NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 24, 2024.

Search: Author = V.Soma

Found 45 matches.

Back to query form



2024LI18      Phys.Rev. C 109, 034312 (2024)

B.D.Linh, A.Corsi, A.Gillibert, A.Obertelli, P.Doornenbal, C.Barbieri, T.Duguet, M.Gomez-Ramos, J.D.Holt, B.S.Hu, T.Miyagi, A.M.Moro, P.Navratil, K.Ogata, S.Peru, N.T.T.Phuc, N.Shimizu, V.Soma, Y.Utsuno, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.B.Gerst, J.Gibelin, K.I.Hahn, N.T.Khai, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.T.Wang, V.Werner, X.Xu, Y.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

Onset of collectivity for argon isotopes close to N=32

doi: 10.1103/PhysRevC.109.034312
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2024PO06      Phys.Rev. C 109, 044315 (2024)

A.Porro, G.Colo, T.Duguet, D.Gambacurta, V.Soma

Symmetry-restored Skyrme-random-phase-approximation calculations of the monopole strength in deformed nuclei

doi: 10.1103/PhysRevC.109.044315
Citations: PlumX Metrics


2024VO02      Phys.Rev. C 109, 034613 (2024)

M.Vorabbi, C.Barbieri, V.Soma, P.Finelli, C.Giusti

Microscopic optical potentials for medium-mass isotopes derived at the first order of Watson multiple-scattering theory

doi: 10.1103/PhysRevC.109.034613
Citations: PlumX Metrics


2023BE01      Phys.Rev. C 107, L021302 (2023)

Y.Beaujeault-Taudiere, M.Frosini, J.-P.Ebran, T.Duguet, R.Roth, V.Soma

Zero- and finite-temperature electromagnetic strength distributions in closed- and open-shell nuclei from first principles

NUCLEAR STRUCTURE 16O, 28Si, 46Ti, 56Fe; calculated zero-temperature dipole polarizability. 56Fe; calculated thermal evolution of mean excitation energies of the dipole modes, low-lying total electromagnetic response (E1+M1) at finite temperatures (kT=0, 1 and 2 MeV). Ab-initio Hartree-Fock-Bogoliubov quasiparticle random-phase approximation (HFB-QRPA). Comparison to available experimental data.

NUCLEAR REACTIONS 16O, 28Si, 46Ti(γ, X), E<50 MeV; calculated integrated isovector E1 photoabsorption σ(E). 56Fe(γ, X), E<40 MeV; calculated electric E1 and magnetic M1 components of integrated photoabsorption σ at different finite temperatures. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.L021302
Citations: PlumX Metrics


2023DU01      Eur.Phys.J. A 59, 13 (2023)

T.Duguet, J.-P.Ebran, M.Frosini, H.Hergert, V.Soma

Rooting the EDF method into the ab initio framework PGCM-PT formalism based on MR-IMSRG pre-processed Hamiltonians

NUCLEAR STRUCTURE 20Ne; calculated energy levels, J, π using the empirical nuclear energy density functional (EDF) method rooted into the recently formulated ab initio many-body perturbation theory built on top of the projected generator coordinate method (PGCM-PT), whenever the latter employs an effective Hamiltonian resulting from a multi-reference in-medium similarity renormalization group (MR-IMSRG) transformation of the nuclear Hamiltonian at play in chiral effective field theory. Comparison with available data.

doi: 10.1140/epja/s10050-023-00914-y
Citations: PlumX Metrics


2023LO09      Phys.Lett. B 845, 138149 (2023)

J.Lois-Fuentes, B.Fernandez-Dominguez, X.Pereira-Lopez, F.Delaunay, W.N.Catford, A.Matta, N.A.Orr, T.Duguet, T.Otsuka, V.Soma, O.Sorlin, T.Suzuki, N.L.Achouri, M.Assie, S.Bailey, B.Bastin, Y.Blumenfeld, R.Borcea, M.Caamano, L.Caceres, E.Clement, A.Corsi, N.Curtis, Q.Deshayes, F.Farget, M.Fisichella, G.de France, S.Franchoo, M.Freer, J.Gibelin, A.Gillibert, G.F.Grinyer, F.Hammache, O.Kamalou, A.Knapton, Tz.Kokalova, V.Lapoux, B.Le Crom, S.Leblond, F.M.Marques, P.Morfouace, J.Pancin, L.Perrot, J.Piot, E.Pollacco, D.Ramos, D.Regueira-Castro, C.Rodriguez-Tajes, T.Roger, F.Rotaru, M.Senoville, N.de Sereville, R.Smith, M.Stanoiu, I.Stefan, C.Stodel, D.Suzuki, J.C.Thomas, N.Timofeyuk, M.Vandebrouck, J.Walshe, C.Wheldon

