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NSR database version of April 11, 2024.

Search: Author = S.Bacca

Found 61 matches.

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2024SO05      Phys.Rev. C 109, 025502 (2024)

J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen

40Ca transverse response function from coupled-cluster theory

doi: 10.1103/PhysRevC.109.025502
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2023AN15      J.Phys.(London) G50, 120501 (2023)

A.M.Ankowski, A.Ashkenazi, S.Bacca, J.L.Barrow, M.Betancourt, A.Bodek, M.E.Christy, L.Doria, S.Dytman, A.Friedland, O.Hen, C.J.Horowitz, N.Jachowicz, W.Ketchum, T.Lux, K.Mahn, C.Mariani, J.Newby, V.Pandey, A.Papadopoulou, E.Radicioni, F.Sanchez, C.Sfienti, J.M.Udias, L.Weinstein, L.Alvarez-Ruso, J.E.Amaro, C.A.Arguelles, A.B.Balantekin, S.Bolognesi, V.Brdar, P.Butti, S.Carey, Z.Djurcic, O.Dvornikov, S.Edayath, S.Gardiner, J.Isaacson, W.Jay, A.Klustova, K.S.McFarland, A.Nikolakopoulos, A.Norrick, S.Pastore, G.Paz, M.H.Reno, I.Ruiz Simo, J.E.Sobczyk, A.Sousa, N.Toro, Y.-D.Tsai, M.Wagman, J.G.Walsh, G.Yang

Electron scattering and neutrino physics

doi: 10.1088/1361-6471/acef42
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2023FE08      Phys. Rev. Res. 5, L022044 (2023)

R.W.Fearick, P.von Neumann-Cosel, S.Bacca, J.Birkhan, F.Bonaiti, I.Brandherm, G.Hagen, H.Matsubara, W.Nazarewicz, N.Pietralla, V.Yu.Ponomarev, P.-G.Reinhard, X.Roca-Maza, A.Richter, A.Schwenk, J.Simonis, and A.Tamii

Electric dipole polarizability of 40Ca

NUCLEAR REACTIONS 40Ca(p, p'), E=5-25 MeV; measured reaction products, Ep, Ip; deduced electric dipole strength distribution, σ(θ, E). Comparison with available data. The Grand Raiden spectrometer, RCNP, Osaka.

doi: 10.1103/PhysRevResearch.5.L022044
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2023GI06      Phys.Rev.Lett. 130, 232301 (2023)

S.Giraud, J.C.Zamora, R.G.T.Zegers, D.Bazin, Y.Ayyad, S.Bacca, S.Beceiro Novo, B.A.Brown, A.Carls, J.Chen, M.Cortesi, M.DeNudt, G.Hagen, C.Hultquist, C.Maher, W.Mittig, F.Ndayisabye, S.Noji, S.J.Novario, J.Pereira, Z.Rahman, J.Schmitt, M.Serikow, L.J.Sun, J.Surbrook, N.Watwood, T.Wheeler

β+ Gamow-Teller Strengths from Unstable 14O via the (d, 2He) Reaction in Inverse Kinematics

NUCLEAR REACTIONS 2H(14O, 2He), E=105 MeV/nucleon; measured reaction products. 14O; deduced σ(θ), B(GT) or Gamow-Teller transition strength. Comparison with available data. The Coupled Cyclotron Facility at the National Superconducting Cyclotron Laboratory (NSCL), MSU.

doi: 10.1103/PhysRevLett.130.232301
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Data from this article have been entered in the XUNDL database. For more information, click here.


2023KE04      Phys.Rev.Lett. 130, 152502 (2023)

S.Kegel, P.Achenbach, S.Bacca, N.Barnea, J.Bericic, D.Bosnar, L.Correa, M.O.Distler, A.Esser, H.Fonvieille, I.Friscic, M.Heilig, P.Herrmann, M.Hoek, P.Klag, T.Kolar, W.Leidemann, H.Merkel, M.Mihovilovic, J.Muller, U.Muller, G.Orlandini, J.Pochodzalla, B.S.Schlimme, M.Schoth, F.Schulz, C.Sfienti, S.Sirca, R.Spreckels, Y.Stottinger, M.Thiel, A.Tyukin, T.Walcher, A.Weber

Measurement of the α-Particle Monopole Transition Form Factor Challenges Theory: A Low-Energy Puzzle for Nuclear Forces?

