2001KI30      Phys.Rev. C64, 041001 (2001)

A.Kievsky, S.Rosati, M.Viviani

Coulomb Effects in Nucleon-Deuteron Polarization-Transfer Coefficients

NUCLEAR REACTIONS 2H(polarized n, n), (polarized p, p), E=10, 19, 22.7 MeV; calculated polarization transfer coefficients; deduced Coulomb and three-nucleon interaction effects. Comparison with data.

doi: 10.1103/PhysRevC.64.041001
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