Cross-shell states in 15C: A test for p-sd interactions

NUCLEAR REACTIONS 2H(16C, t), E=17.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), level energies, J, π, experimental level scheme, single-particle strength, normalised spectroscopic factors. Comparison with the ab initio self-consistent Green's function method employing the NNLOsat interaction. TIARA Silicon array, three MUST2 telescopes, GANIL.

doi: 10.1016/j.physletb.2023.138149
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022BA03      Phys.Rev.Lett. 128, 082301 (2022)

Be.Bally, M.Bender, G.Giacalone, V.Soma

Evidence of the Triaxial Structure of 129Xe at the Large Hadron Collider

NUCLEAR STRUCTURE 129Xe, 208Pb; calculated structure of the ground states, beyond-mean-field potential energy surfaces, elliptic flow and the mean transverse momentum. Comparison with available data.

doi: 10.1103/PhysRevLett.128.082301
Citations: PlumX Metrics


2022BA10      Phys.Rev. C 105, 044330 (2022)

C.Barbieri, T.Duguet, V.Soma

Gorkov algebraic diagrammatic construction formalism at third order

doi: 10.1103/PhysRevC.105.044330
Citations: PlumX Metrics


2022FR04      Eur.Phys.J. A 58, 64 (2022)

M.Frosini, T.Duguet, J.-P.Ebran, B.Bally, H.Hergert, T.R.Rodriguez, R.Roth, J.M.Yao, V.Soma

Multi-reference many-body perturbation theory for nuclei, III. Ab initio calculations at second order in PGCM-PT

doi: 10.1140/epja/s10050-022-00694-x
Citations: PlumX Metrics


2022FR05      Eur.Phys.J. A 58, 63 (2022)

M.Frosini, T.Duguet, J.-P.Ebran, B.Bally, T.Mongelli, T.R.Rodriguez, R.Roth, V.Soma

Multi-reference many-body perturbation theory for nuclei, II. Ab initio study of neon isotopes via PGCM and IM-NCSM calculations

doi: 10.1140/epja/s10050-022-00693-y
Citations: PlumX Metrics


2022FR06      Eur.Phys.J. A 58, 62 (2022)

M.Frosini, T.Duguet, J.-P.Ebran, V.Soma

Multi-reference many-body perturbation theory for nuclei, I. Novel PGCM-PT formalism

doi: 10.1140/epja/s10050-022-00692-z
Citations: PlumX Metrics


2022KO06      Phys.Lett. B 827, 136953 (2022)

T.Koiwai, K.Wimmer, P.Doornenbal, A.Obertelli, C.Barbieri, T.Duguet, J.D.Holt, T.Miyagi, P.Navratil, K.Ogata, N.Shimizu, V.Soma, Y.Utsuno, K.Yoshida, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, P.-A.Soderstrom, D.Sohler, S.Takeuchi, H.Toernqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

A first glimpse at the shell structure beyond 54Ca: Spectroscopy of 55K, 55Ca, and 57Ca

NUCLEAR REACTIONS 1H(56Ca, 2p)55K, (56Ca, np)55Ca, E=250 MeV/nucleon; 1H(58Sc, 2p)57Ca, E not given, [secondary 56Ca and 58Sc beams from 9Be(70Zn, X), E=345 MeV/nucleon, followed by selection of fragments of interest using the BigRIPS separator through the TOF-ΔE-Bρ method at RIBF-RIKEN facility]; measured reaction products using the by SAMURAI magnetic spectrometer, protons, Eγ, Iγ, (proton)γ-coin using thick liquid hydrogen target system MINOS and DALI22 array of 226 NaI(Tl) scintillator detectors. 55K, 55,57Ca; deduced levels, J, π, level half-lives, exclusive population σ, spectroscopic factors, short-lived state in 57Ca. Comparison with state-of-the-art theoretical calculations using different approaches such as large-scale shell model (LSSM), valence-space in-medium similarity renormalization group (VS-IMSRG), full-space self-consistent Green's function (SCGF) with NNLOsat and NN+3N(lnl) interactions.

