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NSR database version of April 11, 2024.

Search: Author = R.B.Wiringa

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2023PI01      Phys.Rev. C 107, 014314 (2023)

M.Piarulli, S.Pastore, R.B.Wiringa, S.Brusilow, R.Lim

Densities and momentum distributions in A ≤ 12 nuclei from chiral effective field theory interactions

NUCLEAR STRUCTURE 3H, 3,4,8He, 6,7Li, 9Be, 10B, 12C; calculated one-body neutron and proton densities, relative-distance np and pp pair densities, total number of spin-isospin pairs, total one-body neutron and proton momentum distributions, total np and pp momentum distributions, ratio of np and pp pairs as function of relative momentum. Variational Monte Carlo calculations with AV18+UX phenomenological three-nucleon interactions.

doi: 10.1103/PhysRevC.107.014314
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2022AN04      Phys.Rev. C 105, 014002 (2022)

L.Andreoli, J.Carlson, A.Lovato, S.Pastore, N.Rocco, R.B.Wiringa

Electron scattering on A=3 nuclei from quantum Monte Carlo based approaches

NUCLEAR REACTIONS 3H(e, e), (e, e'), at momentum transfer θ=300 MeV/c; calculated total longitudinal response density. 3H, 3He(e, e'), at momentum transfer θ=300, 500, 700 MeV/c; calculated longitudinal and transverse response functions, single proton momentum distribution of 3He. 3He(e, e), (e, e'), E=287.2, 319.1, 469.4, 499.9, 560.3, 667.3 MeV; 3H(e, e), (e, e'), E=367.7, 506.9, 557.9, 652.4, 790.2 MeV; calculated inclusive double-differential σ(E). Green's function Monte Carlo (GFMC) method with two approaches for the final hadronic state: the spectral-function (SF) formalism and the short-time approximation (STA). Comparison with experimental data.

doi: 10.1103/PhysRevC.105.014002
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2022KU08      Phys.Rev. C 105, 034314 (2022)

A.N.Kuchera, D.Bazin, T.Phan, J.A.Tostevin, M.Babo, T.Baumann, P.C.Bender, M.Bowry, J.Bradt, J.Brown, P.A.DeYoung, B.Elman, J.E.Finck, A.Gade, G.F.Grinyer, M.D.Jones, B.Longfellow, E.Lunderberg, T.H.Redpath, W.F.Rogers, K.Stiefel, M.Thoennessen, D.Votaw, D.Weisshaar, K.Whitmore, R.B.Wiringa

Mirror nucleon removal reactions in p-shell nuclei

NUCLEAR REACTIONS 9Be(7Li, 6He), (7Li, 6Li), (9Li, 8Li), (10Be, 9Li) E=80 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial σ to the individual final states of the daughter nuclei. Comparison to fully microscopic variational Monte Carlo (VMC) model calculations. Systematics of partial σ for nucleon removal reactions in mirror pairs. CAESAR array of 170 CsI(Te) scintillators. Secondaries beam produced in 9Be(16O, X), E=150 MeV/nucleon reaction and delivered to the target via A1900 fragment separator (NSCL-MSU).

doi: 10.1103/PhysRevC.105.034314
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2022LO07      Phys.Rev. C 105, 055808 (2022)

A.Lovato, I.Bombaci, D.Logoteta, M.Piarulli, R.B.Wiringa

Benchmark calculations of infinite neutron matter with realistic two- and three-nucleon potentials

doi: 10.1103/PhysRevC.105.055808
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2022PA12      Phys.Rev. C 105, 049802 (2022)

S.Pastore, J.Carlson, R.Schiavilla, J.L.Barrow, S.Gandolfi, R.B.Wiringa

Reply to "Comment on 'Quasielastic lepton scattering and back-to-back nucleons in the short-time approximation"

NUCLEAR REACTIONS 4He(e, e'), q=300-800 MeV/c; calculated transverse scaling functions for 4He with one-body and one plus two-body currents. Short time approximation (STA). Pointed that enhanced scaling reflects quasielastic kinematics and the dominant role played by pion-exchange interactions and currents in the quasielastic regime.

doi: 10.1103/PhysRevC.105.049802
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2022SC13      Phys.Rev. C 106, 054323 (2022)

J.Schmitt, G.B.King, R.G.T.Zegers, Y.Ayyad, D.Bazin, B.A.Brown, A.Carls, J.Chen, A.Davis, M.DeNudt, J.Droste, B.Gao, C.Hultquist, H.Iwasaki, S.Noji, S.Pastore, J.Pereira, M.Piarulli, H.Sakai, A.Stolz, R.Titus, R.B.Wiringa, J.C.Zamora

Probing spin-isospin excitations in proton-rich nuclei via the 11C(p, n)11N reaction

NUCLEAR REACTIONS 1H(11C, n), E=95 MeV/nucleon; measured reaction products, time-of-flight, En, In, (particle)n-coin, angular distribution; deduced σ(θ), σ(θ, E), cumulative Gamow-Teller transition strengths, B(GT) values to the 1/2- state at 0.73 MeV and the 3/2- state at 2.86 MeV in 11N. Multipole decomposition analysis. Comparison to shell-model calculations with wbp interaction and to experimental data on the 11B(n, p), (d, 2He), (t, 3He) reactions. Ursinus liquid hydrogen target coupled to Low Energy Neutron Detector Array (LENDA) and S800 spectrograph. 11C beam produced from Be(16O, X) reaction and purified with A1900 fragment separator at Coupled Cyclotron Facility (CCF) at the NSCL.

doi: 10.1103/PhysRevC.106.054323
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2022WE03      Phys.Rev. C 106, 054319 (2022)

R.Weiss, A.Lovato, R.B.Wiringa

Isospin-symmetry implications for nuclear two-body distributions and short-range correlations

NUCLEAR STRUCTURE 6,7Li, 6,10Be; calculated two-body pp, nn and pn densities with spins equal 0 and 1. Ab initio variational Monte Carlo calculations with AV18 + UX potential.

RADIOACTIVITY 10Be(2β-); calculated 0νββ Fermi transition densities.

doi: 10.1103/PhysRevC.106.054319
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2022WE06      Phys.Rev. C 106, 065501 (2022)

R.Weiss, P.Soriano, A.Lovato, J.Menendez, R.B.Wiringa

Neutrinoless double-β decay: Combining quantum Monte Carlo and the nuclear shell model with the generalized contact formalism

RADIOACTIVITY 12,10Be, 14C, 48Ca, 76Ge, 130Te, 136Xe(2β-); calculated Fermi, Gamow-Teller, and short-range transition densities, 0νββ-decay matrix elements. Calculation within framework based on the generalized contact formalism that combines the nuclear shell model and quantum Monte Carlo methods.

doi: 10.1103/PhysRevC.106.065501
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2021AT02      Phys.Rev. C 104, 059802 (2021)

M.C.Atkinson, W.H.Dickhoff, M.Piarulli, A.Rios, R.B.Wiringa

Reply to "Comment on 'Reexamining the relation between the binding energy of finite nuclei and the equation of state of infinite nuclear matter'"

doi: 10.1103/PhysRevC.104.059802
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2020AT02      Phys.Rev. C 102, 044333 (2020)

M.C.Atkinson, W.H.Dickhoff, M.Piarulli, A.Rios, R.B.Wiringa

Reexamining the relation between the binding energy of finite nuclei and the equation of state of infinite nuclear matter

NUCLEAR STRUCTURE 12C, 40,48Ca, 208Pb; calculated binding energies, binding energy as a function of radius in 12C, energy densities using a dispersive optical model. Comparison with ab initio self-consistent Green's-function calculations, and with experimental data. 8Be; calculated total binding-energy density, the kinetic-energy density, the two-body potential-energy density, and the three-body potential-energy density using Green's-function Monte Carlo method, with the Argonne-Urbana two- and three-body interactions. 12C; calculated three-body potential-energy densities for different chiral interactions and the Urbana-X.

