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NSR database version of April 11, 2024.

Search: Author = B.M.Loc

Found 18 matches.

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2023AN02      Phys.Rev. C 107, 034604 (2023)

N.L.Anh, Y.-h.Song, B.M.Loc

Proton s-resonance states of 12C and 14, 15O within the Skyrme Hartree-Fock mean-field framework

NUCLEAR REACTIONS 12C(p, p), E=300-1000 keV; 14O(p, p), E=400-2000 keV; 15O(p, p), E=400-1000 keV; calculated σ(θ), resonances energies and widths. Calculations utilizing Skyrme Hartree-Fock (SHF) in continuum approach. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.034604
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2023LO07      Phys.Rev. C 108, 024303 (2023)

B.M.Loc, N.L.Anh, P.Papakonstantinou, N.Auerbach

Origin of octupole deformation softness in atomic nuclei

NUCLEAR STRUCTURE 32S, 64Zn, 72Se, 96Zr, 96Ru, 98Zr, 146Ba, 152Sm, 226Ra, 240Pu; calculated levels, J, π, energy of first 3- state, B(E3), octupole polarizability. Calculations based on fully self-consistent random-phase approximation (RPA) approach and quasiparticle RPA to diagnose octupole softness in nuclei.

doi: 10.1103/PhysRevC.108.024303
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2022AN14      Phys.Rev. C 106, 014605 (2022)

N.L.Anh, B.M.Loc

Low-energy 7Li(n, γ)8Li and 7Be(p, γ)8B radiative capture reactions within the Skyrme Hartree-Fock approach

NUCLEAR REACTIONS 7Li(n, γ), E(cm)<1500 keV; calculated σ(E) with taking into account all electromagnetic transition and only E1 or M1 transitions. 7Be(p, γ), E(cm)<3000 keV; astrophysical S-factor for all types of electromagnetic transitions, contributions to S-factor by E1- and M1- transitions. Skyrme Hartree-Fock potential model. Hartree-Fock calculation in the continuum for low-energy scattering problem. Comparison to other calculations and experimental data.

doi: 10.1103/PhysRevC.106.014605
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2022AN22      Phys.Rev. C 106, L051302 (2022)

N.L.Anh, B.M.Loc, N.Auerbach, V.Zelevinsky

Single-particle properties of the near-threshold proton-emitting resonance in 11B

NUCLEAR STRUCTURE 11Be; calculated energy, width and J, π of near-threshold proton-emitting resonance seen in the recent experiment (2022AY04). Self-consistent Skyrme Hartree-Fock in the continuum with SkM*, SGII, SLy4 and SAMi interactions.

NUCLEAR REACTIONS 10Be(p, p), E(cm)=100-350 keV; calculated σ(θ), s-wave phase shift. Self-consistent Skyrme Hartree-Fock in the continuum. Comparison to experimental data and other theoretical calculations.

doi: 10.1103/PhysRevC.106.L051302
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2022AU04      Nucl.Phys. A1027, 122521 (2022)

N.Auerbach, B.M.Loc

Coulomb corrections to Fermi beta decay in nuclei

doi: 10.1016/j.nuclphysa.2022.122521
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2021AN05      Phys.Rev. C 103, 035812 (2021)

N.L.Anh, B.M.Loc

Bound-to-continuum potential model for the (p, γ) reactions of the CNO nucleosynthesis cycle

NUCLEAR REACTIONS 12C(p, γ)13N, E(cm)<0.7 MeV; 13C(p, γ)14N, E(cm)<1 MeV; 14N(p, γ)15O, E(cm)<1.6 MeV; 16O(p, γ)17F, E(cm)<2 MeV; calculated astrophysical S factors for ground state and excited states of the residual nuclei using self-consistent mean-field potential deduced from the Skyrme Hartree-Fock method. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.035812
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2021AN13      Phys.Rev. C 104, 034622 (2021)

N.L.Anh, P.N.Huan, B.M.Loc

Potential model within a bound-to-continuum approach for low-energy nucleon radiative capture by 12C and 16O

NUCLEAR REACTIONS 16O(p, γ)17F, E(cm)<3 MeV; 12C(p, γ)13N, E(cm)<0.8 MeV; calculated astrophysical S factors. 16O(n, γ)17O, E(cm)<100 keV; 12C(n, γ)13C, E(cm)<0.6 MeV; calculated σ(E). Bound-to-continuum potential model with scattering and bound states treated simultaneously and based on the Skyrme Hartree-Fock approximation for radiative capture reactions. Comparison with available experimental data. Relevance to pure and applied nuclear physics, and nuclear astrophysics.