doi: 10.1016/j.physletb.2022.136953
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021BO06      Eur.Phys.J. A 57, 42 (2021)

V.Bontems, T.Duguet, G.Hagen, V.Soma

Topical issue on the tower of effective (field) theories and the emergence of nuclear phenomena

doi: 10.1140/epja/s10050-021-00356-4
Citations: PlumX Metrics


2021FR06      Eur.Phys.J. A 57, 151 (2021)

M.Frosini, T.Duguet, B.Bally, Y.Beaujeault-Taudiere, J.-P.Ebran, V.Soma

In-medium k-body reduction of n-body operators; A flexible symmetry-conserving approach based on the sole one-body density matrix

doi: 10.1140/epja/s10050-021-00458-z
Citations: PlumX Metrics


2021GI13      Phys.Rev. C 104, L041903 (2021)

G.Giacalone, J.Jia, V.Soma

Accessing the shape of atomic nuclei with relativistic collisions of isobars

NUCLEAR STRUCTURE 96Ru, 96Zr, 154Sm, 154Gd, 150Sm, 150Nd; analyzed probe for determining small differences in quadrupole and octupole deformations for pairs of isobaric nuclei in relativistic heavy-ion collision experiments, an overlap between low- and high-energy nuclear physics, as established in recent experiments at RHIC-BNL and at LHC-CERN by observing strong effects of deformation of the colliding ions on the output of relativistic nuclear collisions. Discussed recent experimental results for ratios of flow coefficients in 96Zr+96Zr and 96Ru+96Ru collisions from STAR collaboration at RHIC-BNL and consistency with low-energy spectroscopic measurements identifying a low-lying 3- state with a large B(E3) strength in such nuclei. Relevance to precise geometric shapes of nuclei and critically evaluations of low-energy nuclear structure data. Pairs of relevant stable isobars with large (β2>0.2) deformations: 36Ar-36S, 40Ca-40Ar, 46,48Ca-46,48Ti, 50Ti-50V-50Cr, 54Cr-54Fe, 64Ni-64Zn, 70Zn-70Ge, 74,76Ge-74,76Se, 78,80Se-78,80Kr, 84Kr-84Sr-84Mo, 86Kr-86Sr, 87Rb-87Sr, 92Zr-92Nb-92Mo, 94Zr-94Mo, 96Zr-96Mo-96Mo, 98,100Mo-98,100Ru, 100,102Ru-100,102Pd, 106,108,110Pd-106,108,110Cd, 112,114,116Cd-112,114,116Sn, 114Cd-114In, 115In-115Sn, 120,122Sn-120,122Te, 123Sb-123Te, 124Sn-124Te-124Xe, 126,128Te-126,128Xe, 130Te-130Xe-130Ba, 132,134Xe-132,134Ba, 136Xe-136Ba-136Ce, 138Ba-138La-138Ce, 142Ce-142Nd, 144,146,148,150Nd-144,146,148,150Sm, 152,154Sm-152,154Gd, 156,158,160Gd-156,158,160Dy, 162,164Dy-162,164Er, 168,170Er-168,170Yb, 174Er-174Hf, 176Yb-176Lu-176Hf, 180Hf-180W, 184,186W-184,186Os, 187Re-187Os, 190,192Os-190,192Pt, 198Pt-198Pt, and 204Hg-204Pb. Also, ground-state octupole deformation for some pairs of A=146, 148 and 150 nuclei.

doi: 10.1103/PhysRevC.104.L041903
Citations: PlumX Metrics


2021LI58      Phys.Rev. C 104, 044331 (2021)

B.D.Linh, A.Corsi, A.Gillibert, A.Obertelli, P.Doornenbal, C.Barbieri, S.Chen, L.X.Chung, T.Duguet, M.Gomez-Ramos, J.D.Holt, A.Moro, P.Navratil, K.Ogata, N.T.T.Phuc, N.Shimizu, V.Soma, Y.Utsuno, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, N.Chiga, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, N.T.Khai, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, N.D.Ton, H.Tornqvist, V.Vaquero, V.Wagner, H.Wang, V.Werner, X.Xu, Y.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