NUCLEAR REACTIONS 12C(p, p), (n, n), (polarized p, p), (polarized n, n), (p, X), (n, X), E<200 MeV; calculated differential σ(θ, E) and analyzing powers Ay(θ, E) for elastic scattering, proton and neutron total reaction σ(E) generated from the dispersive optical model (DOM). Comparison with experimental data.

doi: 10.1103/PhysRevC.102.044333
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2020KI13      Phys.Rev. C 102, 025501 (2020)

G.B.King, L.Andreoli, S.Pastore, M.Piarulli, R.Schiavilla, R.B.Wiringa, J.Carlson, S.Gandolfi

Chiral effective field theory calculations of weak transitions in light nuclei

NUCLEAR STRUCTURE 3H, 4,6,8He, 6,7,8Li, 7,8Be, 8,10B, 10C; calculated energies of ground and excited states, point-proton radii using Green's function Monte Carlo (GFMC) calculations, and compared with experimental data.

RADIOACTIVITY 6,8He, 8Li(β-); 7Be(EC); 8B, 10C(β+); calculated Gamow-Teller reduced matrix elements (RMEs), two-body transition densities and pair densities using chiral axial currents and GFMC (VMC) wave functions, with NV2+3-Ia and NV2+3-Ia* Hamiltonian models, and RMEs compared to experimental data.

doi: 10.1103/PhysRevC.102.025501
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2020PA15      Phys.Rev. C 101, 044612 (2020)

S.Pastore, J.Carlson, S.Gandolfi, R.Schiavilla, R.B.Wiringa

Quasielastic lepton scattering and back-to-back nucleons in the short-time approximation

NUCLEAR REACTIONS 4He(e, e'), q=300-800 MeV/c; calculated transverse response densities, longitudinal and transverse sum rules, contribution of response density in the back-to-back configurations due to scattering from pp and nn pairs. Short time approximation (STA), combined with quantum Monte Carlo computational methods. Comparison with experimental data, and with results from Green's function Monte Carlo (GFMC) method. Relevance to current and planned neutrino oscillation experiments.

doi: 10.1103/PhysRevC.101.044612
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2020PI05      Phys.Rev. C 101, 045801 (2020)

M.Piarulli, I.Bombaci, D.Logoteta, A.Lovato, R.B.Wiringa

Benchmark calculations of pure neutron matter with realistic nucleon-nucleon interactions

doi: 10.1103/PhysRevC.101.045801
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2019CH51      Phys.Rev. C 100, 064314 (2019)

J.Chen, K.Auranen, M.L.Avila, B.B.Back, M.A.Caprio, C.R.Hoffman, D.Gorelov, B.P.Kay, S.A.Kuvin, Q.Liu, J.L.Lou, A.O.Macchiavelli, D.G.McNeel, T.L.Tang, D.Santiago-Gonzalez, R.Talwar, J.Wu, G.Wilson, R.B.Wiringa, Y.L.Ye, C.X.Yuan, H.L.Zang

Experimental study of the low-lying negative-parity states in 11Be using the 12B (d, 3He) 11Be reaction

NUCLEAR REACTIONS 2H(12B, 3He)11Be, (12B, 12B'), E=12 MeV/nucleon, [secondary 12Be beam from 2H(11B, 12B), E=13.5 MeV/nucleon primary reaction]; measured reaction products, E(3He), I(3He), (3He)(11Be)- and (3He)(10Be)-coin, σ(θ) using the HELical Orbit Spectrometer (HELIOS) at the ATLAS In-Flight facility at ANL. Deuterated polyethylene (CD2)n target. 11Be; deduced levels, l-transfers, configurations, spectroscopic factors. Distorted wave Born approximation (DWBA) analysis. Comparison with previous experimental data, and with results from variational Monte Carlo and no-core shell-model calculations. Comparison with 11B(d, 3He)10Be experimental data.

doi: 10.1103/PhysRevC.100.064314
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2019CI06      Phys.Rev. C 100, 055504 (2019)

V.Cirigliano, W.Dekens, J.de Vries, M.L.Graesser, E.Mereghetti, S.Pastore, M.Piarulli, U.van Kolck, R.B.Wiringa

Renormalized approach to neutrinoless double-β decay

RADIOACTIVITY 6He, 12Be(2β-); calculated Fermi (F), Gamow-Teller (GT), and tensor (T) densities, variational Monte Carlo (VMC) for the dimensionless matrix elements of the long-range and short-range neutrino-exchange potentials and short-range transition densities for 0νββ decay modes; deduced that a short-range operator is only needed in spin-singlet s-wave transitions, while leading-order transitions involving higher partial waves depend solely on long-range currents.Ab initio calculations of the matrix elements for 0νββ decay using pionless and chiral effective field theory, extended to include next-to-leading-order corrections.

doi: 10.1103/PhysRevC.100.055504
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2019DI06      Phys.Rev. C 99, 034004 (2019)

N.N.Dinur, O.J.Hernandez, S.Bacca, N.Barnea, C.Ji, S.Pastore, M.Piarulli, R.B.Wiringa

Zemach moments and radii of 2, 3H and 3, 4He

NUCLEAR STRUCTURE 2,3H, 3,4He; calculated Zemach electromagnetic moments, charge radii, ground-state wave-functions using various few-body methods, such as Numerov algorithm or the harmonic oscillator expansion method for A=2 nuclei, and Monte Carlo (VMC) and Green's function Monte Carlo (GFMC) methods, with hyperspherical harmonics (HH) expansions and momentum-space formulation (HH-p), and the effective interaction scheme in coordinate space (EIHH). Comparison with experimental values. Benchmarking of electromagnetic moments relevant to ongoing experimental efforts of muon-nucleus systems, and to muonic atom data measured by the CREMA collaboration at the Paul Scherrer Institute.

doi: 10.1103/PhysRevC.99.034004
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2019MA33      Phys.Rev.Lett. 122, 182501 (2019)

B.Maass, T.Huther, K.Konig, J.Kramer, J.Krause, A.Lovato, P.Muller, K.Pachucki, M.Puchalski, R.Roth, R.Sanchez, F.Sommer, R.B.Wiringa, W.Nortershauser