NUCLEAR REACTIONS 4He(e-, e-'), E=450, 690, 795 MeV; measured reaction products; deduced missing mass spectrum, monopole transition form factor, resonance parameters, modern nuclear forces, including those derived within chiral effective field theory fail to reproduce the excitation of the α particle. The Mainz Microtron MAMI.

doi: 10.1103/PhysRevLett.130.152502
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2023SE18      Phys.Rev. C 108, 054005 (2023)

R.Seutin, O.J.Hernandez, T.Miyagi, S.Bacca, K.Hebeler, S.Konig, A.Schwenk

Magnetic dipole operator from chiral effective field theory for many-body expansion methods

doi: 10.1103/PhysRevC.108.054005
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2022AK02      Phys.Rev. C 105, 024301 (2022)

K.Akdogan, D.Layh, I.Weinberger, J.Simonis, N.Barnea, S.Bacca

Removing center of mass effects in response function and sum rule calculations based on the harmonic oscillator basis

doi: 10.1103/PhysRevC.105.024301
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2022BO02      Phys.Rev. C 105, 034313 (2022)

F.Bonaiti, S.Bacca, G.Hagen

Ab initio coupled-cluster calculations of ground and dipole excited states in 8He

NUCLEAR STRUCTURE 8He; calculated ground-state energy, point-proton radius, dipole response function, dipole polarizability. Coupled-cluster calculations with the inclusion of leading-order three-particle three-hole excitations in the cluster operator. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.034313
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2022LI43      J.Phys.(London) G49, 105101 (2022)

S.S.Li Muli, B.Acharya, O.J.Hernandez, S.Bacca

Bayesian analysis of nuclear polarizability corrections to the Lamb shift of muonic H-atoms and He-ions

NUCLEAR REACTIONS 2,3H, 3,4He(μ, X), E not given; analyzed available data of the nuclear-polarizability corrections to the Lamb shift with a Bayesian analysis.

doi: 10.1088/1361-6471/ac81e0
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2022MA04      Phys.Rev.Lett. 128, 022502 (2022)

S.Malbrunot-Ettenauer, S.Kaufmann, S.Bacca, C.Barbieri, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, T.Duguet, R.F.Garcia Ruiz, W.Gins, C.Gorges, G.Hagen, H.Heylen, J.D.Holt, G.R.Jansen, A.Kanellakopoulos, M.Kortelainen, T.Miyagi, P.Navratil, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, S.J.Novario, T.Papenbrock, T.Ratajczyk, P.-G.Reinhard, L.V.Rodriguez, R.Sanchez, S.Sailer, A.Schwenk, J.Simonis, V.Soma, S.R.Stroberg, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov

Nuclear Charge Radii of the Nickel Isotopes 58-68, 70Ni

NUCLEAR MOMENTS 58,59,60,61,62,63,64,65,66,67,68Ni, 70Ni; measured frequency-time spectrum; deduced isotope shifts, mean-square charge radii. Comparison with ab initio approaches. Collinear laser spectroscopy beam line COLLAPS, ISOLDE/CERN.

doi: 10.1103/PhysRevLett.128.022502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022SO15      Phys.Rev. C 106, 034310 (2022)

J.E.Sobczyk, S.Bacca, G.Hagen, T.Papenbrock

Spectral function for 4He using the Chebyshev expansion in coupled-cluster theory

NUCLEAR REACTIONS 4He(e, e'), at momentum transfers q ≈ 270-670 MeV; calculated intrinsic momentum distribution, and compared with that in laboratory system, spectral functions, differential σ(momentum transfer) using coupled-cluster singles-and-doubles (CCSD) approximation, with an expansion of integral transforms into Chebyshev polynomials.

doi: 10.1103/PhysRevC.106.034310
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2021AC02      Phys.Rev. C 103, 024001 (2021)

