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NSR database version of April 11, 2024.

Search: Author = L.E.Marcucci

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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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2023AC12      J.Phys.(London) G50, 095102 (2023)

B.Acharya, L.E.Marcucci, L.Platter

Revisiting proton-proton fusion in chiral effective field theory

NUCLEAR REACTIONS 1H(p, X), E not given; calculated proton-proton fusion S-factor and uncertainties by performing order-by-order computations with a variety of chiral interactions that are regularized and calibrated in different ways.

doi: 10.1088/1361-6471/ace3e2
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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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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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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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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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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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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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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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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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2019GN01      Nucl.Phys. A987, 1 (2019)

A.Gnech, L.E.Marcucci

Theoretical calculation of the p - 6Li radiative capture reaction

NUCLEAR REACTIONS 6Li(p, γ)7Be, E=0-1.6 MeV; calculated radiative capture astrophysical S-factor using cluster model with intercluster potentials adjusted to the 7Be bound state and to the properties and p-6Li elastic scattering phase shifts. Compared with available calculations and published data.

doi: 10.1016/j.nuclphysa.2019.04.005
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2019GO32      Phys.Rev. C 100, 064003 (2019)

J.Golak, R.Skibinski, K.Topolnicki, H.Witala, A.Grassi, H.Kamada, L.E.Marcucci

From response functions to cross sections in neutrino scattering off the deuteron and trinucleons

NUCLEAR REACTIONS 2H(ν-bar, e+)2n, (ν, e-)2p, (ν-bar, ν-bar), (ν, ν), 3H, 3He(ν-bar, e+), (ν-bar, ν-bar), (ν, ν), E<160 MeV; calculated response functions, charged and neutral current differential σ(E, θ, Ω), total σ(E) for electron neutrino scattering using the AV18 nucleon-nucleon potential and a single-nucleon weak current operator.

doi: 10.1103/PhysRevC.100.064003
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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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2018GO16      Phys.Rev. C 98, 015501 (2018)

J.Golak, R.Skibinski, K.Topolnicki, H.Witala, A.Grassi, H.Kamada, L.E.Marcucci

Momentum space treatment of inclusive neutrino scattering off the deuteron and trinucleons

NUCLEAR REACTIONS 3He(ν-bar, 3Heν-bar), (ν, 3Heν), 3H(ν-bar, tν-bar), (ν, tν), E<300 MeV; calculated total σ(E), inclusive response functions response functions for charged current (CC) antineutrino disintegration of 3He, and neutral current (NC) antineutrino disintegration of 3He and 3H using momentum-space approach with AV18 nucleon-nucleon interaction. Comparison with other theoretical predictions.

doi: 10.1103/PhysRevC.98.015501
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2018GO24      Phys.Rev. C 98, 054001 (2018)

J.Golak, R.Skibinski, K.Topolnicki, H.Witala, A.Grassi, H.Kamada, A.Nogga, L.E.Marcucci

Radiative pion capture in 2H, 3He, and 3H

NUCLEAR REACTIONS 2H(π-, 2nγ), E not given; 3He(π-, tγ), (π-, ndγ), (π-, 2npγ), E not given; 3H(π-, 3nγ), E not given; calculated relativistic and non-relativistic kinematically allowed region in the (Eγ, En) plane, and differential capture rate as a function of the photon energy and magnitude of the relative n-n momentum, total radiative pion capture rates using single-nucleon Kroll-Ruderman-type transition operator with the AV18 two-nucleon and Urbana IX three-nucleon potentials. Comparison with previous theoretical predictions, and with experimental data.

doi: 10.1103/PhysRevC.98.054001
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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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2017GO02      Few-Body Systems 58, 16 (2017)

J.Golak, R.Skibinski, H.Witala, K.Topolnicki, H.Kamada, A.Nogga, L.E.Marcucci

Muon Capture on 3H

NUCLEAR REACTIONS 3H(μ-, X), E slow; calculated capture rate. AV18 nucleon-nucleon potential and the Urbana IX three-nucleon force.

doi: 10.1007/s00601-016-1162-5
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2017GR16      Phys.Rev. C 96, 045807 (2017)

A.Grassi, G.Mangano, L.E.Marcucci, O.Pisanti

α + d → 6Li + γ astrophysical S factor and its implications for Big Bang nucleosynthesis

NUCLEAR REACTIONS 2H(α, 6Li), E(cm)<7 MeV; calculated phase shifts for every partial wave, partial astrophysical S(E) factors, total astrophysical S(E) factors for five potential models. Comparison with available experimental data.