doi: 10.1103/PhysRevC.104.034622
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2021HU03      Phys.Rev. C 103, 024601 (2021)

P.N.Huan, N.L.Anh, B.M.Loc, I.Vidana

Excitation of isobaric analog states from (p, n) and (3He, t) charge-exchange reactions within the G-matrix folding method

NUCLEAR REACTIONS 12C, 40Ca(p, p), E=160 MeV; 58Ni, 90Zr(3He, 3He), E=443 MeV; 208Pb(3He, 3He), E=450 MeV; 14C(p, n)14N, E=135 MeV; 48Ca(p, n)48Sc, E=134, 160 MeV; 58Ni, 90Zr, 208Pb(3He, t), E=420 MeV; calculated differential σ(θ) and compared with experimental data. Distorted wave Born approximation with the G-matrix double-folding method for nucleus-nucleus optical potential within the framework of the Lane model, and G matrices from a Brueckner-Hartree-Fock calculation using the Argonne Av18 nucleon-nucleon potential.

doi: 10.1103/PhysRevC.103.024601
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2019LO01      Phys.Rev. C 99, 014311 (2019)

B.M.Loc, N.Auerbach, G.Colo

Isospin mixing and Coulomb mixing in ground states of even-even nuclei

NUCLEAR STRUCTURE 40,48Ca, 56,78Ni, 90Zr, 100,120Sn, 208Pb; calculated isovector monopole (IVM) strength and Coulomb strength for 208Pb, isospin mixing and Coulomb mixing in the ground states of even-even nuclei, isospin properties of the IVM resonance for 48Ca. HF-RPA and HF-pnRPA calculations using several different Skyrme interactions. Relevance to isospin symmetry.

doi: 10.1103/PhysRevC.99.014311
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2018AU05      Phys.Rev. C 98, 064301 (2018)

N.Auerbach, B.M.Loc

Nuclear structure studies of double-charge-exchange Gamow-Teller strength

RADIOACTIVITY 42,44,46,48Ca(2β-); calculated double charge-exchange Gamow-Teller (DGT) strength distributions for 0+ to 0+ and 0+ to 2+ states using shell model, with the application of the single Gamow-Teller operator two times sequentially on the ground state of the parent nuclei, and FPD6 and KB3G interactions. 42,44,46,48Ti; calculated total number of final states in the fp-model space and f-model space for 2β- daughter nuclei. 48Sc; calculated cumulative sum of the single Gamow-Teller strength B(GT-) as a function of the number of 1+ states, and their excitation energies in intermediate nucleus 48Sc.

doi: 10.1103/PhysRevC.98.064301
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2017LO07      Phys.Rev. C 96, 014311 (2017)

B.M.Loc, N.Auerbach, D.T.Khoa

Single-charge-exchange reactions and the neutron density at the surface of the nucleus

NUCLEAR STRUCTURE 58Ni, 90Zr, 120Sn, 208Pb; calculated nuclear densities calculated using the Skyrme HF-BCS calculation.

NUCLEAR REACTIONS 58Ni, 90Zr, 208Pb(3He, t), E=420 MeV; 120Sn(p, n), E=170 MeV; calculated differential σ(θ) for the population of the isobaric analog state (IAS) using the DWBA approach with the single-charge-exchange (SCX) form factors obtained from nuclear density calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.96.014311
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2017ZE03      Phys.Rev. C 96, 044319 (2017)

V.Zelevinsky, N.Auerbach, B.M.Loc

Nuclear structure features of Gamow-Teller excitations

NUCLEAR STRUCTURE 44,46Ti; calculated B(E2), B(GT), anticorrelation between B(GT) and collectivity of the first B(E2) using the nuclear shell-model.

doi: 10.1103/PhysRevC.96.044319
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2016KH09      Phys.Rev. C 94, 034612 (2016)

D.T.Khoa, N.H.Phuc, D.T.Loan, B.M.Loc

Nuclear mean field and double-folding model of the nucleus-nucleus optical potential

NUCLEAR REACTIONS 12C(12C, 12C), E=139.5, 158.8, 240, 288.6, 360, 1016 MeV; 12C(16O, 16O), E=132, 170, 200, 230, 260, 281, 330, 608, 1503 MeV; analyzed σ(θ, E) data using realistic density dependent CDM3Yn versions of the M3Y interaction in an extended Hartree-Fock (HF) calculation of nuclear matter (NM), and double-folding model of the nucleus-nucleus optical potential.