B.Acharya, V.Lensky, S.Bacca, M.Gorchtein, M.Vanderhaeghen

Dispersive evaluation of the Lamb shift in muonic deuterium from chiral effective field theory

NUCLEAR REACTIONS 2H(γ, X), E<80 MeV; 2H(e-, X), E=80, 146.9, 175, 180, 222.6, 292.8 MeV; calculated deuteron photodisintegration σ(E), deuteron electrodissociation differential σ(E, θ), deuteron response functions and corresponding uncertainties up to next-to-next-to-next-to-leading order in chiral effective field theory (χEFT), longitudinal and transverse contributions. Comparison with experimental data.

NUCLEAR STRUCTURE 2H; calculated nuclear polarizability two-photon exchange corrections to the muonic deuterium (μD) Lamb shift by combining dispersion relations with ab initio approach to compute nuclear structure corrections using chiral effective field theory. Comparison with results of previous calculations.

doi: 10.1103/PhysRevC.103.024001
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2021FR01      Phys.Rev.Lett. 126, 102501 (2021)

U.Friman-Gayer, C.Romig, T.Huther, K.Albe, S.Bacca, T.Beck, M.Berger, J.Birkhan, K.Hebeler, O.J.Hernandez, J.Isaak, S.Konig, N.Pietralla, P.C.Ries, J.Rohrer, R.Roth, D.Savran, M.Scheck, A.Schwenk, R.Seutin, V.Werner

Role of Chiral Two-Body Currents in 6Li Magnetic Properties in Light of a New Precision Measurement with the Relative Self-Absorption Technique

RADIOACTIVITY 6Li(IT) [from 6Li(γ, γ'), E<7.1 MeV]; measured decay products, Eγ, Iγ; deduced B(M1), decay width. Comparison with ab initio calculations based on chiral effective field theory that take into account contributions to the magnetic dipole operator beyond leading order.

doi: 10.1103/PhysRevLett.126.102501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021SO24      Phys.Rev.Lett. 127, 072501 (2021)

J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen

Ab Initio Computation of the Longitudinal Response Function in 40Ca

NUCLEAR STRUCTURE 40Ca; calculated longitudinal response function using the coupled-cluster and Lorentz integral transform methods starting from chiral nucleon-nucleon and three-nucleon interactions.

doi: 10.1103/PhysRevLett.127.072501
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2020AC01      Phys.Rev. C 101, 015505 (2020)

B.Acharya, S.Bacca

Neutrino-deuteron scattering: Uncertainty quantification and new Λ1, A constraints

NUCLEAR REACTIONS 2H(ν, ν'), (ν-bar, ν-bar'), E=threshold-150 MeV; calculated deuteron dissociation σ(E) with uncertainty estimates using chiral effective field theory (χEFT). Comparison with previous theoretical calculations.

doi: 10.1103/PhysRevC.101.015505
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2020BA35      Phys.Rev. C 102, 014320 (2020)

R.B.Baker, K.D.Launey, S.Bacca, N.N.Dinur, T.Dytrych

Benchmark calculations of electromagnetic sum rules with a symmetry-adapted basis and hyperspherical harmonics

NUCLEAR STRUCTURE 4He; calculated ground state energy, point-proton rms radius, nonenergy and energy weighted sum rules for monopole and dipole transitions, electric dipole polarizability, quadrupole sum rule. Calculations used ab initio symmetry-adapted no-core shell model (SA-NCSM) with the Lanczos algorithm, and JISP16 and N3LO-EM nucleon-nucleon interactions. Comparison with other model predictions.

doi: 10.1103/PhysRevC.102.014320
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2020KA22      Phys.Rev.Lett. 124, 132502 (2020)

S.Kaufmann, J.Simonis, S.Bacca, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, R.F.Garcia Ruiz, W.Gins, C.Gorges, G.Hagen, H.Heylen, A.Kanellakopoulos, S.Malbrunot-Ettenauer, M.Miorelli, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, S.Sailer, A.Schwenk, T.Ratajczyk, L.V.Rodriguez, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov

