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NSR database version of April 11, 2024.

Search: Author = P.Navratil

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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
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2023CH04      Phys.Rev. C 107, 014309 (2023)

P.Choudhary, P.C.Srivastava, M.Gennari, P.Navratil

Ab initio no-core shell-model description of 10-14C isotopes

NUCLEAR STRUCTURE 10,11,12,13,14C; calculated levels, J, π, ground state energy, quadrupole moment, magnetic moment, B(E2), B(M1), point-proton radii, proton and neutron ground-state densities. Ab initio no-core shell-model with CDB2K, INOY, N3LO, and N2LOopt NN interactions. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.014309
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2023KR09      Phys.Lett. B 845, 138156 (2023)

K.Kravvaris, P.Navratil, S.Quaglioni, C.Hebborn, G.Hupin

Ab initio informed evaluation of the radiative capture of protons on 7Be

NUCLEAR REACTIONS 7Be(p, γ), E(cm)<10 MeV; analyzed available data; deduced eigenphase shifts, S-factors using a set of first-principle (or, ab initio) calculations to provide an independent prediction of the low-energy S-factor with quantified uncertainties.

doi: 10.1016/j.physletb.2023.138156
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2022AT02      Phys.Rev. C 105, 054316 (2022)

M.C.Atkinson, P.Navratil, G.Hupin, K.Kravvaris, S.Quaglioni

Ab initio calculation of the β decay from 11Be to a 10Be + p resonance

RADIOACTIVITY 11Be(β-p); calculated β-delayed proton emission branching ratio, Gamow-teller transitions strength. Ab-initio no-core shell model with continuum (NCSMC). Comparison to experimental data.

NUCLEAR STRUCTURE 11Be, 11B; calculated levels, J, π, diagonal phase and eigenphase shifts in 10Be+p system, spectroscopic factors, resonances. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.054316
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2022GL03      Phys.Lett. B 832, 137224 (2022)

A.Glick-Magid, C.Forssen, D.Gazda, D.Gazit, P.Gysbers, P.Navratil

Nuclear ab initio calculations of 6He β-decay for beyond the Standard Model studies

RADIOACTIVITY 6He(β-); calculated the nuclear structure corrections using the impulse approximation together with wave functions calculated using the ab initio no-core shell model with potentials based on chiral effective field theory; deduced significant deviation from the naive Gamow-Teller predictions.

doi: 10.1016/j.physletb.2022.137259
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2022HE12      Phys.Rev.Lett. 129, 042503 (2022)

C.Hebborn, G.Hupin, K.Kravvaris, S.Quaglioni, P.Navratil, P.Gysbers

Ab Initio Prediction of the 4He(d, γ)6Li Big Bang Radiative Capture

NUCLEAR REACTIONS 4He(d, γ)6Li, E<1 MeV; calculated S-factor, thermonuclear reaction rates, ground-state properties. The ab initio no-core shell model with continuum. Comparison with available data.

doi: 10.1103/PhysRevLett.129.042503
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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
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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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2022MI01      Phys.Rev. C 105, 014302 (2022)

T.Miyagi, S.R.Stroberg, P.Navratil, K.Hebeler, J.D.Holt

Converged ab initio calculations of heavy nuclei

NUCLEAR STRUCTURE 132Sn; calculated ground-state energy, rms point-proton and point-neutron radii, and neutron skin thickness using many-body perturbation theory (MBPT(2)), Hartree-Fock based many-body perturbation theory (HF-MBPT(3)) to second and third order, and in-medium similarity renormalization group (IMSRG(2)). 127Cd; calculated excitation spectrum computed in valence-space (VS)IMSRG(2) approximation. 126,128,130,132,134,136Sn; calculated energies of the first 2+ states using (VS)IMSRG(2) approximation, and compared with experimental data. Ab initio calculations of atomic nuclei with a proposed novel storage scheme for three-nucleon (3N) interaction matrix elements for the normal-ordered two-body (NO2B) approximation. Relevance to neutron skin of 208Pb, neutrinoless double-β decays and dark matter searches in germanium, selenium, xenon and tellurium.

doi: 10.1103/PhysRevC.105.014302
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2022TE06      Few-Body Systems 63, 67 (2022)

I.Tews, Z.Davoudi, A.Ekstrom, J.D.Holt, K.Becker, R.Briceno, D.J.Dean, W.Detmold, C.Drischler, T.Duguet, E.Epelbaum, A.Gasparyan, J.Gegelia, J.R.Green, H.W.Griesshammer, A.D.Hanlon, M.Heinz, H.Hergert, M.Hoferichter, M.Illa, D.Kekejian, A.Kievsky, S.Konig, H.Krebs, K.D.Launey, D.Lee, P.Navratil, A.Nicholson, A.Parreno, D.R.Phillips, M.Ploszajczak, X.-L.Ren, T.R.Richardson, C.Robin, G.H.Sargsyan, M.J.Savage, M.R.Schindler, P.E.Shanahan, R.P.Springer, A.Tichai, U.van Kolck, M.L.Wagman, A.Walker-Loud, C.-J.Yang, X.Zhang

Nuclear Forces for Precision Nuclear Physics: A Collection of Perspectives

doi: 10.1007/s00601-022-01749-x
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2022VO02      Phys.Rev. C 105, 014621 (2022)

M.Vorabbi, M.Gennari, P.Finelli, C.Giusti, P.Navratil, R.Machleidt

Elastic proton scattering off nonzero spin nuclei

NUCLEAR REACTIONS 6,7Li, 13C(polarized p, p), E=200 MeV; 10B(polarized p, p), E=197 MeV; 1H(9C, p), E=290 MeV; calculated σ(θ) and analyzing powers Ay(θ) using microscopic optical potential (OP) and chiral theories for the nucleon-nucleon (NN) interaction, extended to include the spin of the target nucleus. Comparison with experimental data.

doi: 10.1103/PhysRevC.105.014621
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2021CH45      Phys.Rev. C 104, 024325 (2021)

R.J.Charity, T.B.Webb, J.M.Elson, D.E.M.Hoff, C.D.Pruitt, L.G.Sobotka, P.Navratil, G.Hupin, K.Kravvaris, S.Quaglioni, K.W.Brown, G.Cerizza, J.Estee, W.G.Lynch, J.Manfredi, P.Morfouace, C.Santamaria, S.Sweany, M.B.Tsang, T.Tsang, K.Zhu, S.A.Kuvin, D.McNeel, J.Smith, A.H.Wuosmaa, Z.Chajecki

Using spin alignment of inelastically excited nuclei in fast beams to assign spins: The spectroscopy of 13O as a test case

NUCLEAR REACTIONS 9Be(13O, 13O'), E=69.5 MeV/nucleon, [secondary 13O beam from 9Be(16O, X), E=150 MeV/nucleon primary reaction, followed by separation of fragments using A1900 fragment separator at NSCL-MSU facility]; measured charged particles, angular distribution of protons in 1p- and 2p-decays of the excited states of 13O using High Resolution Array (HiRA) of 14 ΔE-E (Si-CsI(Tl)) telescopes; deduced invariant-mass distributions of the p+12N and 2p+11C events from the decay of 13O excited states. 13O; deduced levels, resonances, J, π, Γ, E(p), possibly rotational bands built on deformed cluster configurations predicted by antisymmetrized molecular dynamics (AMD) calculations. Comparison of p(θ) data with DWBA using FRESCO code, and level structure of 13O with ab initio no-core shell model with continuum (NCSMC), and with the structure of 13B mirror nucleus.

doi: 10.1103/PhysRevC.104.024325
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2021FR07      Phys.Rev. C 104, 025502 (2021)

P.Froese, P.Navratil

Ab initio calculations of electric dipole moments of light nuclei

NUCLEAR MOMENTS 3He, 6,7Li, 9Be, 10,11B, 13C, 14,15N, 19F; calculated electric dipole moments (EDM), and magnetic dipole moments, nucleonic and polarization contributions to EDM using ab initio no-core shell model (NCSM), with chiral two- and three-body interactions and a PT-violating Hamiltonian based on a one-meson-exchange model, and NCSM with continuum for 11Be halo nucleus; deduced candidate nuclei in the search for a measurable permanent electric dipole moment. Comparison with experimental values of magnetic dipole moments.

doi: 10.1103/PhysRevC.104.025502
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2021HO15      Phys.Lett. B 822, 136710 (2021)

M.Holl, R.Kanungo, Z.H.Sun, G.Hagen, J.A.Lay, A.M.Moro, P.Navratil, T.Papenbrock, M.Alcorta, D.Connolly, B.Davids, A.Diaz Varela, M.Gennari, G.Hackman, J.Henderson, S.Ishimoto, A.I.Kilic, R.Krucken, A.Lennarz, J.Liang, J.Measures, W.Mittig, O.Paetkau, A.Psaltis, S.Quaglioni, J.S.Randhawa, J.Smallcombe, I.J.Thompson, M.Vorabbi, M.Williams