Nuclear Charge Radii of 10, 11B

NUCLEAR MOMENTS 10,11B; measured frequencies; deduced nuclear charge radii by combining high-accuracy ab initio mass-shift calculations and a high-accuracy measurement of the isotope shift.

doi: 10.1103/PhysRevLett.122.182501
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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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2018PA05      Phys.Rev. C 97, 014606 (2018)

S.Pastore, J.Carlson, V.Cirigliano, W.Dekens, E.Mereghetti, R.B.Wiringa

Neutrinoless double-β decay matrix elements in light nuclei

RADIOACTIVITY 6,8,10He, 10,12Be, 48Ca, 76Ge, 136Xe(2β-); calculated dimensionless matrix elements for light Majorana-neutrino exchange in 0νββ decay using variational Monte Carlo (VMC) wave functions obtained from the Argonne ν18 two-nucleon potential and Illinois-7 three-nucleon interaction.

doi: 10.1103/PhysRevC.97.014606
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2018PA08      Phys.Rev. C 97, 022501 (2018)

S.Pastore, A.Baroni, J.Carlson, S.Gandolfi, StevenC.Pieper, R.Schiavilla, R.B.Wiringa

Quantum Monte Carlo calculations of weak transitions in A = 6-10 nuclei

RADIOACTIVITY 3H, 6He(β-); 10C(β+); 7Be(EC); calculated ab initio Gamow-Teller (GT) reduced matrix elements (RMEs) using variational and Green's function Monte Carlo wave functions (GFMC, VMC)from the Argonne v18 two-nucleon and Illinois-7 three-nucleon interactions, and axial many-body currents from either meson-exchange phenomenology or chiral effective field theory. Comparison with experimental data. Calculations for 3H decay in Supplemental Material (Ref, 32 in paper).

doi: 10.1103/PhysRevC.97.022501
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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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2017LO11      Phys.Rev. C 96, 024326 (2017)

D.Lonardoni, A.Lovato, S.C.Pieper, R.B.Wiringa

Variational calculation of the ground state of closed-shell nuclei up to A=40

NUCLEAR STRUCTURE 4He, 16O, 40Ca; calculated cluster contributions to energies per nucleon, point radii, total energies, charge radii, point proton and two-nucleon densities, operator two-nucleon densities, proton momentum distributions, integrated strengths, longitudinal elastic form factors, Coulomb sum rules, central and radial correlation functions, and variational parameters. Variational Monte Carlo calculations using realistic phenomenological two- and three-nucleon potentials AV18 and AV18+UIX. Comparison with experimental data.

doi: 10.1103/PhysRevC.96.024326
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2017WU03      Phys.Rev. C 95, 014310 (2017)

A.H.Wuosmaa, S.Bedoor, K.W.Brown, W.W.Buhro, Z.Chajecki, R.J.Charity, W.G.Lynch, J.Manfredi, S.T.Marley, D.G.McNeel, A.S.Newton, D.V.Shetty, R.H.Showalter, L.G.Sobotka, M.B.Tsang, J.R.Winkelbauer, R.B.Wiringa

Ground-state properties of 5H from the 6He (d, 3He) 5H reaction

NUCLEAR REACTIONS 2H(6He, 3He), (6He, t), E=55 MeV/nucleon, [secondary 6He beam from 9Be(18O, X), E=120 MeV/nucleon and using A1900 fragment separator at NSCL-MSU facility]; measured particle identification (PID) spectra, kinetic-energy spectra of low-energy 3He and 3H particles using High Resolution Array (HiRA) of charged-particle-detector telescopes and CsI(Tl) scintillator crystals; deduced correlations between E(3He) and E(3H), and E(3H) and E(4He), Q-value dependence of cross sections from DWBA calculations, 3H recoil-energy distributions from the decay of 5H, beam-like recoils and two-neutron correlations. 5H, 5He; deduced energies and widths of resonances corresponding to the ground state. Comparison with previous experimental results, shell-model and ab initio nuclear-structure calculations.

COMPILATION 5H; compiled theoretical and previous (1968-2005) experiments for identification, and results of resonance energy and width of ground-state resonance of 5H.

doi: 10.1103/PhysRevC.95.014310
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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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2014GA06      Eur.Phys.J. A 50, 10 (2014)

S.Gandolfi, J.Carlson, S.Reddy, A.W.Steiner, R.B.Wiringa

The equation of state of neutron matter, symmetry energy and neutron star structure

doi: 10.1140/epja/i2014-14010-5
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2014PA41      Phys.Rev. C 90, 024321 (2014)

S.Pastore, R.B.Wiringa, S.C.Pieper, R.Schiavilla

Quantum Monte Carlo calculations of electromagnetic transitions in 8Be with meson-exchange currents derived from chiral effective field theory

NUCLEAR STRUCTURE 8Be; calculated Green's function Monte Carlo (GFMC) ground-state energies, levels, J, π, E2 and M1 transition matrix elements, isospin-mixed widths, one- and two-body M1 transition densities. Argonne ν18 two-nucleon and Illinois-7 three-nucleon potentials and chiral effective field theory. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.024321
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2014WI01      Phys.Rev. C 89, 024305 (2014)

R.B.Wiringa, R.Schiavilla, S.C.Pieper, J.Carlson

Nucleon and nucleon-pair momentum distributions in A ≤ 12 nuclei

NUCLEAR STRUCTURE 2H, 3,4,6,8He, 6,7,8,9Li, 8,9,10Be, 10B, 12C; calculated neutron and proton single-nucleon distributions, nucleon-pair, and nucleon-cluster momentum distributions distribution, spin-isospin densities and correlations. Variational Monte Carlo wave functions using realistic Argonne ν18 two-nucleon and Urbana X three-nucleon potentials.

doi: 10.1103/PhysRevC.89.024305
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2013AL09      Phys.Lett. B 721, 224 (2013)

H.Al Falou, R.Kanungo, C.Andreoiu, D.S.Cross, B.Davids, M.Djongolov, A.T.Gallant, N.Galinski, D.Howell, R.Kshetri, D.Niamir, J.N.Orce, A.C.Shotter, S.Sjue, I.Tanihata, I.J.Thompson, S.Triambak, M.Uchida, P.Walden, R.B.Wiringa

Inelastic scattering of 9Li and excitation mechanism of its first excited state

NUCLEAR REACTIONS C, 2H(9Li, 8Li), (9Li, X), (9Li, 9Li), E=5 MeV/nucleon; measured reaction products. 9Li; deduced σ(θ), quadrupole deformation parameter, B(E2). DWUCK4, FRESCO calculations, comparison with available data.

doi: 10.1016/j.physletb.2013.03.018
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2013DA10      Phys.Rev.Lett. 111, 062502 (2013)

V.M.Datar, D.R.Chakrabarty, S.Kumar, V.Nanal, S.Pastore, R.B.Wiringa, S.P.Behera, A.Chatterjee, D.Jenkins, C.J.Lister, E.T.Mirgule, A.Mitra, R.G.Pillay, K.Ramachandran, O.J.Roberts, P.C.Rout, A.Shrivastava, P.Sugathan