Charge Radius of the Short-Lived 68Ni and Correlation with the Dipole Polarizability

NUCLEAR MOMENTS 58,60,61,62,64,68Ni; measured frequencies; deduced resonance spectra, isotope shifts, nuclear charge radii. Comparison with novel coupled-cluster calculations.

doi: 10.1103/PhysRevLett.124.132502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020SO21      Phys.Rev. C 102, 064312 (2020)

J.E.Sobczyk, B.Acharya, S.Bacca, G.Hagen

Coulomb sum rule for 4He and 16O from coupled-cluster theory

NUCLEAR STRUCTURE 4He, 16O; calculated Coulomb sum rule (CSR), squared elastic form factors, spurious 1- states as functions of the momentum transfer of 0-500 MeV. Coupled-cluster theory using interactions from chiral effective field theory (EFT). Relevance to improving understanding of neutrino-nucleus scattering process.

doi: 10.1103/PhysRevC.102.064312
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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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2019HE18      Phys.Rev. C 100, 064315 (2019)

O.J.Hernandez, C.Ji, S.Bacca, N.Barnea

Probing uncertainties of nuclear structure corrections in light muonic atoms

doi: 10.1103/PhysRevC.100.064315
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2019PA55      Phys.Rev. C 100, 061304 (2019)

C.G.Payne, S.Bacca, G.Hagen, W.G.Jiang, T.Papenbrock

Coherent elastic neutrino-nucleus scattering on 40Ar from first principles

NUCLEAR REACTIONS 40Ar(ν, ν), E<50 MeV; calculated charge and weak form factors, neutron skin radius, coherent scattering σ(E) using coupled-cluster theory based on nuclear Hamiltonians inspired by effective field theories of quantum chromodynamics; deduced that nuclear physics uncertainties will likely not limit the sensitivity to new physics. Comparison to data from electron scattering experiments. Estimation of systematic uncertainties.

doi: 10.1103/PhysRevC.100.061304
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2019SI46      Eur.Phys.J. A 55, 241 (2019)

J.Simonis, S.Bacca, G.Hagen

First principles electromagnetic responses in medium-mass nuclei

doi: 10.1140/epja/i2019-12825-0
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2018HE03      Phys.Lett. B 778, 377 (2018)

O.J.Hernandez, A.Ekstrom, N.N.Dinur, C.Ji, S.Bacca, N.Barnea

The deuteron-radius puzzle is alive: A new analysis of nuclear structure uncertainties

NUCLEAR STRUCTURE 2H; analyzed available data; deduced discrepancy between the calculated and the corresponding experimental deuteron radii.

doi: 10.1016/j.physletb.2018.01.043
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2018JI05      J.Phys.(London) G45, 093002 (2018)

C.Ji, S.Bacca, N.Barnea, O.J.Hernandez, N.N.Dinur

Ab initio calculation of nuclear-structure corrections in muonic atoms

NUCLEAR REACTIONS 1,2,3H, 3,4He(μ, X), E not given; calculated nuclear-structure corrections to the Lamb shift energy of muonic atoms.

doi: 10.1088/1361-6471/aad3eb
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2018MI09      Phys.Rev. C 98, 014324 (2018)

M.Miorelli, S.Bacca, G.Hagen, T.Papenbrock

Computing the dipole polarizability of 48Ca with increased precision

NUCLEAR STRUCTURE 4He, 16O, 48Ca; calculated electromagnetic, and polarizability sum rules, electric dipole polarizability of 48Ca by benchmarking 4He and 16O results. Coupled-cluster method by including leading order 3p-3h correlations for the ground state, excited states, and the similarity-transformed operator. Comparison with experimental data.

doi: 10.1103/PhysRevC.98.014324
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2017BI09      Phys.Rev.Lett. 118, 252501 (2017)

J.Birkhan, M.Miorelli, S.Bacca, S.Bassauer, C.A.Bertulani, G.Hagen, H.Matsubara, P.von Neumann-Cosel, T.Papenbrock, N.Pietralla, V.Yu.Ponomarev, A.Richter, A.Schwenk, A.Tamii

Electric Dipole Polarizability of 48Ca and Implications for the Neutron Skin

NUCLEAR REACTIONS 48Ca(p, p'), E=295 MeV; 48Ca(γ, X), E<25 MeV; measured reaction products; deduced σ, electric dipole polarizability, B(E1).

doi: 10.1103/PhysRevLett.118.252501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2558.