Investigation of the ground-state spin inversion in the neutron-rich 47, 49Cl isotopes

NUCLEAR REACTIONS 1H(50Ar, 2p)49Cl, (50Ar, 2n2p)47Cl; 1H(52K, n3p)49Cl; 1H(48Cl, np)47Cl, [secondary ion beams from 9Be(70Zn, X), E=345 MeV/nucleon primary reaction at RIBF-RIKEN facility, followed by separation of ions by BigRIPS separator using Bπ-ΔE-TOF measurement and MINOS hydrogen target system]; measured reaction products, A/Q versus Z plot, scattered ions of 47Cl and 49Cl using the SAMURAI spectrometer and identified by A/Q and Z, Eγ, Iγ, γγ-coin using DALI2+ array of 226 NaI(Tl) detectors. 47,49Cl; deduced levels, J and π for 49Cl, parallel and transverse momentum distributions and L-transfers for 49Cl, inclusive cross sections. Comparison of experimental level structure with shell-model calculations using SDPF-MU interactions, and IMSRG calculation. Comparison of momentum distributions with distorted-wave impulse approximation (DWIA), and transfer to continuum (TC) methods. Comparison of inclusive cross sections with LISE++ theoretical calculations. 49Cl; calculated levels, J, π, T1/2 of levels, B(E2), B(M1) using SDFP-MU shell-model. 45,47,49Cl; calculated levels, J, π, spectroscopic factors using shell-model and ab initio approaches. 41,43,45,47Cl; spin inversion issue not settled. Comparison of experimental and theoretical (from CGF) energy difference between the first 1/2+ and 3/2+ states in 35,36,37,38,39,40,41,43,45,47,49,51,53Cl, 37,38,39,40,41,43,45,47,49,51,53,55K.

doi: 10.1103/PhysRevC.104.044331
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021PO10      Eur.Phys.J. A 57, 297 (2021)

A.Porro, V.Soma, A.Tichai, T.Duguet

Importance truncation in non-perturbative many-body techniques - Gorkov self-consistent Green's function calculations

NUCLEAR STRUCTURE 40,44Ca, 44Ti; calculated binding energies, number of three-quasiparticle configurations, ground-state energy errors.

doi: 10.1140/epja/s10050-021-00606-5
Citations: PlumX Metrics


2021SO14      Eur.Phys.J. A 57, 135 (2021)

V.Soma, C.Barbieri, T.Duguet, P.Navratil

Moving away from singly-magic nuclei with Gorkov Green's function theory

NUCLEAR STRUCTURE Z=18-24; calculated binding and two-neutron separation energies, one- and two-proton separation energies, two-neutron shell gaps, root mean square charge radii within the Gorkov self-consistent Green's function approach at second order and make use of two state-of-the-art two- plus three-nucleon Hamiltonians. Comparison with available data.

doi: 10.1140/epja/s10050-021-00437-4
Citations: PlumX Metrics


2020DE11      Phys.Rev. C 101, 041302 (2020)

P.Demol, T.Duguet, A.Ekstrom, M.Frosini, K.Hebeler, S.Konig, D.Lee, A.Schwenk, V.Soma, A.Tichai

Improved many-body expansions from eigenvector continuation

NUCLEAR STRUCTURE 3H, 18O; calculated ground state energies using many-body perturbation theory (MBPT)-based eigenvector continuation (EC) resummation method for 3He, and Bogoliubov many-body perturbation theory (BMBPT)-based EC resummation method for 16O, using realistic nuclear two-body interaction derived from chiral effective field theory. Comparison with MBPT, BMBPT, and MBPT-based Pade approximation calculations.

doi: 10.1103/PhysRevC.101.041302
Citations: PlumX Metrics


2020DR02      Eur.Phys.J. A 56, 119 (2020)

M.Drissi, T.Duguet, V.Soma

Renormalization of pionless effective field theory in the A-body sector

doi: 10.1140/epja/s10050-020-00097-w
Citations: PlumX Metrics


2020MO25      Phys.Rev. C 102, 014301 (2020)

M.Mougeot, D.Atanasov, C.Barbieri, K.Blaum, M.Breitenfeld, A.de Roubin, T.Duguet, S.George, F.Herfurth, A.Herlert, J.D.Holt, J.Karthein, D.Lunney, V.Manea, P.Navratil, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Schwenk, V.Soma, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Examining the N=28 shell closure through high-precision mass measurements of 46-48Ar