Proton inelastic scattering reveals deformation in 8He

NUCLEAR REACTIONS 1H(8He, p), E=8.25 MeV/nucleon; measured reaction products, Ep, Ip. 8He; deduced σ(θ), resonance parameters, first 2+ state, quadrupole deformation parameter. Comparison with no-core shell model predictions. Charged particle spectroscopy station IRIS at TRIUMF in Canada.

doi: 10.1016/j.physletb.2021.136710
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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
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2021MC03      Phys.Rev. C 103, 035801 (2021)

C.McCracken, P.Navratil, A.McCoy, S.Quaglioni, G.Hupin

Microscopic investigation of the 8Li(n, γ)9Li reaction

NUCLEAR STRUCTURE 8,9Li; calculated ground-state energies, levels, J, π, quadrupole and magnetic moments, B(M1). 9Li; calculated energies of bound-states and low-lying resonances with respect to the 8Li+n threshold, 8Li+n eignestates and eigenphase shifts, 3/2- g.s. cluster form factors and asymptotic normalization coefficients (ANCs). No-core shell model with continuum (NCSMC) with chiral nucleon-nucleon and three-nucleon interactions. Comparison with experimental data.

NUCLEAR REACTIONS 8Li(n, γ)9Li, E<1.3 MeV; calculated capture σ(E) using NCSMC-phenomenological approach, and compared with experimental data from the NSCL-MSU Coulomb-dissociation experiment reported by 1998Ze01. 8Li(n, γ)9Li, T9=0.01-5; calculated astrophysical reaction rates from capture cross sections using NCSMC-phenomenological approach.

doi: 10.1103/PhysRevC.103.035801
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2021NA27      Phys.Rev. C 104, 064322 (2021)

P.Navratil

Translationally invariant matrix elements of general one-body operators

RADIOACTIVITY 6He(β-); calculated electron spectrum, nuclear matrix elements, one-body matrix elements of the seven basic multipole operators for electroweak processes, point proton, neutron, and matter radii, nuclear density from derivation of an expression for calculations of translationally invariant nuclear matrix elements for arbitrary one-body operators, based on the factorization of the c.m. and intrinsic components of the nuclear eigenstates, utilizing properties of harmonic oscillator (HO) wave functions. Discussed applications within the no-core shell-model (NCSM) method, and in the calculations of the nuclear structure recoil corrections for the β- decay of 6He. Relevance to precision tests of the standard model and searches for beyond the standard model physics.

doi: 10.1103/PhysRevC.104.064322
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2021NO04      Phys.Rev.Lett. 126, 182502 (2021)

S.Novario, P.Gysbers, J.Engel, G.Hagen, G.R.Jansen, T.D.Morris, P.Navratil, T.Papenbrock, S.Quaglioni

Coupled-Cluster Calculations of Neutrinoless Double-β Decay in 48Ca

RADIOACTIVITY 48Ca(2β-); calculated nuclear matrix element for the neutrinoless ββ-decay using coupled-cluster theory and nuclear interactions from chiral effective field theory.

doi: 10.1103/PhysRevLett.126.182502
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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
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2021VO03      Phys.Rev. C 103, 024604 (2021)

M.Vorabbi, M.Gennari, P.Finelli, C.Giusti, P.Navratil, R.Machleidt

Impact of three-body forces on elastic nucleon-nucleus scattering observables

NUCLEAR REACTIONS 12C(polarized p, p), E=122, 160, 200, 300 MeV; 16O(p, p), (polarized p, p), E=100, 135, 200, 318 MeV; 12C(n, n), E=108, 128, 155, 185, 225 MeV; calculated differential σ(E, θ), and analyzing power Ay(Ε, θ) using nonrelativistic optical model potentials obtained from the no-core shell model densities using two- and three-nucleon chiral interactions; deduced that contribution of the 3N force in the tNN matrix is small for the differential cross section and sizable for the spin observables such as analyzing power. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.024604
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2020CH40      Phys.Rev. C 102, 044309 (2020)

P.Choudhary, P.C.Srivastava, P.Navratil

Ab initio no-core shell model study of 10-14B isotopes with realistic NN interactions

NUCLEAR STRUCTURE 10,11,12,13,14B; calculated ground-state energies, levels, J, π, B(M1), B(E2), magnetic dipole and electric quadrupole moments, point-proton radii using ab initio no-core shell model (NCSM), with the INOY, CDB2K, N3LO, and N2LOopt interactions at their optimal harmonic oscillator (HO) frequencies. Comparison with shell model results using the YSOX interaction, and with experimental data.

doi: 10.1103/PhysRevC.102.044309
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2020KR08      Phys.Rev. C 102, 024616 (2020)

K.Kravvaris, K.R.Quinlan, S.Quaglioni, K.A.Wendt, P.Navratil

Quantifying uncertainties in neutron-α scattering with chiral nucleon-nucleon and three-nucleon forces

NUCLEAR REACTIONS 4He(n, n), (n, X)5He*, E(cm)<10.5 MeV; calculated phase shifts from third to fifth order of the chiral expansion in comparison to the empirical phase shifts obtained from R-matrix analysis of A=5 reaction data, phase shifts from the Gaussian process model (GPM) with local/nonlocal 3N force, Bayesian posterior distributions of low-energy constants for the contact plus one-pion exchange using the binding energies of 3H and 4He and the charge radius of 4He, positions and widths of n-α resonances. 4,5He; calculated ground-state energy, point-proton radius and charge radius, and associated chiral uncertainties using the chiral interaction models. Computation of structure and reaction observables for three-, four-, and five-nucleon systems within the ab initio frameworks of the no-core shell model and no-core shell model with continuum. Overall uncertainty budget of many-body calculations using Bayesian statistics. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.024616
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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
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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
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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
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2020VO04      Phys.Rev.Lett. 124, 162501 (2020)

M.Vorabbi, M.Gennari, P.Finelli, C.Giusti, P.Navratil

Elastic Antiproton-Nucleus Scattering from Chiral Forces

doi: 10.1103/PhysRevLett.124.162501
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2020ZH30      Phys.Rev.Lett. 125, 112503 (2020)

X.Zhang, S.R.Stroberg, P.Navratil, C.Gwak, J.A.Melendez, R.J.Furnstahl, J.D.Holt

Ab Initio Calculations of Low-Energy Nuclear Scattering Using Confining Potential Traps

NUCLEAR REACTIONS 4He, 24O(n, n), E<3.5 MeV; calculated phase shifts and error bands.

doi: 10.1103/PhysRevLett.125.112503
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2019BO10      Phys.Rev. C 100, 024617 (2019)

A.Bonaccorso, F.Cappuzzello, D.Carbone, M.Cavallaro, G.Hupin, P.Navratil, S.Quaglioni

Application of an ab initio S matrix to data analysis of transfer reactions to the continuum populating 11Be

NUCLEAR REACTIONS 9Be(18O, 16O)11Be, E=84 MeV; measured reaction products, 16O ejectiles; deduced differential cross section. Results compared to an ab initio no-core shell model calculation for continuum states. 11Be; deduced levels, wave functions of the n+10Be system. Experiment performed at the Tandem Van de Graaff facility of the Istituto Nazionale di Fisica Nucleare Laboratori Nazionali el Sud, Italy, using MAGNEX magnetic spectrometer to momentum analyze 16O particles.

doi: 10.1103/PhysRevC.100.024617
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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
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2019GE01      Phys.Rev. C 99, 024305 (2019)

M.Gennari, P.Navratil

Nuclear kinetic density from ab initio theory

NUCLEAR STRUCTURE 4,6,8He, 12C, 16O; calculated ground state proton, neutron, and nuclear kinetic density contours using ab initio nonlocal scalar one-body nuclear densities with no-core shell model (NCSM) approach and NN-N4LO(500)+3Nlnl interaction. Comparison to procedure applied in density functional theory (DFT). Benchmarking of c.m. removal procedures, and a bridge for comparison between ab initio and DFT many-body techniques.

doi: 10.1103/PhysRevC.99.024305
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2019GY02      Nat.Phys. 15, 428 (2019)

P.Gysbers, G.Hagen, J.D.Holt, G.R.Jansen, T.D.Morris, P.Navratil, T.Papenbrock, S.Quaglioni, A.Schwenk, S.R.Stroberg, K.A.Wendt

Discrepancy between experimental and theoretical β-decay rates resolved from first principles