NUCLEAR STRUCTURE 6Li; calculated binding energy, s-state ANC, magnetic dipole moment, electric quadrupole moment using five different potential models, and compared with available experimental data. 6Li; deduced effect of S-factor prediction on the primordial abundance of 6Li using the code PArthENoPE. Two-body framework for α+d radiative capture, with the α particle and the deuteron treated as structureless constituent of 6Li.

doi: 10.1103/PhysRevC.96.045807
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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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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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2016GO22      Phys.Rev. C 94, 034002 (2016)

J.Golak, R.Skibinski, H.Witala, K.Topolnicki, H.Kamada, A.Nogga, L.E.Marcucci

Muon capture on 3H

NUCLEAR REACTIONS 3H(μ-, 3nν), E at rest; calculated total and differential rates for muon capture as function of muonic or neutron energy, predictions for three-body breakup of 3H using two- and three-nucleon potentials AV18 and Urbana-IX. Comparison with previous theoretical calculations.

doi: 10.1103/PhysRevC.94.034002
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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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2015SA22      Phys.Rev. C 91, 054311 (2015)

F.Sammarruca, L.Coraggio, J.W.Holt, N.Itaco, R.Machleidt, L.E.Marcucci

Toward order-by-order calculations of the nuclear and neutron matter equations of state in chiral effective field theory

doi: 10.1103/PhysRevC.91.054311
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2014CO09      Phys.Rev. C 89, 044321 (2014)

L.Coraggio, J.W.Holt, N.Itaco, R.Machleidt, L.E.Marcucci, F.Sammarruca

Nuclear-matter equation of state with consistent two- and three-body perturbative chiral interactions

NUCLEAR STRUCTURE 3H, 3He; calculated neutron-proton phase shifts, binding energy, Gamow-Teller transition matrix element, nuclear matter energy per particle. Equation of state (EOS) for two- and three-body perturbative chiral interactions in the framework of the perturbative Goldstone expansion and regulator functions. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.044321
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2014GO19      Phys.Rev. C 90, 024001 (2014)

J.Golak, R.Skibinski, H.Witala, K.Topolnicki, A.E.Elmeshneb, H.Kamada, A.Nogga, L.E.Marcucci

Break-up channels in muon capture on 3He

NUCLEAR REACTIONS 2H(μ-, ν)2n, 3He(μ-, ν)3H, (μ-, dν)n, (μ-, pν)2n, E not given; calculated total and differential rates for muon capture as function of muonic neutrino energy using two- and three-nucleon potentials AV18 and Urbana-IX. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.024001
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2014MA71      Few-Body Systems 55, 615 (2014)


Electroweak Structure of Light Nuclei Within Chiral Effective Field Theory

doi: 10.1007/s00601-013-0738-6
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2014MA89      Phys.Rev. C 90, 054001 (2014)

L.E.Marcucci, R.Machleidt

Muon capture on the deuteron and the neutron-neutron scattering length

NUCLEAR REACTIONS 2H(μ-, ν)2n, E not given; 3He(μ-, ν)3H, E not given; calculated muon capture rates μ-2 and μ-3 with nuclear potentials and charge-changing weak currents derived within chiral EFT. Relevance to MuSun experimental collaboration at PSI.

doi: 10.1103/PhysRevC.90.054001
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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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2012SH28      Phys.Rev. C 86, 035503 (2012)

G.Shen, L.E.Marcucci, J.Carlson, S.Gandolfi, R.Schiavilla

Inclusive neutrino scattering off the deuteron from threshold to GeV energies

NUCLEAR REACTIONS 2H(ν, ν'), (ν-bar, ν-bar), (ν, e-), (ν-bar, e+), E=100-1000 MeV; calculated total σ(E) sections, logitudinal and transverse electromagnetic responses, differential σ(E). AV18 potential, and consistent nuclear electroweak currents with one- and two-body terms. comparison with experimental data. Relevance to interpretation of neutrino oscillation results in long baseline neutrino experiments.

doi: 10.1103/PhysRevC.86.035503
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2011AD03      Rev.Mod.Phys. 83, 195 (2011)

E.G.Adelberger, A.Garcia, R.G.H.Robertson, K.A.Snover, A.B.Balantekin, K.Heeger, M.J.Ramsey-Musolf, A.B.Balantekin, K.Heeger, M.J.Ramsey-Musolf, D.Bemmerer, A.Junghans, D.Bemmerer, A.Junghans, C.A.Bertulani, K.-W.Chen, H.Costantini, P.Prati, M.Couder, E.Uberseder, M.Wiescher, R.Cyburt, B.Davids, S.J.Freedman, M.Gai, D.Gazit, L.Gialanella, G.Imbriani, U.Greife, M.Hass, W.C.Haxton, T.Itahashi, K.Kubodera, K.Langanke, D.Leitner, M.Leitner, P.Vetter, L.Winslow, L.E.Marcucci, T.Motobayashi, A.Mukhamedzhanov, R.E.Tribble, F.M.Nunes, T.-S.Park, R.Schiavilla, E.C.Simpson, C.Spitaleri, F.Strieder, H.-P.Trautvetter, K.Suemmerer, S.Typel

Solar fusion cross sections. II. The pp chain and CNO cycles

NUCLEAR REACTIONS 2H(p, γ), 3He(3He, 2p), (α, γ), (p, e), 7Be, 12C, 14N, 15N, 17O(p, γ), 15N, 16,17,18O(p, α), E<3 MeV; analyzed and evaluated experimental data; deduced recommended values and uncertainties.