ATOMIC MASSES 46,47,48Ar; measured Ramsey-type time-of-flight ion-cyclotron-resonances (TOF-ICR), mass excesses using the ISOLTRAP Penning trap mass spectrometer at CERN-ISOLDE. Comparison with previous experimental results, and with AME2016 and AME2012 evaluations. Radioactive argon isotopes produced in U(p, F), E=1.4 GeV reaction, and separated using ISOLTRAP on-line mass spectrometer and the ISOLDE High-Resolution Separator (HRS). Comparison with ab initio calculations using the valence space in-medium similarity renormalization group (VS-IMSRG) with self-consistent Green's function approach, and with the predictions from the UNEDF0 density functional, SDPF-U shell model. Systematics of S(2n) and pairing gaps in N=24-32 S, Cl, Ar, K, and Ca isotopes.

doi: 10.1103/PhysRevC.102.014301
Citations: PlumX Metrics


2020SO01      Phys.Rev. C 101, 014318 (2020)

V.Soma, P.Navratil, F.Raimondi, C.Barbieri, T.Duguet

Novel chiral Hamiltonian and observables in light and medium-mass nuclei

NUCLEAR STRUCTURE 3H, 3,4,6,8He, 6,7,9Li, 7,8,9,10Be, 10,11B, 12,13,14C, 14N, 14,16O, 36Ca, 68Ni; calculated ground-state energies. 6,7,9Li, 8,9Be, 10,11B, 12,13C; calculated levels, J, π. 12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28O, 34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,70Ca, 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78Ni; calculated total binding energies, S(2n), rms charge radii. 16O, 40Ca, 58Ni; calculated charge density distribution. 47,49,53,55Ca, 53K, 55Sc; calculated levels, J, π populated in one-neutron removal and addition from and to 48Ca and 54Ca. 37,39,41,43,45,47,49,51,53,55K; calculated energies of the first excited states. 16O, 36Ca, 56Ni; calculated binding energies. 18O, 52Ca, 64Ni; calculated rms charge radii. 39K, 49,53Ca; calculated one-nucleon separation energies. 16,22,24O, 36,40,48,52,54,60Ca, 48,56,68Ni; calculated binding energy per particle for doubly closed-shell nuclei. State-of-the-art no-core shell model and self-consistent Green's function approaches with NN+3N(lnl) interaction, and with comparisons made with NNLOsat and NN+3N(400) interactions, and with experimental data.

doi: 10.1103/PhysRevC.101.014318
Citations: PlumX Metrics


2020SU06      Phys.Lett. B 802, 135215 (2020)

Y.L.Sun, A.Obertelli, P.Doornenbal, C.Barbieri, Y.Chazono, T.Duguet, H.N.Liu, P.Navratil, F.Nowacki, K.Ogata, T.Otsuka, F.Raimondi, V.Soma, Y.Utsuno, K.Yoshida, N.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

Restoration of the natural E(1/2+1)-E(3/2+1) energy splitting in odd-K isotopes towards N = 40

NUCLEAR REACTIONS 52,54Ca(p, 2p)51K/53K, E ∼ 250 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, partial σ. Comparison with ab initio and shell-model calculations with improved phenomenological effective interactions.

doi: 10.1016/j.physletb.2020.135215
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019BA50      Phys.Rev. C 100, 062501 (2019)

C.Barbieri, N.Rocco, V.Soma

Lepton scattering from 40Ar and 48Ti in the quasielastic peak region

NUCLEAR STRUCTURE 40Ar, 40Ca, 48Ti; calculated radii and charge density distributions, neutron and proton spectral function using the ab initio self-consistent Green's function (SCGF) theory with saturating chiral interactions. Comparison with experimental data.