NUCLEAR STRUCTURE 3H, 6Li, 7Be, 8He, 10C, 14O, 19,24Ne, 37K, 25,28Al, 24,26Na, 30Mg, 33,34P, 42,43,46Sc, 42,45Ti, 45,47V, 100Sn; calculated the Gamow–Teller strength for β decay.

doi: 10.1038/s41567-019-0450-7
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2019ID01      Phys.Rev.Lett. 123, 092501 (2019)

A.Idini, C.Barbieri, P.Navratil

Ab Initio Optical Potentials and Nucleon Scattering on Medium Mass Nuclei

NUCLEAR REACTIONS 16O, 40Ca(n, n), E<30 MeV; calculated σ, σ(θ); deduced ab initiooptical potentials from self-consistent Green's function theory.

doi: 10.1103/PhysRevLett.123.092501
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2019MI17      Phys.Rev. C 100, 034310 (2019)

T.Miyagi, T.Abe, M.Kohno, P.Navratil, R.Okamoto, T.Otsuka, N.Shimizu, S.R.Stroberg

Ground-state properties of doubly magic nuclei from the unitary-model-operator approach with chiral two- and three-nucleon forces

NUCLEAR STRUCTURE 4He, 16O, 40Ca; calculated ground-state energies, root-mean square (rms) radii, charge radii. Unitary-model-operator approach (UMOA), with similarity renormalization group (SRG) evolved nucleon-nucleon (NN) and three-nucleon (3N) interactions based on chiral effective field theory. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.034310
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2019RA06      Phys.Rev. C 99, 021301 (2019)

J.S.Randhawa, R.Kanungo, M.Holl, J.D.Holt, P.Navratil, S.R.Stroberg, G.Hagen, G.R.Jansen, M.Alcorta, C.Andreoiu, C.Barnes, C.Burbadge, D.Burke, A.A.Chen, A.Chester, G.Christian, S.Cruz, B.Davids, J.Even, G.Hackman, J.Henderson, S.Ishimoto, P.Jassal, S.Kaur, M.Keefe, D.Kisliuk, R.Krucken, J.Liang, J.Lighthall, E.McGee, J.Measures, M.Moukaddam, E.Padilla-Rodal, A.Shotter, I.J.Thompson, J.Turko, M.Williams, O.Workman

Observation of excited states in 20Mg sheds light on nuclear forces and shell evolution

NUCLEAR REACTIONS 2H(20Mg, d), (20Mg, d'), E=8.5 MeV/nucleon, [secondary 20Mg beam produced in Si(p, X), E=480 MeV fragmentation reaction using SiC target at ISAC-II facility]; measured scattered deuteron spectra, differential σ(θ) using annular single-sided silicon strip detector array and CsI(Tl) detectors (IRIS reaction spectroscopy facility) at TRIUMF. 20Mg; deduced levels, J, π, proton-unbound resonances. Comparison with ab initio calculations using the valence-space in-medium similarity renormalization-group (VS-IMSRG) approach.

doi: 10.1103/PhysRevC.99.021301
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2019VO06      Phys.Rev. C 100, 024304 (2019)

M.Vorabbi, P.Navratil, S.Quaglioni, G.Hupin

7Be and 7Li nuclei within the no-core shell model with continuum

NUCLEAR STRUCTURE 7Be, 7Li; calculated levels, resonances, J, π, cluster form factors of ground states, widths, phase shifts of 3He+4He and 6Li+p scattering for 7Be, and 3H+4He, 6Li+n, and 6He+p for 7Li. No-core shell model with continuum. Comparison with experimental data. Relevance to primordial nucleosynthesis, nuclear astrophysics, and fusion energy generation.

doi: 10.1103/PhysRevC.100.024304
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2018BR05      Nucl.Data Sheets 148, 1 (2018)

D.A.Brown, M.B.Chadwick, R.Capote, A.C.Kahler, A.Trkov, M.W.Herman, A.A.Sonzogni, Y.Danon, A.D.Carlson, M.Dunn, D.L.Smith, G.M.Hale, G.Arbanas, R.Arcilla, C.R.Bates, B.Beck, B.Becker, F.Brown, R.J.Casperson, J.Conlin, D.E.Cullen, M.-A.Descalle, R.Firestone, T.Gaines, K.H.Guber, A.I.Hawari, J.Holmes, T.D.Johnson, T.Kawano, B.C.Kiedrowski, A.J.Koning, S.Kopecky, L.Leal, J.P.Lestone, C.Lubitz, J.I.Marquez Damian, C.M.Mattoon, E.A.McCutchan, S.Mughabghab, P.Navratil, D.Neudecker, G.P.A.Nobre, G.Noguere, M.Paris, M.T.Pigni, A.J.Plompen, B.Pritychenko, V.G.Pronyaev, D.Roubtsov, D.Rochman, P.Romano, P.Schillebeeckx, S.Simakov, M.Sin, I.Sirakov, B.Sleaford, V.Sobes, E.S.Soukhovitskii, I.Stetcu, P.Talou, I.Thompson, S.van der Marck, L.Welser-Sherrill, D.Wiarda, M.White, J.L.Wormald, R.Q.Wright, M.Zerkle, G.Zerovnik, Y.Zhu

ENDF/B-VIII.0: The 8 th Major Release of the Nuclear Reaction Data Library with CIELO-project Cross Sections, New Standards and Thermal Scattering Data

COMPILATION Z=1-118; compiled, analyzed decay data, Maxwellian averaged neutron capture σ, neutron-induced fission σ.

NUCLEAR REACTIONS 1,2H, 3He, 6,7Li, 9Be, 10,11B, 12,13C, 14,15N, 16,17,18O, 19F, 20,21,22Ne, 22,23Na, 24,25,26Mg, 26,27Al, 28,29,30,31,32Si, 31P, 32,33,34,35,36S, 35,36,37Cl, 36,37,38,39,40,41Ar, 39,40,41K, 40,41,42,43,44,45,46,47,48Ca, 45Sc, 46,47,48,49,50Ti, 49,50,51V, 50,51,52,53,54Cr, 54,55Mn, 54,55,56,57,58Fe, 58,59Co, 58,59,60,61,62,63,64Ni, 63,64,65Cu, 64,65,66,67,68,69,70Zn, 69,70,71Ga, 70,71,72,73,74,75,76Ge, 73,74,75As, 74,75,76,77,78,79,80,81,82Se, 79,80,81Br, 78,79,80,81,82,83,84,85,86Kr, 85,86,87Rb, 84,85,86,87,88,89,90Sr, 89,90,91Y, 90,91,92,93,94,95,96Zr, 93,94,95Nb, 92,93,94,95,96,97,98,99,100Mo, 98,99Tc, 96,97,98,99,100,101,102,103,104,105,106Ru, 103,104,105Rh, 102,103,104,105,106,107,108,109,110Pd, 107,108,109,110,111,112,113,114,115,116,117,118Ag, 106,107,108,109,110,111,112,113,114,115,116Cd, 113,114,115In, 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126Sn, 121,122,123,124,125,126Sb, 120,121,122,123,124,125,126,127,128,129,130,121,132Te, 127,128,129,130,131,132,133,134,135I, 123,124,125,126,127,128,129,130,131,132,133,134,135,136Xe, 133,134,135,136,137Cs, 130,131,132,133,134,135,136,137,138,139,140Ba, 138,139,140La, 136,137,138,139,140,141,142,143,144Ce, 141,142,143Pr, 142,143,144,145,146,147,148,149,150Nd, 143,144,145,146,147,148,149,151Pm, 144,145,146,147,148,149,150,151,152,153,154Sm, 151,152,153,154,155,156,157Eu, 152,153,154,155,156,157,158,159,160Gd, 158,159,160,161Tb, 154,155,156,157,158,159,160,161,162,163,164Dy, 165,166Ho, 162,163,164,165,166,167,168,170,170Er, 168,169,170,171Tm, 168,169,170,171,172,173,174,175,176Yb, 175,176Lu, 174,175,176,177,178,179,180,181,182Hf, 180,181,182Ta, 180,181,182,183,184,185,186W, 185,186,187Re, 184,185,186,187,188,189,190,191,192Os, 191,192,193Ir, 190,191,192,193,194,195,196,197,198Pt, 197Au, 196,197,198,199,200,201,202,203,204Hg, 203,204,205Tl, 204,205,206,207,208,209,210Pb, 209,210Bi, 208,209,210Po, 223,224,225,226Ra, 225,226,227Ac, 227,228,229,230,231,232,233,234Th, 229,230,231,232,233Pa, 230,231,232,233,234,235,236,237,238,239,240,241U, 234,235,236,237,238,239Np, 236,237,238,239,240,241,242,243,244,245,246Pu, 240,241,242,243,244Am, 240,241,242,243,244,245,246,247,248,249,250Cm, 245,246,247,248,249,250Bk, 246,247,248,249,250,251,252,253,254Cf, 251,252,253,254,255Es, 255Fm(n, γ), E=30 keV; calculated Maxwellian-averaged σ using ENDF/B-VIII.0 evaluated neutron library. Comparison with ENDF/B-VII.1 and KADONIS values.