doi: 10.1103/PhysRevC.94.034612
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2015LO09      Phys.Rev. C 92, 034304 (2015)

D.T.Loan, B.Mi.Loc, D.T.Khoa

Extended Hartree-Fock study of the single-particle potential: The nuclear symmetry energy, nucleon effective mass, and folding model of the nucleon optical potential

NUCLEAR STRUCTURE 1n, 1H; calculated neutron and proton single-particle (SP) optical potentials (OP) and the symmetry energy in nuclear matter, neutron and proton, effective mass and their splittings. Consistent Hartree-Fock (HF) study of the asymmetric nuclear matter using CDM3Y3 and CDM3Y6 density dependent interactions.

NUCLEAR REACTIONS 208Pb(n, n), E=30.4, 40 MeV; calculated σ(θ) by folding model of the neutron optical potential. Consistent inclusion of rearrangement terms (RT) into the HF-type folding model calculation of the nucleon OP in the mean-field approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.034304
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2015NH01      Phys.Rev. C 92, 014605 (2015)

T.V.Nhan Hao, B.M.Loc, N.H.Phuc

Low-energy nucleon-nucleus scattering within the energy density functional approach

NUCLEAR REACTIONS 16O, 208Pb(n, n), E=7.0, 10.0, 14.5, 17.0, 20.0, 22.0, 24.0, 30.4, 40.0, 45.0, 50.0 MeV; calculated non-local optical potential; analyzed experimental data for σ(θ) using particle-vibration coupling (PVC) method with the Skyrme nucleon-nucleon (NN) effective interaction, and DWBA98 computer code.

NUCLEAR STRUCTURE 208Pb; calculated low lying levels, J, π, B(E2) using HF-RPA with SLy5 interaction. Comparison with experimental values.

doi: 10.1103/PhysRevC.92.014605
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2014KH02      Eur.Phys.J. A 50, 34 (2014)

D.T.Khoa, B.M.Loc, D.N.Thang

Folding model study of the charge-exchange scattering to the isobaric analog state and implication for the nuclear symmetry energy

NUCLEAR REACTIONS 208Pb(n, n), E=30.4 MeV;48Ca, 90Zr, 120Sn, 208Pb(p, p), E=35, 45 MeV;90Zr, 120Sn(p, p), E=40 MeV;208Pb(p, p), E=45 MeV; calculated σ(θ), σ using complex folded optical potential and hybrid optical potential; deduced model parameters. 48Ca, 90Zr, 120Sn(p, n), E=35, 45 MeV; calculated σ(θ), σ(θ) to IAS using CC with complex folded or hybrid optical potential; deduced symmetry energy. 14C, 48Ca(3He, t), E=72, 82 MeV; calculated σ, σ(θ) to IAS using CC with complex folded or hybrid optical potential. Results compared with data.

doi: 10.1140/epja/i2014-14034-9
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2014LO02      Phys.Rev. C 89, 024317 (2014)

B.M.Loc, D.T.Khoa, R.G.T.Zegers

Charge-exchange scattering to the isobaric analog state at medium energies as a probe of the neutron skin

NUCLEAR REACTIONS 90Zr, 208Pb(3He, t), E=420 MeV; analyzed σ(θ) data in distorted wave Born approximation (DWBA) using double folded charge-exchange form factor for scattering to the isobaric analog state (IAS). deduced neutron skin value.

doi: 10.1103/PhysRevC.89.024317
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2012DE03      Phys.Rev. C 85, 024619 (2012)

R.P.DeVito, D.T.Khoa, S.M.Austin, U.E.P.Berg, B.M.Loc

Neutron scattering from 208Pb at 30.4 and 40.0 MeV and isospin dependence of the nucleon optical potential

NUCLEAR REACTIONS 208Pb(n, n), E=30.4, 40.0 MeV; measured neutron spectra using time-of-flight system at NSCL, MSU, σ(E, θ); comparison with σ(E, θ) data for 208Pb(p, p), E=45.0, 47.3, 49.4, 54.2 MeV, and optical model calculations; deduced optical model parameters using the Woods-Saxon geometry given by the CH89 systematics. Diffractive structure in σ(θ) distributions. 208Pb(p, n), E=45 MeV; analyzed σ(θ); deduced isovector term (isospin impurity) of the optical potential. Relevance to data for IAS.

doi: 10.1103/PhysRevC.85.024619
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14317.

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