NUCLEAR REACTIONS 40Ar, 48Ti(e, e'), E=2.2 GeV; 12C, 40Ar, 48Ti(ν, ν), (ν, μ-), E=1.0 GeV; calculated inclusive differential σ for electron scattering, and double differential quasielastic neutral and charged current cross sections for muon neutrino scattering, using the calculated spectral functions. Comparison with experimental data from Jefferson Lab. Relevance to long-based neutrino oscillations experiments.

doi: 10.1103/PhysRevC.100.062501
Citations: PlumX Metrics


2019CH43      Phys.Rev.Lett. 123, 142501 (2019)

S.Chen, J.Lee, P.Doornenbal, A.Obertelli, C.Barbieri, Y.Chazono, P.Navratil, K.Ogata, T.Otsuka, F.Raimondi, V.Soma, Y.Utsuno, K.Yoshida, H.Baba, F.Browne, D.Calvet, F.Chateau, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, J.Kahlbow, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, N.Achouri, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

Quasifree Neutron Knockout from 54Ca Corroborates Arising N=34 Neutron Magic Number

NUCLEAR REACTIONS 1H(54Ca, X)53Ca, E=216 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, exclusive σ, inclusive parallel momentum distributions. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.123.142501
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2644. Data from this article have been entered in the XUNDL database. For more information, click here.


2018LE03      Phys.Rev.Lett. 120, 062503 (2018)

E.Leistenschneider, M.P.Reiter, S.Ayet San Andres, B.Kootte, J.D.Holt, P.Navratil, C.Babcock, C.Barbieri, B.R.Barquest, J.Bergmann, J.Bollig, T.Brunner, E.Dunling, A.Finlay, H.Geissel, L.Graham, F.Greiner, H.Hergert, C.Hornung, C.Jesch, R.Klawitter, Y.Lan, D.Lascar, K.G.Leach, W.Lippert, J.E.McKay, S.F.Paul, A.Schwenk, D.Short, J.Simonis, V.Soma, R.Steinbrugge, S.R.Stroberg, R.Thompson, M.E.Wieser, C.Will, M.Yavor, C.Andreoiu, T.Dickel, I.Dillmann, G.Gwinner, W.R.Plass, C.Scheidenberger, A.A.Kwiatkowski, J.Dilling

Dawning of the N=32 Shell Closure Seen through Precision Mass Measurements of Neutron-Rich Titanium Isotopes

ATOMIC MASSES 51V, 51,52,53,54,55Ti, 52,53,54,55Cr; measured radio frequencies, TOF; deduced mass excesses. Comparison with the AME16 recommended values.

doi: 10.1103/PhysRevLett.120.062503
Citations: PlumX Metrics


2018TI07      Phys.Lett. B 786, 195 (2018)

A.Tichai, P.Arthuis, T.Duguet, H.Hergert, V.Soma, R.Roth

Bogoliubov many-body perturbation theory for open-shell nuclei

NUCLEAR STRUCTURE 14,16,18,20,22,24,26,28O, 34,36,38,40,42,44,46,48,50,52,54,56,58,60Ca, 48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78Ni; calculated absolute ground-state binding energies and two-neutron separation energies. A Rayleigh–Schrodinger many-body perturbation theory (MBPT) approach.

doi: 10.1016/j.physletb.2018.09.044
Citations: PlumX Metrics


2017DU03      Phys.Rev. C 95, 034319 (2017)

T.Duguet, V.Soma, S.Lecluse, C.Barbieri, P.Navratil

Ab initio calculation of the potential bubble nucleus 34Si

NUCLEAR STRUCTURE 34Si, 36S; calculated ground-state energies, rms charge radii, point-proton, point-neutron, matter and charge rms radii, point-proton and point-neutron density distributions, proton and neutron natural orbital occupations, point-proton depletion factor, angular dependence of form factor in (e, e') at 300 MeV, one-nucleon addition and removal spectral strength distributions and associated effective single-particle energies, reduction of 1/2- to 3/2- spin-orbit splitting, and effective single-particle energies within the ADC(1), ADC(2) and ADC(3) approximations. 35Si, 37S, 33Al, 35P; calculated low-lying levels, J, π from one-neutron addition via (d, p) reaction and via one-proton knock-out reactions. 34Si, 36S; reduction of 1/2- to 3/2- spin-orbit splitting, effective single-particle energies. Semibubble or bubble structures. Performed ab initio self-consistent Green's function many-body calculations with a combination of two-nucleon (2N) and three-nucleon (3N) interactions obtained by chiral effective field theory (χEFT) at next-to-next-to leading order (N2LO). Comparison with available experimental data.

doi: 10.1103/PhysRevC.95.034319
Citations: PlumX Metrics


2016LA16      Phys.Rev.Lett. 117, 052501 (2016)