NUCLEAR REACTIONS 227,228,229,230,231,232,233,234Th, 229,230,231,232,233Pa, 230,231,232,233,234,235,236,237,238,239,240,241U, 234,235,236,237,238,239Np, 236,237,238,239,240,241,242,243,244,245,246Pu, 240,241,242,243,244Am, 240,241,242,243,244,245,246,247,248,249,250Cm, 245,246,247,248,249,250Bk, 246,247,248,249,250,251,252,253,254Cf, 251,252,253,254,255Es, 255Fm(n, γ), (n, F), E=thermal; calculated thermal σ. Comparison with ENDF/B-VII.1, JENDL-4.0u+ and Atlas of Neutron Resonances values.

doi: 10.1016/j.nds.2018.02.001
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2018GE01      Phys.Rev. C 97, 034619 (2018)

M.Gennari, M.Vorabbi, A.Calci, P.Navratil

Microscopic optical potentials derived from ab initio translationally invariant nonlocal one-body densities

NUCLEAR STRUCTURE 4,6,8He, 12C, 16O; calculated ground-state local and nonlocal neutron and proton densities using relativistic mean-field for spherical nuclei, and NN-N4LO(500)+3Nlnl interaction. Calculated densities applied to optical potential construction for analysis of elastic scattering reactions.

NUCLEAR REACTIONS 4He(p, p), (polarized p, p), E=72, 156, 200 MeV; 1H(6He, p), (8He, p), E=71, 200 MeV, and polarized proton targets; 12C(p, p), (polarized p, p), E=122, 160, 200 MeV; 16O(p, p), (polarized p, p), E=100, 135, 200 MeV; calculated differential σ(θ, E), analyzing powers Ay from translational invariant (trinv) local and nonlocal densities, and from center of mass (COM) contaminated density (wiCOM) and trinv nonlocal densities. Microscopic optical potentials with chiral NN-N4LO(500) interactions as the only input. Comparison with experimental data.

doi: 10.1103/PhysRevC.97.034619
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2018KU01      Phys.Lett. B 777, 250 (2018)

M.Kumar Raju, J.N.Orce, P.Navratil, G.C.Ball, T.E.Drake, S.Triambak, G.Hackman, C.J.Pearson, K.J.Abraham, E.H.Akakpo, H.Al Falou, R.Churchman, D.S.Cross, M.K.Djongolov, N.Erasmus, P.Finlay, A.B.Garnsworthy, P.E.Garrett, D.G.Jenkins, R.Kshetri, K.G.Leach, S.Masango, D.L.Mavela, C.V.Mehl, M.J.Mokgolobotho, C.Ngwetsheni, G.G.O'Neill, E.T.Rand, S.K.L.Sjue, C.S.Sumithrarachchi, C.E.Svensson, E.R.Tardiff, S.J.Williams, J.Wong

Reorientation-effect measurement of the first 2+ state in 12C: Confirmation of oblate deformation

NUCLEAR REACTIONS 194Pt(12C, 12C'), E=4.975 MeV/nucleon; measured reaction products, Eγ, Iγ. 12C; deduced γ-ray yields, B(E2) diagonal matrix element, oblate deformation. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.12.009
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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
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2018QU02      Phys.Rev. C 97, 034332 (2018)

S.Quaglioni, C.Romero-Redondo, P.Navratil, G.Hupin

Three-cluster dynamics within the ab initio no-core shell model with continuum: How many-body correlations and α clustering shape 6He

NUCLEAR STRUCTURE 6He; calculated ground-state energy, levels, J, π, matter and point-proton radii, S(2n); analyzed role of 4He+n+n clustering and many-body correlations in the ground and low-lying continuum states of the Borromean 6He nucleus. 4He; calculated ground-state energy, matter and point-proton radii. Extended ab initio no-core shell model (NCSM) with SRG-N3LONN potential to include bound and continuum nuclear systems in the proximity of a three-body breakup threshold. Comparison with available experimental data.

doi: 10.1103/PhysRevC.97.034332
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2018VO02      Phys.Rev. C 97, 034314 (2018)

M.Vorabbi, A.Calci, P.Navratil, M.K.G.Kruse, S.Quaglioni, G.Hupin

Structure of the exotic 9He nucleus from the no-core shell model with continuum

NUCLEAR STRUCTURE 9He; calculated n+8He continuum by ab initio no-core shell model with continuum (NCSMC) formalism and chiral nucleon-nucleon interactions at N4LO; deduced unbound character of 9He, and two resonant states, J, π. Comparison with structure of 10Li and 11B. 4,6,8He; calculated ground-state energies by NCSM using the SRG-evolved N4LO nucleon-nucleon potential. Comparison with available experimental data.

doi: 10.1103/PhysRevC.97.034314
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2018WI03      Phys.Rev. C 97, 064315 (2018)

R.Wirth, D.Gazda, P.Navratil, R.Roth

Hypernuclear no-core shell model

NUCLEAR STRUCTURE 4,5,6,7He; calculated ground state energies, excitation energies of low-lying states in 4,5,6,7He hypernuclei and 4,5,6He core nuclei using Jacobi-coordinate (J-NCSM) and Slater-determinant formulations of no-core shell model (NCSM) for the ab initio description of single-Λ hypernuclei. Comparison with available experimental values.

doi: 10.1103/PhysRevC.97.064315
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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
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2017ID03      Acta Phys.Pol. B48, 273 (2017)

A.Idini, C.Barbieri, P.Navratil

Ab Initio Optical Potentials and Nucleon Scattering on Medium Mass Nuclei

NUCLEAR REACTIONS 40Ca(n, n), E(cm)=13.56 MeV; calculated σ(θ) using newly constructed ab initio optical potential. Compared to data.

doi: 10.5506/APhysPolB.48.273
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2017KU11      Phys.Rev.Lett. 118, 262502 (2017)

A.Kumar, R.Kanungo, A.Calci, P.Navratil, A.Sanetullaev, M.Alcorta, V.Bildstein, G.Christian, B.Davids, J.Dohet-Eraly, J.Fallis, A.T.Gallant, G.Hackman, B.Hadinia, G.Hupin, S.Ishimoto, R.Krucken, A.T.Laffoley, J.Lighthall, D.Miller, S.Quaglioni, J.S.Randhawa, E.T.Rand, A.Rojas, R.Roth, A.Shotter, J.Tanaka, I.Tanihata, C.Unsworth

Nuclear Force Imprints Revealed on the Elastic Scattering of Protons with 10C

NUCLEAR REACTIONS 10C(p, p), E(cm)=4.15, 4.4 eV; measured reaction products, Ep, Ip; deduced σ(θ). Comparison with ab initio no-core shell model with continuum calculations.

doi: 10.1103/PhysRevLett.118.262502
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2017PA26      Phys.Rev. C 96, 034324 (2017)

N.M.Parzuchowski, S.R.Stroberg, P.Navratil, H.Hergert, S.K.Bogner

Ab initio electromagnetic observables with the in-medium similarity renormalization group

NUCLEAR STRUCTURE 14C; calculated energies of the ground state and first 2+ state, B(E2) for the first 2+ state. 2H; calculated energy, magnetic dipole moment, electric quadrupole moment and charge radius of the ground state. 6Li; calculated energies of ground-state and first 3+ state, quadrupole moments, B(M1), B(E2). 6He, 14C, 22O, 32S, 48Ca, 56,60Ni; calculated energies and B(E2) of first 2+ states. 14N; calculated energy and B(M1) of the first excited 0+ state. 32S, 32Cl; calculated energies, B(M1) and magnetic-dipole moments of first 1+ states. 16O, 40Ca; calculated energies and B(E3) of first 3- states. 14C, 22O, 32S; calculated E2 and M1 transition matrix elements. Equations-of-motion in-medium similarity renormalization group (EOM-IMSRG), and valence-space VS-IMSRG methods. Comparison with available experimental values, and theoretical calculations from no-core shell-model.

doi: 10.1103/PhysRevC.96.034324
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2016CA39      Phys.Rev.Lett. 117, 242501 (2016)

A.Calci, P.Navratil, R.Roth, J.Dohet-Eraly, S.Quaglioni, G.Hupin

Can Ab Initio Theory Explain the Phenomenon of Parity Inversion in 11Be?