2016HA27      Nat.Phys. 12, 186 (2016)

G.Hagen, A.Ekstrom, C.Forssen, G.R.Jansen, W.Nazarewicz, T.Papenbrock, K.A.Wendt, S.Bacca, N.Barnea, B.Carlsson, C.Drischler, K.Hebeler, M.Hjorth-Jensen, M.Miorelli, G.Orlandini, A.Schwenk, J.Simonis

Neutron and weak-charge distributions of the 48Ca nucleus

NUCLEAR STRUCTURE 48Ca; calculated neutron skin parameters, radii. Ab initio calculations.

doi: 10.1038/nphys3529
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2016MI19      Phys.Rev. C 94, 034317 (2016)

M.Miorelli, S.Bacca, N.Barnea, G.Hagen, G.R.Jansen, G.Orlandini, T.Papenbrock

Electric dipole polarizability from first principles calculations

NUCLEAR STRUCTURE 4He, 16,22O, 40Ca; calculated electric dipole polarizability, photoabsorption response functions. Coupled-cluster method with bound-state techniques, and using different interactions from chiral effective field theory. Comparison with experimental data. Relevance to radii of proton and neutron distributions.

doi: 10.1103/PhysRevC.94.034317
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2015BA08      Phys.Rev. C 91, 024303 (2015)

S.Bacca, N.Barnea, W.Leidemann, G.Orlandini

Examination of the first excited state of 4He as a potential breathing mode

NUCLEAR STRUCTURE 4He; calculated inelastic isoscalar monopole (InISM) strength distribution within a few-body ab initio approach, energy of the excited 0+ state, transition density between the ground state and the 0+ resonance state, transition form factor, q-dependence and sum rule. Lorentz integral transform and hyperspherical harmonics expansion. Focus on 0+ resonance. Discussed breathing mode.

doi: 10.1103/PhysRevC.91.024303
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2015SH15      Phys.Rev. C 91, 042801 (2015)

R.Sharma, S.Bacca, A.Schwenk

Neutrino-pair bremsstrahlung from nucleon-α versus nucleon-nucleon scattering

doi: 10.1103/PhysRevC.91.042801
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2014BA49      J.Phys.(London) G41, 123002 (2014)

S.Bacca, S.Pastore

Electromagnetic reactions on light nuclei

doi: 10.1088/0954-3899/41/12/123002
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2014BA62      Phys.Rev. C 90, 064619 (2014)

S.Bacca, N.Barnea, G.Hagen, M.Miorelli, G.Orlandini, T.Papenbrock

Giant and pigmy dipole resonances in 4He, 16, 22O, and 40Ca from chiral nucleon-nucleon interactions

NUCLEAR REACTIONS 4He, 16,22O, 40Ca(γ, n), E not given; calculated dipole response functions using Lorentz integral transform combined with the CC method (LITCC), GDR and PDR, low-lying E1 strength in 22O, electric dipole polarizability in 40Ca. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.064619
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2014DI06      Phys.Rev. C 89, 064317 (2014)

N.N.Dinur, N.Barnea, C.Ji, S.Bacca

Efficient method for evaluating energy-dependent sum rules

NUCLEAR STRUCTURE 4He; calculated energy-dependent sum rule (EDSR) for unretarded E1 response. Comparison with other methods. Lorentz integral transform method and the Lanczos algorithm. Use in electroweak reactions.

doi: 10.1103/PhysRevC.89.064317
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2014EK01      Phys.Rev.Lett. 113, 262504 (2014)

A.Ekstrom, G.R.Jansen, K.A.Wendt, G.Hagen, T.Papenbrock, S.Bacca, B.Carlsson, D.Gazit

Effects of Three-Nucleon Forces and Two-Body Currents on Gamow-Teller Strengths

RADIOACTIVITY 14C, 22,24O(β-); calculated quenching factor; deduced a novel coupled-cluster technique for the computation of spectra in the daughter nuclei and made several predictions and spin assignments in the exotic neutron-rich isotopes of fluorine.