V.Lapoux, V.Soma, C.Barbieri, H.Hergert, J.D.Holt, S.R.Stroberg

Radii and Binding Energies in Oxygen Isotopes: A Challenge for Nuclear Forces

NUCLEAR STRUCTURE 14,15,16,17,18,19,20,21,22,23,24O; analyzed available data; calculated proton and neutron radii, binding energies. ab initio calculations with conventional nuclear interactions derived within chiral effective field theory.

doi: 10.1103/PhysRevLett.117.052501
Citations: PlumX Metrics


2015DU11      Phys.Rev. C 92, 034313 (2015)

T.Duguet, H.Hergert, J.D.Holt, V.Soma

Nonobservable nature of the nuclear shell structure: Meaning, illustrations, and consequences

NUCLEAR STRUCTURE 40,42,44,46,48,50,52,54,56,58,60Ca; calculated effective single-particle energies (ESPEs), energies of first 2+ states using Shell model. 22,24O; calculated Fermi gap in the ESPE spectrum and the first 2+ excitation energy using microscopic shell model based on realistic 2N and 3N interactions. 74Ni; calculated spectral strength distribution for one-neutron addition and removal processes, ESPEs using self-consistent Gorkov Green's function with a realistic 2N chiral interaction. 14,16,18,20,22,24O; calculated binding energies, S(n) with dominant spectroscopic factors versus neutron ESPEs, residual spreads of separation energies and ESPEs, two-nucleon shell gap versus ESPE Fermi gap, spectroscopic factors associated with one neutron addition and removal process on the ground states. State-of-the-art multireference in-medium SRG and self-consistent Gorkov Green's function many-body calculations based on chiral two- and three-nucleon interactions to illustrate nonobservable aspects of the one-nucleon shell structure.

doi: 10.1103/PhysRevC.92.034313
Citations: PlumX Metrics


2015DU17      Eur.Phys.J. A 51, 162 (2015)

T.Duguet, M.Bender, J.-P.Ebran, T.Lesinski, V.Soma

Ab initio-driven nuclear energy density functional method - A proposal for safe/correlated/improvable parametrizations of the off-diagonal EDF kernels

doi: 10.1140/epja/i2015-15162-4
Citations: PlumX Metrics


2015RO10      Phys.Rev.Lett. 114, 202501 (2015)

M.Rosenbusch, P.Ascher, D.Atanasov, C.Barbieri, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, R.B.Cakirli, A.Cipollone, S.George, F.Herfurth, M.Kowalska, S.Kreim, D.Lunney, V.Manea, P.Navratil, D.Neidherr, L.Schweikhard, V.Soma, J.Stanja, F.Wienholtz, R.N.Wolf, K.Zuber

Probing the N=32 Shell Closure below the Magic Proton Number Z=20: Mass Measurements of the Exotic Isotopes 52, 53K

ATOMIC MASSES 52,53K; measured time-of-flight spectra for nuclides; deduced masses. Comparison with Skyrme-Hartree-Fock-Bogoliubov and ab initio Gorkov-Green function calculations.

doi: 10.1103/PhysRevLett.114.202501
Citations: PlumX Metrics


2014DR01      Phys.Rev. C 89, 025806 (2014)

C.Drischler, V.Soma, A.Schwenk

Microscopic calculations and energy expansions for neutron-rich matter

doi: 10.1103/PhysRevC.89.025806
Citations: PlumX Metrics


2014PA45      Phys.Rev. C 90, 034321 (2014)

J.Papuga, M.L.Bissell, K.Kreim, C.Barbieri, K.Blaum, M.De Rydt, T.Duguet, R.F.Garcia Ruiz, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, R.Sanchez, N.Smirnova, V.Soma, D.T.Yordanov

Shell structure of potassium isotopes deduced from their magnetic moments

NUCLEAR MOMENTS 38,38m,39,42,44,46,47,48,49,50,51K; measured hyperfine structure using high-resolution collinear laser spectroscope COLLAPS and Paul trap ISCOOL at ISOLDE-CERN; deduced J, magnetic moments, configurations, magnetic hyperfine parameters. Potassium isotopes produced in U(p, X), E=1 GeV at ISOLDE-CERN. 38,40,41,42,43,44,45,46,47,48,49,51K; deduced hyperfine structure anomalies. Comparison with shell model calculations using SDPF-NR and SDPF-U effective interactions, and with previous experimental results.