NUCLEAR STRUCTURE 11Be; calculated J, π, B(E1). Comparison with experimental data.

doi: 10.1103/PhysRevLett.117.242501
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2016DO04      Phys.Lett. B 757, 430 (2016)

J.Dohet-Eraly, P.Navratil, S.Quaglioni, W.Horiuchi, G.Hupin, F.Raimondi

3He(α, γ)7Be and 3H(α, γ)7Li astrophysical S factors from the no-core shell model with continuum

NUCLEAR REACTIONS 3He, 3H(α, γ), E<4 MeV; calculated S-factors, σ using no-core shell model. Comparison with available data.

doi: 10.1016/j.physletb.2016.04.021
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2016JA03      Phys.Rev. C 94, 011301 (2016)

G.R.Jansen, M.D.Schuster, A.Signoracci, G.Hagen, P.Navratil

Open sd-shell nuclei from first principles

NUCLEAR STRUCTURE 18,19,20,21,22,23,24,25,26,27,28,29,30Ne, 20,21,22,23,24,25,26,27,28,29,30Mg; calculated ground-state energies. 24F, 19,20,24,25,26,27Ne, 22,23,24,25,26Mg; calculated low-spin levels, J, π, B(E2) strengths. Calculations are based on an extension of ab initio coupled-cluster effective interaction (CCEI) method. Comparison with experimental data taken from the ENSDF database.

doi: 10.1103/PhysRevC.94.011301
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2016KA37      Phys.Rev.Lett. 117, 102501 (2016)

R.Kanungo, W.Horiuchi, G.Hagen, G.R.Jansen, P.Navratil, F.Ameil, J.Atkinson, Y.Ayyad, D.Cortina-Gil, I.Dillmann, A.Estrade, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, M.Kimura, R.Knobel, J.Kurcewicz, Yu.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, C.Nociforo, H.J.Ong, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, P.Strmen, Y.Suzuki, M.Takechi, J.Tanaka, I.Tanihata, S.Terashima, J.Vargas, H.Weick, J.S.Winfield

Proton Distribution Radii of 12-19C Illuminate Features of Neutron Halos

NUCLEAR REACTIONS Be(20Ne, X), (40Ar, X)12C/13C/14C/15/16C/17C/18C/19C, E=1 GeV/nucleon; measured reaction products; deduced σ, root-mean-square proton and matter radii, neutron skin thickness. Comparison with ab initio calculations.

doi: 10.1103/PhysRevLett.117.102501
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2016NA12      Phys.Scr. 91, 053002 (2016)

P.Navratil, S.Quaglioni, G.Hupin, C.Romero-Redondo, A.Calci

Unified ab initio approaches to nuclear structure and reactions

NUCLEAR REACTIONS 7Be(p, γ), 3H(d, n), E<20 MeV; calculated S-factors, elastic phase shifts, σ.

doi: 10.1088/0031-8949/91/5/053002
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2016RA17      Phys.Rev. C 93, 054606 (2016)

F.Raimondi, G.Hupin, P.Navratil, S.Quaglioni

Deuteron-induced nucleon transfer reactions within an ab initio framework: First application to p-shell nuclei

NUCLEAR REACTIONS 7Li(d, d), E=0.6-1.8 MeV; 7Li(d, p), E=0.25-2.5 MeV; calculated differential and integrated σ(E), eigenphase shifts, resonant phase shifts, contribution of dominant partial waves. Ab initio method using no-core shell model (NCS) and microscopic-cluster states in the framework of resonating group method (RGM). Comparison with experimental cross section data. Relevance to formation of nuclei in primordial and stellar nucleosynthesis.

NUCLEAR STRUCTURE 7,8Li, 9Be; calculated levels, J, π. 2H; calculated ground-state and pseudostate energies. No-core shell model (NCS) approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.054606
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2016RO27      Phys.Rev.Lett. 117, 222501 (2016)

C.Romero-Redondo, S.Quaglioni, P.Navratil, G.Hupin

How Many-Body Correlations and α Clustering Shape 6He

NUCLEAR STRUCTURE 6He; analyzed available data; calculated g.s. energies, charge and matter radii, two-neutron separation energies.

doi: 10.1103/PhysRevLett.117.222501
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2015CI05      Phys.Rev. C 92, 014306 (2015)

A.Cipollone, C.Barbieri, P.Navratil

Chiral three-nucleon forces and the evolution of correlations along the oxygen isotopic chain

NUCLEAR STRUCTURE 15,17,23,25,29F, 15,17,21,23,25,27O; calculated levels, J, π for the addition and removal of a proton or neutron to/from closed-subshell oxygen isotopes of 14,16,22,24,28O, spin-orbit splittings, spectroscopic factors, energy evolution of dominant proton and neutron quasiparticle fragments, energy gaps between the dominant 5/2+ and 1/2- quasiparticles. 14,16,18,20,22,24,26,28O; calculated binding energies, matter and charge radii. 13,15,17,19,21,23,25,27N, 15,17,19,21,23,25,27,29F; calculated binding energies. Self-consistent Green's function (SCGF) theory using Dyson-ADC(3) method and Gorkov-SCGF formalism based on based on chiral NN + 3N interactions. Comparison with available experimental data.

doi: 10.1103/PhysRevC.92.014306
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2015EK01      Phys.Rev. C 91, 051301 (2015)

A.Ekstrom, G.R.Jansen, K.A.Wendt, G.Hagen, T.Papenbrock, B.D.Carlsson, C.Forssen, M.Hjorth-Jensen, P.Navratil, W.Nazarewicz

Accurate nuclear radii and binding energies from a chiral interaction

NUCLEAR STRUCTURE 2H, 4,8He, 6,9Li, 14C, 16O, 40Ca; calculated ground-state energies, charge radii, quadrupole moment for deuteron. 6Li, 14C, 16O, 22,24F, 22,24O, 40Ca; calculated levels, J, π, charge density in 16O, scattering lengths, and effective ranges in low-energy proton-proton scattering, scattering phase shifts in low-energy neutron-proton scattering, half-life for the β- decay of 3H; deduced consistently optimized interaction from chiral EFT at NNLO for nuclei and infinite nuclear matter. Coupled-cluster calculations based on chiral effective field theory interaction (NNLOsat). Comparison with experimental data.

doi: 10.1103/PhysRevC.91.051301
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2015HU04      Phys.Rev.Lett. 114, 212502 (2015)

G.Hupin, S.Quaglioni, P.Navratil

Unified Description of 6Li Structure and Deuterium-4He Dynamics with Chiral Two- and Three-Nucleon Forces

NUCLEAR STRUCTURE 6Li; calculated energy levels, J, π, ground-state properties. No core shell model calculations.

NUCLEAR REACTIONS 2H(α, d), 4He(d, d), E < 10 MeV; calculated σ(θ). Comparison with experimental data, a unified ab initio description.

doi: 10.1103/PhysRevLett.114.212502
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2015LA04      Phys.Rev. C 91, 021301 (2015)

J.Langhammer, P.Navratil, S.Quaglioni, G.Hupin, A.Calci, R.Roth

Continuum and three-nucleon force effects on 9Be energy levels

NUCLEAR STRUCTURE 9Be; calculated n-8Be phase shifts and eigenphase shifts for negative parity, levels, J, π relative to the n-8Be threshold. Calculations based on ab initio no-core shell model with continuum to include three-nucleon (3N) interactions.

doi: 10.1103/PhysRevC.91.021301
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2015MA48      Phys.Rev.Lett. 115, 102501 (2015)

H.Matsubara, A.Tamii, H.Nakada, T.Adachi, J.Carter, M.Dozono, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, W.Horiuchi, M.Itoh, T.Kawabata, S.Kuroita, Y.Maeda, P.Navratil, P.von Neumann-Cosel, R.Neveling, H.Okamura, L.Popescu, I.Poltoratska, A.Richter, B.Rubio, H.Sakaguchi, S.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, K.Suda, Y.Tameshige, H.Tokieda, Y.Yamada, M.Yosoi, J.Zenihiro

Nonquenched Isoscalar Spin-M1 Excitations in sd-Shell Nuclei

NUCLEAR REACTIONS 24Mg, 28Si, 32S, 36Ar(p, p'), E=295 MeV; measured reaction products, Ep, Ip; deduced σ(θ), σ(θ, E), the squared spin M1 nuclear transition matrix elements, no quenching for isoscalar spin M1 transitions, while the matrix elements for isovector spin M1 transitions are quenched by an amount comparable with the analogous Gamow-Teller transitions on those target nuclei. Comparison with no-core shell model (NCSM) calculations.

doi: 10.1103/PhysRevLett.115.102501
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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
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2015SC12      Phys.Rev. C 92, 014320 (2015)

M.D.Schuster, S.Quaglioni, C.W.Johnson, E.D.Jurgenson, P.Navratil

Operator evolution for ab initio electric dipole transitions of 4He

NUCLEAR REACTIONS 4He(γ, X), E>26 MeV; calculated total photoabsorption cross section, total dipole strength through renormalized matrix elements obtained in the framework of similarity renormalization (SRG) group method with NN+3N interactions. Comparison with experimental data.