Electromagnetic Transition from the 4+ to 2+ Resonance in 8Be Measured via the Radiative Capture in 4He+4He

NUCLEAR REACTIONS 4He(α, γ), E=19-29 MeV; measured reaction products, Eγ, Iγ; deduced σ; calculated energy levels, proton radii, quadrupole moments, B(E2). Green Function Monte Carlo method, comparison with available data.

doi: 10.1103/PhysRevLett.111.062502
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2013PA10      Phys.Rev. C 87, 035503 (2013)

S.Pastore, S.C.Pieper, R.Schiavilla, R.B.Wiringa

Quantum Monte Carlo calculations of electromagnetic moments and transitions in A≤9 nuclei with meson-exchange currents derived from chiral effective field theory

NUCLEAR STRUCTURE 2,3H, 3He, 6,7,8,9Li, 7,9Be, 8,9B, 9C; calculated levels, J, π, isospin, nucleon radii, magnetic dipole moments, electric quadrupole moments, magnetic density, M1 and E2 transition widths and matrix elements. Green¬Ěs function Monte Carlo (GFMC) calculations using realistic Argonne ν18 two-nucleon and Illinois-7 three-nucleon potentials, with inclusion of two-body meson-exchange current (MEC) operators for magnetic moments and M1 transitions. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.035503
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2013WI08      Phys.Rev. C 88, 044333 (2013)

R.B.Wiringa, S.Pastore, S.C.Pieper, G.A.Miller

Charge-symmetry breaking forces and isospin mixing in 8Be

NUCLEAR STRUCTURE 8Be; calculated levels, J, π, isospin-mixing (IM) matrix elements, isovector energy differences of mirror nuclei 8Be and 8Li; evaluated charge-symmetry breaking (CSB) components of the AV18 potential, contribution from one-photon, one-pion, one-ρ, and ρ-ω mixing. Green's function Monte Carlo (GFMC) calculations with realistic Argonne ν18 (AV18) two-nucleon and Illinois-7 three-nucleon potentials. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.044333
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2012GR13      Phys.Rev. C 86, 024315 (2012)

G.F.Grinyer, D.Bazin, A.Gade, J.A.Tostevin, P.Adrich, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, S.McDaniel, A.Obertelli, K.Siwek, J.R.Terry, D.Weisshaar, R.B.Wiringa

Systematic study of p-shell nuclei via single-nucleon knockout reactions

NUCLEAR REACTIONS 9Be(7Li, p), (9Li, n), (10Be, p), (10Be, n), E=80 MeV/nucleon; 9Be(7Li, n), (10C, n), (10Be, n), E=120 MeV/nucleon; 9Be(9C, p), E=100 MeV/nucleon; C(9Li, n), E=80 MeV/nucleon; C(10C, n), E=120 MeV/nucleon; measured energy loss, time of flight, longitudinal-momentum distribution, nondispersive and dispersive angular plots, inclusive σ in single-nucleon knockout reactions at NSCL facility. Secondary beams of 9Be, 9Li, 10Be, 9,10C from 9Be(16O, X), E=150 MeV primary reaction. Comparison with shell-model calculations with Hartree-Fock structure inputs, and with variational Monte Carlo (VMC) calculations.

doi: 10.1103/PhysRevC.86.024315
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2012KA33      Phys.Rev. C 86, 044601 (2012)

K.Kaki, Y.Suzuki, R.B.Wiringa

Polarized proton+4, 6, 8He elastic scattering with breakup effects in the eikonal approximation

NUCLEAR REACTIONS 4,6,8He(polarized p, p), E=71, 300, 500 MeV; calculated rms radii, density distribution, optical potential, σ(θ), analyzing powers. Glauber model. Pauli-blocking effect. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.044601
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2012MC03      Phys.Rev. C 86, 014312 (2012)

E.A.McCutchan, C.J.Lister, StevenC.Pieper, R.B.Wiringa, D.Seweryniak, J.P.Greene, P.F.Bertone, M.P.Carpenter, C.J.Chiara, G.Gurdal, C.R.Hoffman, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, S.Zhu

Lifetime of the 21+ state in 10C

NUCLEAR REACTIONS 1H(10B, n)10C, E=95 MeV; measured Eγ, Iγ, (10C)γ-coin, energy loss versus total energy plot, DSA, half-life of first 2+ state using Gammasphere array and FMA at ANL facility; deduced B(E2). Comparison with B(E2) value for 10Be, and with calculations using VMC and GFMC methods.

NUCLEAR STRUCTURE 10Be, 10B, 10C; calculated energies of ground states and first two 2+ states, ground-state charge radii, quadrupole moments, B(E2) values. VMC and GFMC methods with AV18+IL7 interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.014312
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2011BR14      Phys.Rev. C 84, 024319 (2011)

I.Brida, S.C.Pieper, R.B.Wiringa

Quantum Monte Carlo calculations of spectroscopic overlaps in A≤7 nuclei

NUCLEAR STRUCTURE 3H, 4,6He, 7Li; calculated imaginary time evolution of spectroscopic factors. 2,3H, 3,4,6,7He, 6,7Li, 7Be; calculated binding energies, core-valence separation energies, spectroscopic factors and shell overlaps, asymptotic normalization coefficients (ANCs). Vibrational Monte Carlo (VMC), Green's function Monte Carlo (GFMC) methods. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.024319
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2011EN03      Phys.Rev. C 83, 034317 (2011)

J.Engel, J.Carlson, R.B.Wiringa

Jastrow functions in double-β decay

RADIOACTIVITY 82Se(2β-); analyzed applicability of Jastrow functions with two-body cluster approximation in calculating matrix elements for neutrinoless double β decay; comparison with unitary correlation operator method (UCOM) and Brueckner methods. Short-range correlation effects in double β decay.

doi: 10.1103/PhysRevC.83.034317
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2011GR08      Phys.Rev.Lett. 106, 162502 (2011)

G.F.Grinyer, D.Bazin, A.Gade, J.A.Tostevin, P.Adrich, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, S.McDaniel, P.Navratil, A.Obertelli, S.Quaglioni, K.Siwek, J.R.Terry, D.Weisshaar, R.B.Wiringa

Knockout Reactions from p-Shell Nuclei: Tests of Ab Initio Structure Models

NUCLEAR REACTIONS Be(10Be, n)9Be, Be(10C, n)9C, C(10C, n)9C, E=80, 120 MeV/nucleon; measured reaction products. 10Be, 10C; deduced σ, three-body forces. Variational Monte Carlo, no core shell model ab initio calculations.

doi: 10.1103/PhysRevLett.106.162502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1830.