doi: 10.1103/PhysRevC.90.034321
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2014SO02      Phys.Rev. C 89, 024323 (2014)

V.Soma, C.Barbieri, T.Duguet

Ab initio self-consistent Gorkov-Green's function calculations of semi-magic nuclei: Numerical implementation at second order with a two-nucleon interaction

NUCLEAR STRUCTURE 4He, 12C, 20O, 44Ca; calculated binding energies. 40Ti; calculated neutron and proton effective single-particle energies, one-neutron addition and removal strength distribution. 41Ti; calculated density of 1/2+ states in as a function of their excitation energy. Self-consistent Gorkov-Green function theory with multi-pivot Lanczos algorithm and Krylov projection techniques.

doi: 10.1103/PhysRevC.89.024323
Citations: PlumX Metrics


2014SO09      Phys.Rev. C 89, 061301 (2014)

V.Soma, A.Cipollone, C.Barbieri, P.Navratil, T.Duguet

Chiral two- and three-nucleon forces along medium-mass isotope chains

NUCLEAR STRUCTURE 51K; calculated binding energy. 36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52Ca; calculated ground-state energies, S(2n). 36,38,40,42,44,46,48,50Ar, 37,39,41,43,45,47,49,51K, 39,41,43,45,47,49,51,53Sc, 40,42,44,46,48,50,52,54Ti; calculated S(2n). Ab initio calculations using Gorkov-Green's function approach for open-shell nuclei. Chiral two- and three-nucleon interactions. Comparison with other theoretical calculations, and with experimental data from AME-2012.

doi: 10.1103/PhysRevC.89.061301
Citations: PlumX Metrics


2013SO03      Phys.Rev. C 87, 011303 (2013)

V.Soma, C.Barbieri, T.Duguet

Ab initio Gorkov-Green's function calculations of open-shell nuclei

NUCLEAR STRUCTURE 44Ca, 74Ni; calculated binding energy, neutron pairing gap, matter RMS radius, neutron addition and neutron removal spectral strength distributions to states in 43,45Ca, 73,75Ni. Z=20, N=36-52; calculated binding energies of Ca isotopes. The ab initio self-consistent Gorkov-Green's function theory.

doi: 10.1103/PhysRevC.87.011303
Citations: PlumX Metrics


2012RI01      Phys.Rev.Lett. 108, 012501 (2012)

A.Rios, V.Soma

Self-Consistent Green's Function Calculation of the Nucleon Mean Free Path

doi: 10.1103/PhysRevLett.108.012501
Citations: PlumX Metrics


2012SO11      J.Phys.:Conf.Ser. 337, 012001 (2012)

V.Soma, T.Duguet, C.Barbieri

Self-consistent Gorkov Green's function calculations of one-nucleon spectral properties

NUCLEAR STRUCTURE 40,44Ca; calculated neutron spectral strength distributions using self-consistent Gorkov Green's function.

doi: 10.1088/1742-6596/337/1/012001
Citations: PlumX Metrics


2011SO32      Phys.Rev. C 84, 064317 (2011)

V.Soma, T.Duguet, C.Barbieri

Ab initio self-consistent Gorkov-Green's function calculations of semimagic nuclei: Formalism at second order with a two-nucleon interaction

doi: 10.1103/PhysRevC.84.064317
Citations: PlumX Metrics


2009SO14      Phys.Rev. C 80, 025803 (2009)

V.Soma, P.Bozek

Thermodynamic properties of nuclear matter with three-body forces

doi: 10.1103/PhysRevC.80.025803
Citations: PlumX Metrics


2008SO18      Phys.Rev. C 78, 054003 (2008)

V.Soma, P.Bozek

In-medium T matrix for nuclear matter with three-body forces: Binding energy and single-particle properties

doi: 10.1103/PhysRevC.78.054003
Citations: PlumX Metrics


2006SO11      Phys.Rev. C 74, 045809 (2006)

V.Soma, P.Bozek

Diagrammatic calculation of thermodynamical quantities in nuclear matter

doi: 10.1103/PhysRevC.74.045809
Citations: PlumX Metrics


2006SO17      Acta Phys.Pol. B37, 3399 (2006)

V.Soma, P.Bozek

Thermodynamic properties of nuclear matter at finite temperature


Back to query form