NUCLEAR STRUCTURE 4He; calculated ground-state energy, point-proton root-mean-square radius, total dipole strength, and electric dipole polarizability using NN+3N Hamiltonians. The ab initio no-core shell-model calculations. Comparison with experimental results.

doi: 10.1103/PhysRevC.92.014320
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2015SM03      Phys.Rev. C 92, 064314 (2015)

D.Smalley, H.Iwasaki, P.Navratil, R.Roth, J.Langhammer, V.M.Bader, D.Bazin, J.S.Berryman, C.M.Campbell, J.Dohet-Eraly, P.Fallon, A.Gade, C.Langer, A.Lemasson, C.Loelius, A.O.Macchiavelli, C.Morse, J.Parker, S.Quaglioni, F.Recchia, S.R.Stroberg, D.Weisshaar, K.Whitmore, K.Wimmer

Lifetime measurements of 17C excited states and three-body and continuum effects

NUCLEAR REACTIONS 9Be(18C, 17C), E=74.2 MeV/nucleon, [secondary 18C beam from 9Be(22Ne, X), E=120 MeV/nucleon primary reaction using A1900 fragment separator at NSCL-MSU]; measured one-neutron knockout reaction products, Eγ, Iγ, (particle)γ-coin using GRETINA array for γ rays, and S800 spectrograph for particles, level half-lives using RDM method and a plunger device. 17C; deduced levels, J, π, B(M1). Comparison with importance-truncated no-core shell model (IT-NCSM), and importance-truncated no-core shell model with continuum (IT-NCSMC) calculations.

doi: 10.1103/PhysRevC.92.064314
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014DI10      Phys.Rev. C 90, 034302 (2014)

N.M.Dicaire, C.Omand, P.Navratil

Alternative similarity renormalization group generators in nuclear structure calculations

NUCLEAR STRUCTURE 3H, 4He, 6Li; calculated absolute values of the two-nucleon Hamiltonian matrix elements, ground-state energies. 6Li; calculated levels, J, π, magnetic dipole and electric quadrupole moments, B(M1). Comparison with experimental results. Alternative similarity renormalization group generator approach.

doi: 10.1103/PhysRevC.90.034302
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2014GA25      Few-Body Systems 55, 857 (2014)

D.Gazda, J.Mares, P.Navratil, R.Roth, R.Wirth

No-Core Shell Model for Nuclear Systems with Strangeness

NUCLEAR STRUCTURE 3,4H, 4He; calculated hypernuclei ground state, and separation energies. ab initio approach, comparison with available data.

doi: 10.1007/s00601-014-0848-9
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2014HU17      Few-Body Systems 55, 1013 (2014)

G.Hupin, S.Quaglioni, J.Langhammer, P.Navratil, A.Calci, R.Roth

Progress on Light-Ion Fusion Reactions with Three-Nucleon Forces

NUCLEAR REACTIONS 4He(n, n), E<16 MeV; calculated σ(θ), phase shifts. Comparison with available data.

doi: 10.1007/s00601-013-0800-4
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2014HU21      Phys.Rev. C 90, 061601 (2014)

G.Hupin, S.Quaglioni, P.Navratil

Predictive theory for elastic scattering and recoil of protons from 4He

NUCLEAR REACTIONS 4He(p, p), E<12 MeV; calculated p-4He phase shifts; σ(θ, E), centroids and widths of 3/2- and 1/2- resonances in 5Li. Comparison with several experimental results. Method involved solving the Schrodinger equation for five nucleons interacting through two and three-nucleon forces within the framework of chiral effective field theory. Relevance to ion-beam analysis of surface layers of solids, thin films, and fusion-reactor materials.

doi: 10.1103/PhysRevC.90.061601
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2014JA14      Phys.Rev.Lett. 113, 142502 (2014)

G.R.Jansen, J.Engel, G.Hagen, P.Navratil, A.Signoracci

Ab Initio Coupled-Cluster Effective Interactions for the Shell Model: Application to Neutron-Rich Oxygen and Carbon Isotopes

NUCLEAR STRUCTURE 19,20,21,22,23,24O, 17,18,19,20,21,22C; calculated energy levels, J, π. Comparison with available data.

doi: 10.1103/PhysRevLett.113.142502
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2014KW03      Phys.Lett. B 732, 210 (2014)

E.Kwan, C.Y.Wu, N.C.Summers, G.Hackman, T.E.Drake, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.J.Boston, H.C.Boston, A.Chester, A.Close, D.Cline, D.S.Cross, R.Dunlop, A.Finlay, A.B.Garnsworthy, A.B.Hayes, A.T.Laffoley, T.Nano, P.Navratil, C.J.Pearson, J.Pore, S.Quaglioni, C.E.Svensson, K.Starosta, I.J.Thompson, P.Voss, S.J.Williams, Z.M.Wang

Precision measurement of the electromagnetic dipole strengths in 11Be

NUCLEAR REACTIONS 196Pt(11Be, 11Be'), E=1.73, 2.09 MeV/nucleon;measured reaction products, Eγ, Iγ. 11Be; deduced yields, B(E1). Comparison with FRESCO code calculations.

doi: 10.1016/j.physletb.2014.03.049
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2014RO11      Phys.Rev.Lett. 113, 032503 (2014)

C.Romero-Redondo, S.Quaglioni, P.Navratil, G.Hupin

4He+n+n Continuum within an Ab initio Framework

NUCLEAR STRUCTURE 6He; calculated energy levels, J, π, widths, eigenphase shifts. Ab initio theory, three-cluster Schrodinger equation.

doi: 10.1103/PhysRevLett.113.032503
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2014RO23      Few-Body Systems 55, 927 (2014)

C.Romero-Redondo, P.Navratil, S.Quaglioni, G.Hupin

Ab Initio NCSM/RGM for Three-Body Cluster Systems and Application to 4He+n+n

NUCLEAR STRUCTURE 6,4He; calculated ground state energies, diagonal phase shifts for different J, π channels. Comparison with available data.

doi: 10.1007/s00601-014-0876-5
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2014SC08      Phys.Rev. C 90, 011301 (2014)

M.D.Schuster, S.Quaglioni, C.W.Johnson, E.D.Jurgenson, P.Navratil

Operator evolution for ab initio theory of light nuclei

NUCLEAR STRUCTURE 3H; calculated rms radius as a function of SRG evolution parameter. 4He; calculated ground-state energy, rms radius, and total strength of dipole transition, renormalization percent as a function of range of Gaussian operator. The ab initio calculations using similarity renormalization group (SRG). SRG-evolved operators in the two- and three-body spaces. Importance of three-body contribution at long range.

doi: 10.1103/PhysRevC.90.011301
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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
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2014WI05      Phys.Rev.Lett. 113, 192502 (2014)

R.Wirth, D.Gazda, P.Navratil, A.Calci, J.Langhammer, R.Roth

AbInitio Description of p-Shell Hypernuclei

NUCLEAR STRUCTURE 7Li, 9Be, 13C; calculated ground-state energy of s-shell hypernuclei, absolute and excitation energies.

doi: 10.1103/PhysRevLett.113.192502
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2013BA01      Phys.Rev.Lett. 110, 022505 (2013)

S.Baroni, P.Navratil, S.Quaglioni

Ab Initio Description of the Exotic Unbound 7He Nucleus

NUCLEAR STRUCTURE 4,6,7He; calculated energy levels, J, π, spectroscopic factors, phase shifts. Ab Initio calculations, comparison with Green's function Monte Carlo and NCSM calculations.

doi: 10.1103/PhysRevLett.110.022505
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2013BA02      Prog.Part.Nucl.Phys. 69, 131 (2013)

B.R.Barrett, P.Navratil, J.P.Vary

Ab initio no core shell model

doi: 10.1016/j.ppnp.2012.10.003
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2013BA11      Phys.Rev. C 87, 034326 (2013)

S.Baroni, P.Navratil, S.Quaglioni

Unified ab initio approach to bound and unbound states: No-core shell model with continuum and its application to 7He

NUCLEAR STRUCTURE 4,6,7He; calculated ground-state energies, levels, J, π, spectroscopic factors, resonance centroids, widths of bound and unbound states. No-core shell model with continuum (NCSMC) with resonating group method (RGM). Comparison with previous studies and experimental data.