2011NO03      Phys.Rev. C 83, 041001 (2011)

K.M.Nollett, R.B.Wiringa

Asymptotic normalization coefficients from ab initio calculations

NUCLEAR STRUCTURE 3H, 3,4He, 7,8,9Li, 7,9Be, 8B, 9C; calculated asymptotic normalization coefficients for one-nucleon removal using Monte Carlo solutions to the many-body Schrodinger equation. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.041001
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2010LI49      Bull.Am.Phys.Soc. 55, MG5 (2010)

C.J.Lister, E.A.McCutchan, R.B.Wiringa, S.C.Pieper, D.Seweryniak, J.P.Greene, P.F.Bertone, M.P.Carpenter, C.R.Hoffman, G.Henning, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, S.Shu, G.Gurdal, C.J.Chiara

A precise determination of the 10C excited state lifetime

NUCLEAR REACTIONS 1H(10B, n)10C, E=95 MeV; measured reaction products, Eγ, Iγ; deduced excited state lifetime, B(E2). Doppler Shift Attenuation Method (DSAM).


2009FL01      Phys.Rev. C 79, 034302 (2009)

V.V.Flambaum, R.B.Wiringa

Enhanced effect of quark mass variation in 229Th and limits from Oklo data

NUCLEAR STRUCTURE 229Th, 150Sm; calculated enhancement of effects of variation of quark mass and strong interaction parameter on the 7.6-eV transition from the first excited state in 229Th and on the 0.1 eV resonance in 150Sm from extrapolations of calculations for light nuclei. 2,3H, 3,4,5,6,7He, 6,7Li, 7,8,9Be; calculated variations of nuclear binding energies, spin-orbit intervals, nuclear radius, shifts of nuclear resonances and weakly-bound energy levels. Comparisons with data from Oklo natural reactor and estimates from Walecka model.

doi: 10.1103/PhysRevC.79.034302
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2009MC02      Phys.Rev.Lett. 103, 192501 (2009)

E.A.McCutchan, C.J.Lister, R.B.Wiringa, Steven C.Pieper, D.Seweryniak, J.P.Greene, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, I.Stefanescu, S.Zhu

Precise Electromagnetic Tests of Ab Initio Calculations of Light Nuclei: States in 10Be

NUCLEAR REACTIONS 7Li(7Li, α)10Be, E=8, 10 MeV; measured Eγ, Iγ; deduced lifetime, B(E2) values for 10Be. DSAM technique, comparison with ab initio calculations.

doi: 10.1103/PhysRevLett.103.192501
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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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2008KA04      Phys.Lett. B 660, 26 (2008)

R.Kanungo, A.N.Andreyev, L.Buchmann, B.Davids, G.Hackman, D.Howell, P.Khalili, B.Mills, E.Padilla-Rodal, Steven C.Pieper, J.Pearson, C.Ruiz, G.Ruprecht, A.Shotter, I.Tanihata, C.Vockenhuber, P.Walden, R.B.Wiringa

Spectroscopic factors for the 9Li ground state and N = 6 shell closure

NUCLEAR REACTIONS 2H(9Li, t), (9Li, d), E=1.68 MeV/nucleon; measured σ(θ); deduced spectroscopic factors.

doi: 10.1016/j.physletb.2007.12.024
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1604.


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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2008WI08      Phys.Rev. C 78, 021001 (2008)

R.B.Wiringa, R.Schiavilla, Steven C.Pieper, J.Carlson

Dependence of two-nucleon momentum densities on total pair momentum

NUCLEAR STRUCTURE 3,4He; calculated dependence of two-nucleon momentum distributions for ground states on total pair momentum using variational Monte Carlo wave functions.

doi: 10.1103/PhysRevC.78.021001
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2008WU05      Phys.Rev. C 78, 041302 (2008)

A.H.Wuosmaa, J.P.Schiffer, K.E.Rehm, J.P.Greene, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, J.C.Lighthall, S.T.Marley, E.F.Moore, R.C.Pardo, N.Patel, M.Paul, D.Peterson, S.C.Pieper, G.Savard, R.E.Segel, R.H.Siemssen, X.D.Tang, R.B.Wiringa

Structure of 7He by proton removal from 8Li with the (d, 3He) reaction

NUCLEAR REACTIONS 2H(8Li, 3He), E=76 MeV; 2H(7Li, t), (7Li, 3He), E=81 MeV; measured charged particle spectra, (particle)(particle)-coin, angular distributions, σ, σ(θ), spectroscopic factors. 7He; deduced levels, J, π. Comparisons with data from 2H(6He, p) experiment. Comparisons with nuclear structure models and variational quantum Monte Carlo calculations.

doi: 10.1103/PhysRevC.78.041302
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1789. Data from this article have been entered in the XUNDL database. For more information, click here.


2007FL02      Phys.Rev. C 76, 054002 (2007)

V.V.Flambaum, R.B.Wiringa

Dependence of nuclear binding on hadronic mass variation

NUCLEAR STRUCTURE 2,3H, 3,4,5He, 6,7Li, 7,8Be; calculated ground-state energies, multi-nucleon energies using various Hamiltonians.

doi: 10.1103/PhysRevC.76.054002
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2007NO10      Phys.Rev.Lett. 99, 022502 (2007)

K.M.Nollett, S.C.Pieper, R.B.Wiringa, J.Carlson, G.M.Hale

Quantum Monte Carlo Calculations of Neutron-α Scattering

doi: 10.1103/PhysRevLett.99.022502
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2007PE34      Phys.Rev. C 76, 064319 (2007)

M.Pervin, Steven C.Pieper, R.B.Wiringa

Quantum Monte Carlo calculations of electroweak transition matrix elements in A = 6, 7 nuclei

RADIOACTIVITY 6He, 7Be (β-); calculated B(GT), log(ft) values. 6,7Li, 6,7Be; calculated electromagneitc transition rates B(M1) and B(E2), transition widths. Used Greens' function Monte Carlo model.

doi: 10.1103/PhysRevC.76.064319
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2007SC06      Phys.Rev.Lett. 98, 132501 (2007)

R.Schiavilla, R.B.Wiringa, S.C.Pieper, J.Carlson

Tensor Forces and the Ground-State Structure of Nuclei

NUCLEAR STRUCTURE 3,4He, 6Li, 8Be; calculated two-nucleon momentum distributions; deduced effect of tensor forces. Variational Monte Carlo wave functions.

doi: 10.1103/PhysRevLett.98.132501
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2007WU05      Eur.Phys.J. Special Topics 150, 79 (2007)

A.H.Wuosmaa, K.E.Rehm, J.P.Greene, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, J.C.Lighthall, S.T.Marley, E.F.Moore, R.C.Pardo, N.Patel, M.Paul, D.Peterson, S.C.Pieper, G.Savard, J.P.Schiffer, R.E.Segal, R.H.Siemssen, S.Sinha, X.Tang, R.B.Wiringa

Nucleon transfer reactions with exotic beams at ATLAS

doi: 10.1140/epjst/e2007-00271-y
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1886.