NUCLEAR STRUCTURE 14N, 22,24F; calculated energy levels, J, π.

doi: 10.1103/PhysRevLett.113.262504
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2014JI11      Few-Body Systems 55, 917 (2014)

C.Ji, N.N.Dinur, S.Bacca, N.Barnea

Nuclear Polarization Effects in Muonic Atoms

doi: 10.1007/s00601-014-0809-3
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2014OR05      Few-Body Systems 55, 907 (2014)

G.Orlandini, S.Bacca, N.Barnea, G.Hagen, M.Miorelli, T.Papenbrock

Coupling the Lorentz Integral Transform (LIT) and the Coupled Cluster (CC) Methods: A Way Towards Continuum Spectra of "Not-So-Few-Body" System

NUCLEAR REACTIONS 16O, 40Ca(γ, X), E=10-20 MeV; analyzed available data; deduced resonance parameters for the giant dipole resonance. LIT and CC calculations.

doi: 10.1007/s00601-013-0772-4
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2013BA04      Phys.Rev.Lett. 110, 042503 (2013)

S.Bacca, N.Barnea, W.Leidemann, G.Orlandini

Isoscalar Monopole Resonance of the Alpha Particle: A Prism to Nuclear Hamiltonians

NUCLEAR STRUCTURE 3H, 3,4He; calculated ground-state energies with N3LO and N2LO, transition form factors. Ab initio study.

doi: 10.1103/PhysRevLett.110.042503
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2013BA47      Phys.Rev.Lett. 111, 122502 (2013)

S.Bacca, N.Barnea, G.Hagen, G.Orlandini, T.Papenbrock

First Principles Description of the Giant Dipole Resonance in 16O

NUCLEAR STRUCTURE 16O; calculated giant dipole resonance parameters, position and strength. Nucleon-nucleon interaction, comparison with available data.

doi: 10.1103/PhysRevLett.111.122502
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2012BA41      Phys.Rev. C 86, 034321 (2012)

S.Bacca, N.Barnea, A.Schwenk

Matter and charge radius of 6He in the hyperspherical-harmonics approach

NUCLEAR STRUCTURE 4,6He; calculated binding energy, point-proton and matter radii using two-body low-momentum interactions based on chiral effective field theory (EFT) potentials. Discussed importance of three-nucleon forces. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.034321
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2012BR03      Phys.Rev.Lett. 108, 052504 (2012)

M.Brodeur, T.Brunner, C.Champagne, S.Ettenauer, M.J.Smith, A.Lapierre, R.Ringle, V.L.Ryjkov, S.Bacca, P.Delheij, G.W.F.Drake, D.Lunney, A.Schwenk, J.Dilling

First Direct Mass Measurement of the Two-Neutron Halo Nucleus 6He and Improved Mass for the Four-Neutron Halo 8He

ATOMIC MASSES 6,8He; measured TOF resonance spectra; deduced isotopic shifts, charge radii, masses. Comparison with experimental and theoretical data.

doi: 10.1103/PhysRevLett.108.052504
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Data from this article have been entered in the XUNDL database. For more information, click here.


2012GO24      Phys.Rev. C 86, 064316 (2012)

R.Goerke, S.Bacca, N.Barnea

Nuclear electric polarizability of 6He

NUCLEAR STRUCTURE 6He; calculated nuclear electric polarizability αE based on hyperspherical harmonics expansion with simple semirealistic potentials using six-body microscopic calculations. Correlation between αE and S(2n), αE and neutron skin radius. Comparison with polarizability for 4He. Disagreement of calculated αE for 6He halo nucleus with experimental data.

doi: 10.1103/PhysRevC.86.064316
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2011BA50      J.Phys.:Conf.Ser. 312, 082011 (2011)