doi: 10.1103/RevModPhys.83.195
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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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2011MA07      Few-Body Systems 49, 35 (2011)

L.E.Marcucci, M.Piarulli

Muon Capture on Light Nuclei

NUCLEAR REACTIONS 2H, 3He(μ-, ν), E not given; calculated total rate of muon capture. Argonne and Urbana IX nucleon potentials.

doi: 10.1007/s00601-010-0157-x
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2011MA22      Few-Body Systems 50, 383 (2011)


Muon Capture on Deuteron and 3He

NUCLEAR REACTIONS 2H(μ-, ν)2n, 3He(μ-, ν)3H, E not given; calculated total rate for muon capture. Argonne or chiral N3LO two-nucleon potentials.

doi: 10.1007/s00601-010-0134-4
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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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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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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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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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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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2008MA50      Phys.Rev. C 78, 065501 (2008)

L.E.Marcucci, M.Pervin, Steven C.Pieper, R.Schiavilla, R.B.Wiringa

Quantum Monte Carlo calculations of magnetic moments and M1 transitions in A ≤ 7 nuclei including meson-exchange currents

NUCLEAR STRUCTURE 2H, 3H, 3He, 6Li, 7Li, 7Be; calculated magnetic moments, transition widths. Monte Carlo method.

doi: 10.1103/PhysRevC.78.065501
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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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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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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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2006MA94      Nucl.Phys. A777, 111 (2006)

L.E.Marcucci, K.M.Nollett, R.Schiavilla, R.B.Wiringa

Modern theories of low-energy astrophysical reactions

NUCLEAR REACTIONS 1H(n, γ), E=1-1000 keV; calculated σ(E). 1H(n, γ), E=thermal; calculated σ. 2H(p, γ), E(cm)=0-50 keV; 3He(p, e+ν), E=low; 2H(α, γ), E(cm)=0.05-10 MeV; 3He(α, γ), E(cm)=0-2.5 MeV; 3H(α, γ), E(cm)=0-1.5 MeV; calculated astrophysical S-factor. Direct integration, correlated hyperspherical harmonics and variational Monte Carlo models with realistic two- and three-nucleon interactions. Comparison with data.

RADIOACTIVITY 7Be(EC);3H(β-); calculated T1/2 and Gamow-Teller matrix elements. Comparison with data.

NUCLEAR STRUCTURE 3H, 3,4He, 6,7Li, 7Be; calculated binding energies. Correlated hyperspherical harmonics, variational Monte Carlo and Green's function Monte Carlo models. Comparison with data.

doi: 10.1016/j.nuclphysa.2004.09.008
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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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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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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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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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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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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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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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2001MA02      Phys.Rev. C63, 015801 (2001)

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

Weak Proton Capture on 3He

NUCLEAR REACTIONS 3He(p, e+ν), E(cm)=0, 5, 10 keV; calculated astrophysical S-factors. Correlated hyperspherical harmonics method. Comparison with data.

doi: 10.1103/PhysRevC.63.015801
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2001MA58      Nucl.Phys. A689, 280c (2001)


The hep and the Solar Neutrino Problem

NUCLEAR REACTIONS 3He(p, e+ν), E=0, 5, 10 keV; calculated astrophysical S-factors. Implications for solar neutrinos discussed.

doi: 10.1016/S0375-9474(01)00842-9
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2000MA38      Phys.Rev.Lett. 84, 5959 (2000)

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

Realistic Calculation of the 3He + p(hep) Astrophysical Factor

NUCLEAR REACTIONS 3He(p, e+ν), E(cm)=0, 5, 10 keV; calculated astrophysical S factor. Comparison with standard solar model.

doi: 10.1103/PhysRevLett.84.5959
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2000VI05      Phys.Rev. C61, 064001 (2000)

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

Photodisintegration and Electrodisintegration of 3He at Threshold and pd Radiative Capture

NUCLEAR REACTIONS 2H(polarized p, γ), E(cm)=0-100, 2000 keV; calculated σ(θ), analyzing powers. 3He(polarized e, e'X), E not given; calculated longitudinal, transverse, and interference response functions. Comparisons with data.

doi: 10.1103/PhysRevC.61.064001
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1998MA78      Phys.Rev. C58, 3069 (1998)

L.E.Marcucci, D.O.Riska, R.Schiavilla

Electromagnetic Structure of Trinucleons

NUCLEAR STRUCTURE 3H, 3He; calculated charge, magnetic form factors; deduced contributions. Argonne v18 two-nucleon and Urbana IX three-nucleon interactions. Comparison with data.

doi: 10.1103/PhysRevC.58.3069
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1997KI25      Few-Body Systems 22, 1 (1997)

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

High-Precision Calculation of the Triton Ground State Within the Hyperspherical-Harmonics Method

NUCLEAR STRUCTURE 3H; calculated wave functions, binding energy. Hyperspherical-harmonics approach.

doi: 10.1007/s006010050049
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