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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2006WI07      Phys.Rev. C 73, 034317 (2006)

R.B.Wiringa

Pair counting, pion-exchange forces and the structure of light nuclei

NUCLEAR STRUCTURE 2,3H, 4,5,6,7,8,9,10He, 6,7,8,9,10Li, 7,8,9,10Be, 7,8,10B, 8,12C; calculated levels, pair structure, one-pion-exchange forces.

doi: 10.1103/PhysRevC.73.034317
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2005WU03      Phys.Rev.Lett. 94, 082502 (2005)

A.H.Wuosmaa, K.E.Rehm, J.P.Greene, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, E.F.Moore, R.C.Pardo, M.Paul, D.Peterson, S.C.Pieper, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, X.Tang, R.B.Wiringa

Neutron Spectroscopic Factors in 9Li from 2H(8Li, p)9Li

NUCLEAR REACTIONS 2H(8Li, p), E ≈ 76 MeV; measured Ep, excitation energy spectra, σ(θ). 9Li deduced levels, J, π, spectroscopic factors. Comparison with model predictions.

doi: 10.1103/PhysRevLett.94.082502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1198.


2005WU08      Phys.Rev. C 72, 061301 (2005)

A.H.Wuosmaa, K.E.Rehm, J.P.Greene, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, E.F.Moore, R.C.Pardo, M.Paul, D.Peterson, Steven C.Pieper, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, X.Tang, R.B.Wiringa

Search for excited states in 7He with the (d, p) reaction

NUCLEAR REACTIONS 2H(6He, p), E=69 MeV; 2H(7Li, p), E=81 MeV; measured particle spectra, σ(θ). 7He deduced ground-state J, π, excited state energy, width.

doi: 10.1103/PhysRevC.72.061301
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1407.


2004CH65      Nucl.Phys. A746, 215c (2004)

S.-Y.Chang, J.Morales, Jr., V.R.Pandharipande, D.G.Ravenhall, J.Carlson, S.C.Pieper, R.B.Wiringa, K.E.Schmidt

Neutron matter: a superfluid gas

doi: 10.1016/j.nuclphysa.2004.09.119
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2004PI09      Phys.Rev. C 70, 054325 (2004)

S.C.Pieper, R.B.Wiringa, J.Carlson

Quantum Monte Carlo calculations of excited states in A = 6-8 nuclei

NUCLEAR STRUCTURE 4,6,7,8He, 6,7,8Li, 8Be; calculated ground and excited states energies. Green's function Monte Carlo approach, comparison with data.

doi: 10.1103/PhysRevC.70.054325
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2003WI13      Phys.Rev. C 68, 054006 (2003)

R.B.Wiringa, A.Arriaga, V.R.Pandharipande

Quadratic momentum dependence in the nucleon-nucleon interaction

NUCLEAR STRUCTURE 2H; calculated binding energy, radius, μ, quadrupole moment. 3H, 3,4He; calculated binding energies, role of quadratic momentum-dependent terms.

doi: 10.1103/PhysRevC.68.054006
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2002PI19      Phys.Rev. C66, 044310 (2002)

S.C.Pieper, K.Varga, R.B.Wiringa

Quantum Monte Carlo calculations of A = 9, 10 nuclei

NUCLEAR STRUCTURE 9Li, 9,10Be, 10B; calculated ground and excited states energies, radii, μ. Quantum Monte Carlo approach, comparison with data.

doi: 10.1103/PhysRevC.66.044310
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2002SC18      Phys.Rev. C65, 054302 (2002)

R.Schiavilla, R.B.Wiringa

Weak Transitions in A = 6 and 7 Nuclei

RADIOACTIVITY 6He(β-); 7Be(EC); calculated decay matrix elements, T1/2, branching ratios. Variational Monte Carlo wave functions, comparison with data.

NUCLEAR STRUCTURE 6He, 6,7Li, 7Be; calculated binding energies, radii. Variational Monte Carlo wave functions, comparison with other models and data.

doi: 10.1103/PhysRevC.65.054302
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2002VA17      Phys.Rev. C66, 034611 (2002)

K.Varga, S.C.Pieper, Y.Suzuki, R.B.Wiringa

Monte Carlo Integration in Glauber Model Analysis of Reactions of Halo Nuclei

NUCLEAR REACTIONS 4,6He, 6Li, 12C(p, X), 4He(α, X), 12C(6He, X), (6Li, X), (12C, X), E ≈ 0.7 GeV/nucleon; calculated reaction σ. 4He(α, α), E at 5.07 GeV/c; 4,6He, 6Li(p, p), E=0.7 GeV; 12C(p, p), (α, α), (6He, 6He), (12C, 12C), E=0.8 GeV/nucleon; calculated σ(θ). Glauber model, Monte Carlo integration, comparisons with data.

doi: 10.1103/PhysRevC.66.034611
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2002WI14      Phys.Rev.Lett. 89, 182501 (2002)

R.B.Wiringa, S.C.Pieper

Evolution of Nuclear Spectra with Nuclear Forces

NUCLEAR STRUCTURE 4,5,6,8He, 6,7Li, 8Be, 10B; calculated levels, J, π. Comparison of several nuclear force models.

doi: 10.1103/PhysRevLett.89.182501
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2002WI19      Prog.Theor.Phys.(Kyoto), Suppl. 146, 403 (2002)

R.B.Wiringa

Quantum Monte Carlo Calculations of Light Nuclei

NUCLEAR STRUCTURE 4,6,8He, 6,7,8,9Li, 8,9,10Be, 10B; calculated ground and excited states energies, J, π, configurations. Green's function Monte Carlo approach, comparison with data.

doi: 10.1143/PTPS.146.403
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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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2001LE01      Phys.Rev. C63, 014006 (2001)

T.-S.H.Lee, R.B.Wiringa

Quantum Monte Carlo Calculations of Pion Scattering from Li

NUCLEAR STRUCTURE 6,7Li; calculated transitions B(E2), transition densities. Quantum Monte-Carlo approach.

NUCLEAR REACTIONS 6Li(π-, π-), (π-, π-'), E=100-240 MeV; 7Li(π+, π+'), (π-, π-'), E=164 MeV; calculated σ(θ). Quantum Monte-Carlo approach, comparisons with data.

doi: 10.1103/PhysRevC.63.014006
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2001NO01      Phys.Rev. C63, 024003 (2001)

K.M.Nollett, R.B.Wiringa, R.Schiavilla

Six-Body Calculation of the α-Deuteron Radiative Capture Cross Section

NUCLEAR REACTIONS 2H(α, γ), E < 3 MeV; calculated σ, S-factors, multipole contributions. Six-body wavefunction, variational Monte Carlo method. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.63.024003
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2001PI07      Phys.Rev. C64, 014001 (2001)

S.C.Pieper, V.R.Pandharipande, R.B.Wiringa, J.Carlson

Realistic Models of Pion-Exchange Three-Nucleon Interactions

NUCLEAR STRUCTURE 7,8n, 3H, 3,4,6,7,8He, 6,7,8Li, 8Be; calculated levels, J, π, radii, μ, quadrupole moments. Pion-exchange three-nucleon interactions.

doi: 10.1103/PhysRevC.64.014001
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2001PI16      Ann.Rev.Nucl.Part.Sci. 51, 53 (2001)