S.Bacca, N.Barnea, W.Leidemann, G.Orlandini

Three-nucleon forces effects in the electron scattering off 4He

NUCLEAR REACTIONS 4He(e, e'), E at 50-, 100, 150, 200, 250, 300, 350 MeV/c; calculated longitudinal response function using full four-body continuum dynamics via Lorentz integral transform. Compared with data.

doi: 10.1088/1742-6596/312/4/082011
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2009BA13      Phys.Rev.Lett. 102, 162501 (2009)

S.Bacca, N.Barnea, W.Leidemann, G.Orlandini

Role of the Final-State Interaction and Three-Body Force on the Longitudinal Response Function of 4He

doi: 10.1103/PhysRevLett.102.162501
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2009BA40      Phys.Rev. C 80, 032802 (2009)

S.Bacca, K.Hally, C.J.Pethick, A.Schwenk

Chiral effective field theory calculations of neutrino processes in dense matter

doi: 10.1103/PhysRevC.80.032802
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2009BA54      Phys.Rev. C 80, 064001 (2009)

S.Bacca, N.Barnea, W.Leidemann, G.Orlandini

Search for three-nucleon force effects on the longitudinal response function of 4He

NUCLEAR REACTIONS 4He(e, e'), E at 50-500 MeV/c; calculated longitudinal response functions, isovector and isoscalar multipole strength distribution, and Coulomb sum rule (CSR) using the Argonne V18 nucleon-nucleon interaction and three-nucleon force models. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.064001
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2009BA61      Eur.Phys.J. A 42, 553 (2009)

S.Bacca, A.Schwenk, G.Hagen, T.Papenbrock

Helium halo nuclei from low-momentum interactions

NUCLEAR STRUCTURE 4,6,8He; calculated ground-state energies. Comparison with data.

doi: 10.1140/epja/i2009-10815-5
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2008BA39      Phys.Rev. C 78, 044306 (2008)

S.Bacca, H.Feldmeier, T.Neff

Long range tensor correlations in charge and parity projected fermionic molecular dynamics

NUCLEAR STRUCTURE 4He; calculated energies of 0+ states. Fermionic molecular dynamics. Long-range tensor correlations.

doi: 10.1103/PhysRevC.78.044306
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2007BA32      Phys.Rev. C 75, 044001 (2007)

S.Bacca

Photodisintegration of light nuclei for testing a correlated realistic interaction in the continuum

NUCLEAR REACTIONS 3H, 3He, 4He(γ, X), E=45-140 MeV; calculated photoabsorption and photodisintegration cross sections using the correlated Argonne V18 potential, compared results to available data.

doi: 10.1103/PhysRevC.75.044001
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2007BA48      Phys.Rev. C 76, 014003 (2007)

S.Bacca, H.Arenhovel, N.Barnea, W.Leidemann, G.Orlandini

Inclusive electron scattering off 4He

doi: 10.1103/PhysRevC.76.014003
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2007BA51      Nucl.Phys. A790, 360c (2007)

S.Bacca, H.Arenhovel, N.Barnea, W.Leidemann, G.Orlandini

Inclusive electron scattering off 4He

NUCLEAR REACTIONS 4He(e, e'), E not given; calculated longitudinal and transverse response functions. Comparison with data.

doi: 10.1016/j.nuclphysa.2007.03.065
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2007OR05      Nucl.Phys. A790, 368c (2007)

G.Orlandini, S.Bacca, N.Barnea, W.Leidemann

Test of J-matrix inverse scattering potentials on photonuclear reactions of A=2, 3, 4 nuclei

NUCLEAR REACTIONS 2,3H, 3,4He(γ, X), E=2-100 MeV; calculated total photoabsorption σ. J-matrix inverse scattering potential models. Comparison with data.

doi: 10.1016/j.nuclphysa.2007.03.067
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2007QU02      Nucl.Phys. A790, 372c (2007)

S.Quaglioni, I.Stetcu, S.Bacca, B.R.Barrett, C.W.Johnson, P.Navratil, N.Barnea, W.Leidemann, G.Orlandini

Benchmark calculation of inclusive responses in the four-body nuclear system

NUCLEAR STRUCTURE 4He; calculated quadrupole response function. No-core shell model, effective interaction hyperspherical harmonic approach.