doi: 10.1103/PhysRevC.87.034326
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2013BI01      Phys.Rev. C 87, 021303 (2013)

S.Binder, J.Langhammer, A.Calci, P.Navratil, R.Roth

Ab initio calculations of medium-mass nuclei with explicit chiral 3N interactions

NUCLEAR STRUCTURE 16,24O, 40,48Ca, 56Ni; calculated ground-state energies as functions of different parameters. Ab initio coupled-cluster calculations with chiral three-nucleon (3N) interactions.

doi: 10.1103/PhysRevC.87.021303
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2013BI13      Phys.Rev. C 88, 054319 (2013)

S.Binder, P.Piecuch, A.Calci, J.Langhammer, P.Navratil, R.Roth

Extension of coupled-cluster theory with a noniterative treatment of connected triply excited clusters to three-body Hamiltonians

NUCLEAR STRUCTURE 16,24O, 40Ca; calculated total binding energies using coupled-cluster (CC) approach with singles, doubles, and the noniterative treatment of triples and chiral NN interaction at N3LO. Role of residual normal-ordered three-body contributions.

doi: 10.1103/PhysRevC.88.054319
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2013BO19      Comput.Phys.Commun. 184, 085101 (2013)

S.Bogner, A.Bulgac, J.Carlson, J.Engel, G.Fann, R.J.Furnstahl, S.Gandolfi, G.Hagen, M.Horoi, C.Johnson, M.Kortelainen, E.Lusk, P.Maris, H.Nam, P.Navratil, W.Nazarewicz, E.Ng, G.P.A.Nobre, E.Ormand, T.Papenbrock, J.Pei, S.C.Pieper, S.Quaglioni, K.J.Roche, J.Sarich, N.Schunck, M.Sosonkina, J.Terasaki, I.Thompson, J.P.Vary, S.M.Wild

Computational nuclear quantum many-body problem: The UNEDF project

NUCLEAR REACTIONS 3He(d, p), 7Be(p, γ), E<1MeV; 172Yb, 188Os, 238U(γ, X), E<24 MeV; calculated σ. Comparison with experimental data.

NUCLEAR STRUCTURE 100Zr; calculated quadrupole deformation parameter, radii, neutron separation energy.

doi: 10.1016/j.cpc.2013.05.020
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2013CI04      Phys.Rev.Lett. 111, 062501 (2013)

A.Cipollone, C.Barbieri, P.Navratil

Isotopic Chains Around Oxygen from Evolved Chiral Two- and Three-Nucleon Interactions

NUCLEAR STRUCTURE 13,15,21,23,27N, 14,16,22,24,28O, 15,17,23,25,29F; calculated ground state energies, binding energies, evolution of single-particle energies. Self-consistent Green function theory, comparison with available data.

doi: 10.1103/PhysRevLett.111.062501
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2013FO11      J.Phys.(London) G40, 055105 (2013)

C.Forssen, R.Roth, P.Navratil

Systematics of 2+ states in C isotopes from the no-core shell model

NUCLEAR STRUCTURE 10,12,14,16,18,20C; calculated B(E2), electric quadrupole moments, excitation energies. NCSM calculations, comparison with available data.

doi: 10.1088/0954-3899/40/5/055105
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2013HU10      Phys.Rev. C 88, 054622 (2013)

G.Hupin, J.Langhammer, P.Navratil, S.Quaglioni, A.Calci, R.Roth

Ab initio many-body calculations of nucleon-4He scattering with three-nucleon forces

NUCLEAR REACTIONS 4He(n, n), E=11, 15 MeV; 4He(p, p), E=5.95, 9.89, 7.89, 11.99 MeV; calculated scattering differential σ(E, θ), and analyzing powers. No-core shell model combined with resonating-group method (NCSM/RGM) including three-nucleon (3N) interactions. Algebraic expressions for 3N-force integration kernels. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.054622
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2013JU01      Phys.Rev. C 87, 054312 (2013)

E.D.Jurgenson, P.Maris, R.J.Furnstahl, P.Navratil, W.E.Ormand, J.P.Vary

Structure of p-shell nuclei using three-nucleon interactions evolved with the similarity renormalization group

NUCLEAR STRUCTURE 3H, 4He, 7Li, 8Be, 10B, 12C; calculated ground-state and low-lying levels, J, π. 7Li, 7Be, 10B; calculated magnetic dipole moments of ground states and low-lying states. No-core full configuration (NCFC) and similarity renormalization group (SRG) ab initio calculations for p-shell nuclei. Assessment of convergence properties, extrapolation techniques, and dependence of energies, including four-body contributions. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.054312
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2013KR03      Phys.Rev. C 87, 044301 (2013)

M.K.G.Kruse, E.D.Jurgenson, P.Navratil, B.R.Barrett, W.E.Ormand

Extrapolation uncertainties in the importance-truncated no-core shell model

NUCLEAR STRUCTURE 6Li; calculated distribution of ground-state energies, and other parameters. Importance-truncated no-core shell model (IT-NCSM), and NCSM calculations.

doi: 10.1103/PhysRevC.87.044301
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2013MA05      Phys.Rev. C 87, 014327 (2013)

P.Maris, J.P.Vary, P.Navratil

Structure of A=7-8 nuclei with two- plus three-nucleon interactions from chiral effective field theory

NUCLEAR STRUCTURE 7,8Li, 7,8Be, 8B; calculated ground-state energies, levels, J, π, point-proton rms radii, electric quadrupole and magnetic dipole moments, B(M1), B(E2) using the ab initio no-core shell model (NCSM), with chiral effective field theory (EFT) for two- and three-nucleon interactions. Okubo-Lee-Suzuki renormalization. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.014327
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2013QU02      Phys.Rev. C 88, 034320 (2013); Erratum Phys.Rev. C 94, 019902 (2016)

S.Quaglioni, C.Romero-Redondo, P.Navratil

Three-cluster dynamics within an ab initio framework

NUCLEAR STRUCTURE 6He; calculated ground-state energy within the 4He +n + n cluster basis for Borromean nucleus. Three-cluster dynamics within the ab initio framework of no-core shell model/resonating-group (NCSM/RGM) method.

doi: 10.1103/PhysRevC.88.034320
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2013SO11      Phys.Rev. C 87, 054329 (2013)

L.G.Sobotka, W.W.Buhro, R.J.Charity, J.M.Elson, M.F.Jager, J.Manfredi, M.H.Mahzoon, A.M.Mukhamedzhanov, V.Eremenko, M.McCleskey, R.G.Pizzone, B.T.Roeder, A.Spiridon, E.Simmons, L.Trache, M.Kurokawa, P.Navratil

Proton decay of excited states in 12N and 13O and the astrophysical 11C(p, γ)12N reaction rate

NUCLEAR REACTIONS 9Be(13O, X), E=30.3 MeV/nucleon, [13O secondary beam from 1H(14N, X), E=38 MeV/nucleon primary reaction]; measured particle spectra, E(p), I(p), widths using MARS spectrometer at Texas AM cyclotron facility. Invariant mass method. R-matrix analysis. 11C, 12N, 13O; deduced levels, J, π, one-proton and two-proton decay branching ratios. 11C(p, γ)12N; deduced astrophysical reaction rates and S(E) factors.

doi: 10.1103/PhysRevC.87.054329
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2031. Data from this article have been entered in the XUNDL database. For more information, click here.


2012NA03      Phys.Rev.Lett. 108, 042503 (2012)

P.Navratil, S.Quaglioni

Ab Initio Many-Body Calculations of the 3H(d, n)4He and 3He(d, p)4He Fusion Reactions

NUCLEAR REACTIONS 3H(d, n), 3He(d, p), E<2 MeV; calculated phase shifts, S-factors. Ab-initio no-core shell model.