S.C.Pieper, R.B.Wiringa

Quantum Monte Carlo Calculations of Light Nuclei

doi: 10.1146/annurev.nucl.51.101701.132506
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2000LA17      Nucl.Phys. A663-664, 377c (2000)

L.Lapikas, J.Wesseling, R.B.Wiringa

Correlations in the Ground-State Wave Function of 7Li

NUCLEAR REACTIONS 7Li, 32S(e, e'p), E not given; measured excitation energy spectra, momentum distributions; deduced structure effects. Comparison with variational Monte Carlo and mean-field calculations.

doi: 10.1016/S0375-9474(99)00621-1
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2000WI09      Phys.Rev. C62, 014001 (2000)

R.B.Wiringa, S.C.Pieper, J.Carlson, V.R.Pandharipande

Quantum Monte Carlo Calculations of A = 8 Nuclei

NUCLEAR STRUCTURE 4,6,7,8He, 6,7,8Li, 8Be; calculated levels, J, π, density distributions. 8He, 8Li, 8Be, 8B, 8C; calculated radii, μ, quadrupole moments. Quantum Monte Carlo approach, constrained path algorithm. Comparisons with data.

doi: 10.1103/PhysRevC.62.014001
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1999LA13      Phys.Rev.Lett. 82, 4404 (1999)

L.Lapikas, J.Wesseling, R.B.Wiringa

Nuclear Structure Studies with the 7Li(e, e'p) Reaction

NUCLEAR REACTIONS 7Li(e, e'p), E=329.7, 454.7 MeV; measured σ(E, θ); deduced momentum distributions. 6He levels deduced spectroscopic factors, radii. Comparison with variational Monte Carlo calculation predictions.

doi: 10.1103/PhysRevLett.82.4404
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1998SC31      Phys.Rev. C58, 1263 (1998)

R.Schiavilla, V.G.J.Stoks, W.Glockle, H.Kamada, A.Nogga, J.Carlson, R.Machleidt, V.R.Pandharipande, R.B.Wiringa, A.Kievsky, S.Rosati, M.Viviani

Weak Capture of Protons by Protons

NUCLEAR REACTIONS 1H(p, e+ν), E not given; calculated weak capture σ, axial matrix elements.

doi: 10.1103/PhysRevC.58.1263
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1998WI10      Nucl.Phys. A631, 70c (1998)

R.B.Wiringa

Quantum Monte Carlo Calculations for Light Nuclei

NUCLEAR STRUCTURE 6,7,8He, 6,7,8Li, 8Be; calculated ground, excited states properties. 2,3H, 3,4,6,8He, 6,7,8Li, 6,7,8Be, 8B, 8C; calculated proton radii. Quantum Monte Carlo methods. Comparisons with data.

NUCLEAR REACTIONS 6Li(e, e), (e, e'), E not given; calculated form factors. Quantum Monte Carlo methods. Comparison with data.

doi: 10.1016/S0375-9474(98)00016-5
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1998WI28      Phys.Rev.Lett. 81, 4317 (1998)

R.B.Wiringa, R.Schiavilla

Microscopic Calculation of 6Li Elastic and Transition Form Factors

NUCLEAR STRUCTURE 6Li; calculated elastic, transition form factors. Variational Monte Carlo functions. Comparison with data.

doi: 10.1103/PhysRevLett.81.4317
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1997PU03      Phys.Rev. C56, 1720 (1997)

B.S.Pudliner, V.R.Pandharipande, J.Carlson, S.C.Pieper, R.B.Wiringa

Quantum Monte Carlo Calculations of Nuclei with A ≤ 7

NUCLEAR STRUCTURE 2,3H, 4,6,7He, 6,7Li; calculated ground-state, excited level properties, charge radii, binding energies, neutron, proton densities, two-nucleon densities for some nuclei. Quantum Monte Carlo methods, two-, three-nucleon potentials.

doi: 10.1103/PhysRevC.56.1720
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1996FO04      Phys.Rev. C54, 646 (1996)

J.L.Forest, V.R.Pandharipande, S.C.Pieper, R.B.Wiringa, R.Schiavilla, A.Arriaga

Femtometer Toroidal Structures in Nuclei

NUCLEAR STRUCTURE 2H, 3,4He, 6,7Li, 16O; calculated two-nucleon density distribution; deduced shape features.

doi: 10.1103/PhysRevC.54.646
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1995AR22      Phys.Rev. C52, 2362 (1995)

A.Arriaga, V.R.Pandharipande, R.B.Wiringa

Three-Body Correlations in Few-Body Nuclei

NUCLEAR STRUCTURE 4He, 3H; calculated binding energy; deduced three-body correlations role. Variational procedure, comparison with Faddeev approach.

doi: 10.1103/PhysRevC.52.2362
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1995PU05      Phys.Rev.Lett. 74, 4396 (1995)

B.S.Pudliner, V.R.Pandharipande, J.Carlson, R.B.Wiringa

Quantum Monte Carlo Calculations of A ≤ 6 Nuclei

NUCLEAR STRUCTURE 2,3H, 6,5,3,4He, 6Li, 6Be; calculated spectra, neutron, proton radii. Quantum Monte Carlo techniques.

doi: 10.1103/PhysRevLett.74.4396
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1995WI02      Phys.Rev. C51, 38 (1995)

R.B.Wiringa, V.G.J.Stoks, R.Schiavilla

Accurate Nucleon-Nucleon Potential with Charge-Independence Breaking

NUCLEAR STRUCTURE 2H; calculated binding energy, D-state probability, μ, quadrupole moment, asymptotic properties, structure functions, tensor polarization. Nonrelativistic NN-potential, np, nn, pp scattering data analyzed.

doi: 10.1103/PhysRevC.51.38
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1994PA03      Phys.Rev. C49, 789 (1994)

V.R.Pandharipande, J.Carlson, S.C.Pieper, R.B.Wiringa, R.Schiavilla

Isovector Spin-Longitudinal and -Transverse Response of Nuclei

NUCLEAR STRUCTURE 2H, 4He, 16O; calculated two-body density, sum, energy-weighted sum of isovector spin-longitudinal, -transverse responses. Realistic interactions.

doi: 10.1103/PhysRevC.49.789
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1993SC17      Phys.Rev.Lett. 70, 3856 (1993)

R.Schiavilla, R.B.Wiringa, J.Carlson

Coulomb Sum and Proton-Proton Correlations in Few-Body Nuclei

NUCLEAR STRUCTURE 3,4He, 3H; calculated longitudinal-longitudinal distribution function.

doi: 10.1103/PhysRevLett.70.3856
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1992PI17      Phys.Rev. C46, 1741 (1992)

S.C.Pieper, R.B.Wiringa, V.R.Pandharipande

Variational Calculation of the Ground State of 16O

NUCLEAR STRUCTURE 16O; calculated binding energy, nucleon density, momentum distributions, charge form factor, longitudinal structure function. Variational calculations, Monte Carlo methods.

doi: 10.1103/PhysRevC.46.1741
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1992SC12      Phys.Rev. C45, 2628 (1992)

R.Schiavilla, R.B.Wiringa, V.R.Pandharipande, J.Carlson

Effects of Δ-Isobar Degrees of Freedom on Low-Energy Electroweak Transitions in Few-Body Nuclei

NUCLEAR STRUCTURE 3H(β-); calculated different contributions to Gamow-Teller matrix element. Variational wave functions with Δ-isobar components.