doi: 10.1016/j.nuclphysa.2007.03.068
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2007ST05      Nucl.Phys. A785, 307 (2007)

I.Stetcu, S.Quaglioni, S.Bacca, B.R.Barrett, C.W.Johnson, P.Navratil, N.Barnea, W.Leidemann, G.Orlandini

Benchmark calculation of inclusive electromagnetic responses in the four-body nuclear system

NUCLEAR STRUCTURE 4He; calculated ground-state energy, quadrupole and dipole response functions. No-core shell model, effective interaction hyperspherical harmonic approaches.

doi: 10.1016/j.nuclphysa.2006.12.047
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2006BA27      Phys.Rev. C 73, 054608 (2006)

S.Bacca, H.Feldmeier

Resonant tunneling in a schematic model

doi: 10.1103/PhysRevC.73.054608
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2006GA12      Phys.Rev.Lett. 96, 112301 (2006)

D.Gazit, S.Bacca, N.Barnea, W.Leidemann, G.Orlandini

Photoabsorption on 4He with a Realistic Nuclear Force

NUCLEAR REACTIONS 4He(γ, X), E ≈ 20-140 MeV; calculated total photoabsorption σ; deduced three-nucleon force effects. Realistic nucleon-nucleon potentials, comparison with data.

NUCLEAR STRUCTURE 4He; calculated binding energy, radius.

doi: 10.1103/PhysRevLett.96.112301
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2006GA39      Phys.Rev.C 74, 061001 (2006)

D.Gazit, N.Barnea, S.Bacca, W.Leidemann, G.Orlandini

Photonuclear sum rules and the tetrahedral configuration of 4He

NUCLEAR STRUCTURE 4He; calculated photonuclear sum rules, possible deviation from tetrahedral symmetry. Photodisintegration, ab initio calculations.

doi: 10.1103/PhysRevC.74.061001
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2004BA44      Phys.Rev. C 69, 057001 (2004)

S.Bacca, N.Barnea, W.Leidemann, G.Orlandini

Effect of P-wave interaction in 6He and 6Li photoabsorption

NUCLEAR REACTIONS 6He, 6Li(γ, X), E=0-100 MeV; calculated total photoabsorption σ, contribution from P-wave interaction. Lorentz integral transform method, comparison with data.

doi: 10.1103/PhysRevC.69.057001
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2004BA66      Few-Body Systems 34, 127 (2004)

N.Barnea, S.Bacca, W.Leidemann, G.Orlandini

Photodisintegration of Light Nuclei

NUCLEAR REACTIONS 6He, 6Li(γ, X), E=0-100 MeV; calculated photoabsorption σ. Lorentz integral transform method.

doi: 10.1007/s00601-004-0034-6
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2004BA94      Phys.Lett. B 603, 159 (2004)

S.Bacca, H.Arenhovel, N.Barnea, W.Leidemann, G.Orlandini

Ab initio calculation of 7Li photodisintegration

NUCLEAR REACTIONS 7Li(γ, X), E=threshold-100 MeV; calculated photoabsorption σ. Microscopic approach, comparison with data.

doi: 10.1016/j.physletb.2004.10.025
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2004LE19      Nucl.Phys. A737, 231 (2004)

W.Leidemann, S.Bacca, N.Barnea, G.Orlandini

Effective Interaction Method for Hyperspherical Harmonics

doi: 10.1016/j.nuclphysa.2004.03.081
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2002BA70      Phys.Rev.Lett. 89, 052502 (2002)

S.Bacca, M.A.Marchisio, N.Barnea, W.Leidemann, G.Orlandini

Microscopic Calculation of Six-Body Inelastic Reactions with Complete Final State Interaction: Photoabsorption of 6He and 6Li

NUCLEAR REACTIONS 6He, 6Li(γ, X), E=0-100 MeV; calculated total σ. Lorentz integral transform method, full six-nucleon final state interaction, comparison with data.

NUCLEAR STRUCTURE 6He, 6Li; calculated binding energies, radii.

doi: 10.1103/PhysRevLett.89.052502
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