NUCLEAR STRUCTURE 2,3H, 3,4He; calculated ground state energies, point-proton rms radii. SRG-N3LO NN potential, NCSM calculations.

doi: 10.1103/PhysRevLett.108.042503
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2012NA21      Prog.Theor.Phys.(Kyoto), Suppl. 196, 117 (2012)

P.Navratil, S.Quaglioni, R.Roth, W.Horiuchi

Ab Initio Calculations of Light-Ion Reactions

NUCLEAR REACTIONS 7Be(p, γ), E<2.5 MeV; 3H(d, n), 3He(d, p), E<1 MeV; calculated S-factors, scattering phase shifts.

doi: 10.1143/PTPS.196.117
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2012OR05      Phys.Rev. C 86, 041303 (2012)

J.N.Orce, T.E.Drake, M.K.Djongolov, P.Navratil, S.Triambak, G.C.Ball, H.Al Falou, R.Churchman, D.S.Cross, P.Finlay, C.Forssen, A.B.Garnsworthy, P.E.Garrett, G.Hackman, A.B.Hayes, R.Kshetri, J.Lassen, K.G.Leach, R.Li, J.Meissner, C.J.Pearson, E.T.Rand, F.Sarazin, S.K.L.Sjue, M.A.Stoyer, C.S.Sumithrarachchi, C.E.Svensson, E.R.Tardiff, A.Teigelhoefer, S.J.Williams, J.Wong, C.Y.Wu

Reorientation-effect measurement of the (2+1 ll E2 ll 2+1) matrix element in 10Be

NUCLEAR REACTIONS 194Pt(10Be, 10Be'), E=41 MeV, [10Be beam from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, particle spectra, (particle)γ-coin, angular distribution of γ yields for first 2+ states in 10Be and 194Pt using TIGRESS array at TRIUMF-ISACII facility. 10Be; deduced levels, J, π, diagonal matrix element for first 2+ state, spectroscopic quadrupole moment. 10Be, 194Pt; analyzed yield data using GOSIA code. Reorientation-effect in Coulomb-excitation. Comparison with shell-model (NCSM) calculations.

doi: 10.1103/PhysRevC.86.041303
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Data from this article have been entered in the XUNDL database. For more information, click here.


2012PE16      Phys.Rev. C 86, 044329 (2012)

M.Petri, S.Paschalis, R.M.Clark, P.Fallon, A.O.Macchiavelli, K.Starosta, T.Baugher, D.Bazin, L.Cartegni, H.L.Crawford, M.Cromaz, U.Datta Pramanik, G.de Angelis, A.Dewald, A.Gade, G.F.Grinyer, S.Gros, M.Hackstein, H.B.Jeppesen, I.Y.Lee, S.McDaniel, D.Miller, M.M.Rajabali, A.Ratkiewicz, W.Rother, P.Voss, K.A.Walsh, D.Weisshaar, M.Wiedeking, B.A.Brown, C.Forssen, P.Navratil, R.Roth

Structure of 16C: Testing shell model and ab initio approaches

NUCLEAR REACTIONS 9Be(17N, X)16O, E=72 MeV/nucleon, [17N secondary beam from 9Be(22Ne, X), E=150 MeV/nucleon primary reaction]; measured Eγ, Iγ, σ, half-life of first 2+ state in 16O by RDM plunger method using SeGA array at NSCL facility. 16C; deduced levels, J, π, B(E2), spectroscopic factors and proton amplitude of first 2+ state, gamma-ray branching ratios from second 2+ state. Comparison of with shell-model calculations using three interactions.

doi: 10.1103/PhysRevC.86.044329
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Data from this article have been entered in the XUNDL database. For more information, click here.


2012RO19      Phys.Rev.Lett. 109, 052501 (2012)

R.Roth, S.Binder, K.Vobig, A.Calci, J.Langhammer, P.Navratil

Medium-Mass Nuclei with Normal-Ordered Chiral NN+3N Interactions

NUCLEAR STRUCTURE 4He, 16,24O, 40,48Ca; calculated ground-state energies. NO2B approximation, chiral NN+3N hamiltonians.

doi: 10.1103/PhysRevLett.109.052501
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2012RO31      Prog.Theor.Phys.(Kyoto), Suppl. 196, 131 (2012)

R.Roth, J.Langhammer, A.Calci, S.Binder, P.Navratil

Ab Initio Nuclear Structure Theory with Chiral NN+3N Interactions

NUCLEAR STRUCTURE 12C, 16O; calculated ground state energies, level scheme, J, π.

doi: 10.1143/PTPS.196.131
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2012SI20      Phys.Rev. C 86, 054609 (2012)

E.C.Simpson, P.Navratil, R.Roth, J.A.Tostevin

Microscopic two-nucleon overlaps and knockout reactions from 12C

NUCLEAR REACTIONS 12C(12C, 10C), (12C, 10B), (12C, 10Be), E=250, 1050, 2100 MeV/nucleon; calculated inclusive and exclusive cross sections for two-nucleon (2n, np, 2p) knockout reactions, FWHM momentum distribution. No-core shell-model (NCSM) calculations. Comparison with experimental data.

NUCLEAR STRUCTURE 10B; calculated levels, J, π, isospin. No-core shell-model (NCSM) calculations with different interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.054609
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2012VO05      Phys.Rev. C 86, 011303 (2012)

P.Voss, T.Baugher, D.Bazin, R.M.Clark, H.L.Crawford, A.Dewald, P.Fallon, A.Gade, G.F.Grinyer, H.Iwasaki, A.O.Macchiavelli, S.McDaniel, D.Miller, M.Petri, A.Ratkiewicz, W.Rother, K.Starosta, K.A.Walsh, D.Weisshaar, C.Forssen, R.Roth, P.Navratil

Excited-state transition-rate measurements in 18C

NUCLEAR REACTIONS 9Be(19Ne, p)18C, [19Ne secondary beam from 9Be(22Ne, X), E=120 MeV/nucleon primary beam], E=72 MeV/nucleon; measured time-of-flight, energy loss, Eγ, Iγ, (18C)γ-coin using SeGA array, level half-lives by RDM method using the Koln/NSCL plunger device. 18C; deduced levels, J, π, B(E2) of first two 2+ states. 14,18C; comparison of experimental values of level energies, B(E2), B(M1) and quadrupole moment of first two 2+ states with calculations using large-scale ab initio no-core shell model calculations. Inclusion of three-body forces to explain low-lying states in A=18 system.

doi: 10.1103/PhysRevC.86.011303
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011BA53      J.Phys.:Conf.Ser. 312, 092016 (2011)

B.Barrett, M.Kruse, A.Lisetskiy, P.Navratil, I.Stetcu, J.Vary

Ab initio shell model with a core: Extending the No Core Shell Model to heavier nuclei

NUCLEAR STRUCTURE 7Li; calculated ground state energy. 8,9,10He; calculated levels, J, π. 6Li; calculated quadrupole moment. SSM (standard shell model), NCSM (No Core Shell Model).

doi: 10.1088/1742-6596/312/9/092016
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2011BR16      J.Korean Phys.Soc. 59, 1084s (2011)

D.Brown, B.Beck, M.-A.Descalle, R.Hoffman, E.Ormand, P.Navratil, N.Summers, I.Thompson, R.Vogt, W.Younes, R.Barnowski

Overview of the 2009 Release of the Evaluated Nuclear Data Library (ENDL2009)

COMPILATION 27Al(n, γ), (n, X), E=1.E-8-20 MeV;27Al(n, 2n), E=10-20 MeV;181Ta, 187Re(n, γ), (n, x), E=1.E-11-20 MeV;181Ta, 187Re(n, 2n), E=5-20 MeV;76,77,78Kr, 122,123,124Xe(n, X), E=0-20 MeV; calculated, evaluated σ. TALYS code. ENDL2009 library, 585 transport-ready evaluations in neutron sub-library and 35 in charged-particle sub-libraries.

doi: 10.3938/jkps.59.1084
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2011FO01      Few-Body Systems 49, 11 (2011)

C.Forssen, P.Navratil, S.Quaglioni

The ab initio No-Core Shell Model and Light Nuclei

NUCLEAR STRUCTURE 3H, 4He, 6,7,8,9,11Li; calculated ground-state energies, quadrupole and magnetic dipole moments, charge radii. Ab initio no-core shell model (NCSM), comparison with experimental results.

doi: 10.1007/s00601-010-0106-8
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2011FR11      Phys.Rev.Lett. 107, 122502 (2011)

J.A.Frenje, C.K.Li, F.H.Seguin, D.T.Casey, R.D.Petrasso, D.P.McNabb, P.Navratil, S.Quaglioni, T.C.Sangster, V.Yu.Glebov, D.D.Meyerhofer

Measurements of the Differential Cross Sections for the Elastic n-3H and n-2H Scattering at 14.1 MeV by Using an Inertial Confinement Fusion Facility

NUCLEAR REACTIONS 2,3H(n, n), E=14.1 MeV; measured reaction products En, In; deduced σ(θ). An internal confinement fusion facility.

doi: 10.1103/PhysRevLett.107.122502
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14305.


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.


2011JU02      Phys.Rev. C 83, 034301 (2011)

E.D.Jurgenson, P.Navratil, R.J.Furnstahl

Evolving nuclear many-body forces with the similarity renormalization group

NUCLEAR STRUCTURE 3H, 4He, 6Li; calculated Ground state energies. 6Li; calculated levels, J, π, rms radius, quadrupole moment, B(M1), B(E2). Similarity Renormalization Group method. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.034301
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