NUCLEAR REACTIONS 3He(n, γ), E=thermal; calculated different contributions to the radiative capture reaction. 3He(p, e+ν), E not given; calculated weak capture reaction matrix element. Variational wave functions with Δ-isobar components.

doi: 10.1103/PhysRevC.45.2628
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1992WI07      Nucl.Phys. A543, 199c (1992)

R.B.Wiringa

Monte Carlo Calculations of Few-Body and Light Nuclei

NUCLEAR STRUCTURE 3H, 4,5He, 6Li; compiled binding, breakup energy results. 16O, 40Ca; calculated binding energy. Variational Monte Carlo techniques.

doi: 10.1016/0375-9474(92)90419-K
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1991CA16      Phys.Rev. C44, 619 (1991)

J.Carlson, D.O.Riska, R.Schiavilla, R.B.Wiringa

Weak Proton Capture Reactions on 1H and 3He and Tritium β Decay

NUCLEAR REACTIONS 3He, 1H(p, e+ν), E=low; calculated weak capture σ; deduced exchange contribution role. Realistic wave function.

doi: 10.1103/PhysRevC.44.619
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1991WI05      Phys.Rev. C43, 1585 (1991)

R.B.Wiringa

Variational Calculations of Few-Body Nuclei

NUCLEAR STRUCTURE 3H, 4,3He; calculated binding energies, form factors, magnetic moments. Variational Monte Carlo.

doi: 10.1103/PhysRevC.43.1585
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1990CA28      Phys.Rev. C42, 830 (1990)

J.Carlson, D.O.Riska, R.Schiavilla, R.B.Wiringa

Radiative Neutron Capture on 3He

NUCLEAR REACTIONS 3He(n, γ), E=thermal; calculated σ; deduced scattering length dependence. Monte Carlo variational methods.

doi: 10.1103/PhysRevC.42.830
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1990PI02      Phys.Rev.Lett. 64, 364 (1990)

S.C.Pieper, R.B.Wiringa, V.R.Pandharipande

Ground State of 16O

NUCLEAR STRUCTURE 16O; calculated charge density distribution, longitudinal structure function. Variational method.

doi: 10.1103/PhysRevLett.64.364
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1987SC25      Nucl.Phys. A473, 267 (1987)

R.Schiavilla, D.S.Lewart, V.R.Pandharipande, S.C.Pieper, R.B.Wiringa, S.Fantoni

Structure Functions and Correlations in Nuclei

NUCLEAR STRUCTURE 3H, 4,3He; calculated static longitudinal, structure functions. Faddeev, variational calculations.

doi: 10.1016/0375-9474(87)90145-X
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1986KE07      Phys.Lett. 173B, 5 (1986)

B.D.Keister, R.B.Wiringa

Implications of Dirac Nucleon Dynamics for the Binding of Light Nuclei

NUCLEAR STRUCTURE 3H, 4He; calculated binding energy. Dirac nucleon dynamical model.

doi: 10.1016/0370-2693(86)91219-0
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1986SC03      Nucl.Phys. A449, 219 (1986)

R.Schiavilla, V.R.Pandharipande, R.B.Wiringa

Momentum Distributions in A = 3 and 4 Nuclei

NUCLEAR STRUCTURE 2,3H, 3,4He; calculated binding energy, nucleon rms radii, charge radius. 3He; calculated d+p amplitudes. 4He; calculated t+p, d+d amplitudes, nucleon momentum distributions. 3He deduced number. 4He deduced deuteron, triton number. Monte Carlo method.

doi: 10.1016/0375-9474(86)90003-5
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1984CA20      Nucl.Phys. A424, 47 (1984)

J.Carlson, V.R.Pandharipande, R.B.Wiringa

Variational Calculations of Resonant States in 4He

NUCLEAR STRUCTURE 4He; calculated resonances widths, variational calculations, realistic two-, three-nucleon interactions.

NUCLEAR REACTIONS 3H(p, p), E=low; calculated 0-, 2- phase shifts. Variational calculations, realistic two-, three-nucleon interactions, modified R-matrix.

doi: 10.1016/0375-9474(84)90127-1
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1984WI05      Phys.Rev. C29, 1207 (1984)

R.B.Wiringa, R.A.Smith, T.L.Ainsworth

Nucleon-Nucleon Potentials with and without Δ(1232) Degrees of Freedom

NUCLEAR REACTIONS 1n, 1H(p, p), E ≈ 25-400 MeV; calculated phase shifts vs E. Nucleon-nucleon potentials with, without isobar degrees of freedom.

NUCLEAR STRUCTURE 2H; calculated wave function, binding energy, quadrupole, magnetic moments, D-state probability. Nucleon-nucleon potentials with, without isobar degrees of freedom.

doi: 10.1103/PhysRevC.29.1207
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1984WI12      Phys.Lett. 143B, 273 (1984)

R.B.Wiringa, J.L.Friar, B.F.Gibson, G.L.Payne, C.R.Chen

Faddeev Monte-Carlo Calculations of Trinucleon Binding Energy with Three-Body Potentials

NUCLEAR STRUCTURE 3H, 3He; calculated binding energy, charge rms radii. Configuration space Faddeev wave functions, Monte Carlo integrations.

doi: 10.1016/0370-2693(84)91464-3
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1983CA10      Nucl.Phys. A401, 59 (1983)

J.Carlson, V.R.Pandharipande, R.B.Wiringa

Three-Nucleon Interaction in 3-, 4- and Infinite-Body Systems

NUCLEAR STRUCTURE 3H, 3,4He; calculated proton, neutron density distribution, charge form factors. 3H, 3He; calculated μ. Variational calculation, three-nucleon interaction.

doi: 10.1016/0375-9474(83)90336-6
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1983FR20      Phys.Rev.Lett. 51, 763 (1983)

B.L.Friman, V.R.Pandharipande, R.B.Wiringa

Calculations of Pion Excess in Nuclei

NUCLEAR STRUCTURE 2H, 3,4He, 27Al, 56Fe, 208Pb; calculated pion excess, isobar fraction. Static potential approximation, realistic Hamiltonian, variational wave functions.

doi: 10.1103/PhysRevLett.51.763
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1983WI05      Nucl.Phys. A401, 86 (1983)

R.B.Wiringa

Interplay between Two- and Three-Body Interaction in Light Nuclei and Nuclear Matter

NUCLEAR STRUCTURE 3H, 3,4He; calculated rms charge radii, Coulomb energies. 3He; calculated charge form factor. New two-body potential.

doi: 10.1016/0375-9474(83)90337-8
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