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NSR database version of April 11, 2024.

Search: Author = A.Schwenk

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2024CO02      Phys.Rev. C 109, 024311 (2024)

M.Companys Franzke, A.Tichai, K.Hebeler, A.Schwenk

Eigenvector continuation for the pairing Hamiltonian

doi: 10.1103/PhysRevC.109.024311
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2024LI22      Phys.Rev. C 109, 035801 (2024)

Y.Lim, A.Schwenk

Symmetry energy and neutron star properties constrained by chiral effective field theory calculations

doi: 10.1103/PhysRevC.109.035801
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2024SO07      Phys.Rev. C 109, 034005 (2024)

R.Somasundaram, J.E.Lynn, L.Huth, A.Schwenk, I.Tews

Maximally local two-nucleon interactions at N3LO in Δ-less chiral effective field theory

doi: 10.1103/PhysRevC.109.034005
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2024ZU01      Phys.Rev. C 109, 014319 (2024)

L.Zurek, S.K.Bogner, R.J.Furnstahl, R.Navarro Perez, N.Schunck, A.Schwenk

Optimized nuclear energy density functionals including long-range pion contributions

doi: 10.1103/PhysRevC.109.014319
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2023FE08      Phys. Rev. Res. 5, L022044 (2023)

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

Electric dipole polarizability of 40Ca

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

doi: 10.1103/PhysRevResearch.5.L022044
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2023HE04      Phys.Rev. C 107, 024310 (2023)

K.Hebeler, V.Durant, J.Hoppe, M.Heinz, A.Schwenk, J.Simonis, A.Tichai

Normal ordering of three-nucleon interactions for ab initio calculations of heavy nuclei

NUCLEAR STRUCTURE 18O, 48Ca, 78Ni, 132Sn, 208Pb; calculated ground-state energies. 132Sn, 208Pb; calculated charge radii. Jacobi normal-ordering (NO) framework to include three-nucleon (3N) interactions in ab initio many-body calculations up to heavy nuclei at the two-body operator level. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.024310
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2023JO02      Phys.Lett. B 838, 137689 (2023)

L.Jokiniemi, B.Romeo, C.Brase, J.Kotila, P.Soriano, A.Schwenk, J.Menendez

Two-neutrino ββ decay of 136Xe to the first excited 0+ state in 136Ba

RADIOACTIVITY 136Xe(2β-); calculated nuclear matrix element for the two-neutrino ββ decay of 136Xe into the first excited state of 136Ba using the quasiparticle random-phase approximation (QRPA) framework, the nuclear shell model, the interacting boson model (IBM-2), and an effective field theory (EFT) for β and ββ decays; deduced T1/2.

doi: 10.1016/j.physletb.2023.137689
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2023KE02      Phys.Rev.Lett. 130, 072701 (2023)

J.Keller, K.Hebeler, A.Schwenk

Nuclear Equation of State for Arbitrary Proton Fraction and Temperature Based on Chiral Effective Field Theory and a Gaussian Process Emulator

doi: 10.1103/PhysRevLett.130.072701
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2023NI07      Phys.Rev.Lett. 131, 022502 (2023)

L.Nies, D.Atanasov, M.Athanasakis-Kaklamanakis, M.Au, K.Blaum, J.Dobaczewski, B.S.Hu, J.D.Holt, J.Karthein, I.Kulikov, Y.A.Litvinov, D.Lunney, V.Manea, T.Miyagi, M.Mougeot, L.Schweikhard, A.Schwenk, K.Sieja, F.Wienholtz

Isomeric Excitation Energy for 99Inm from Mass Spectrometry Reveals Constant Trend Next to Doubly Magic 100Sn

ATOMIC MASSES 99,100,101In; measured TOF; deduced mass excess, excitation energies. The ISOLTRAP mass spectrometer at ISOLDE/CERN.

RADIOACTIVITY 99In(IT); measured decay products; deduced excitation energy with small uncertainty, intriguing constancy of the isomer excitation energies in neutron-deficient indium that persists down to the N=50 shell closure, even when all neutrons are removed from the valence shell. Comparison with large-scale shell model, ab initio, and density functional theory calculations.

doi: 10.1103/PhysRevLett.131.022502
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2023SE18      Phys.Rev. C 108, 054005 (2023)

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

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

doi: 10.1103/PhysRevC.108.054005
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2022BR11      Phys.Rev. C 106, 034309 (2022)

C.Brase, J.Menendez, E.A.Coello Perez, A.Schwenk

Neutrinoless double-β decay from an effective field theory for heavy nuclei

RADIOACTIVITY 48Ca, 70Zn, 76Ge, 80,82Se, 96Zr, 100Mo, 104Ru, 110Pd, 114,116Cd, 128,130Te, 136Xe, 150Nd(2β-); 64Zn, 106,108Cd, 112Sn, 124Xe(2β+), (2EC); calculated double-Gamow-Teller (DGT) nuclear matrix elements (NMEs) in the EFT for different combinations of neutron and proton orbitals, correlation between DGT and NMEs for 0νββ decay mode, nuclear matrix elements (NMEs) for 0νββ decays using effective field theory (EFT) with a spherical core coupled to additional neutrons and/or protons in the adjacent nuclei; compiled experimental structure data from the ENSDF database for parent nuclei as well as relevant adjacent nuclei and nuclei one neutron and proton away from the parent and double-beta decay daughter nuclei: 47Ca, 47,49Sc, 49Ti, 63Ni, 63,65Cu, 65,69Zn, 69,71Ga, 71,75Ge, 75,77As, 77,79,81Se, 79,81,83Br, 81,83Kr, 99Mo, 99,101Tc, 101,103Ru, 103,105Rh, 105,107,109Pd, 105,107,109,111Ag, 107,109,111,113Cd, 111,113,115In, 113,115Sn, 123,127,129Te, 123,125,127,129,131I, 125,129,131Xe, 135,137Cs, 137Ba, 149,151Pm, 151Sm. Comparison with results from different models: nuclear shell model (NSM), interacting boson model (IBM), effective field theory (EDF), quasiparticle random-phase approximation (QRPA), ab initio using multireference in-medium similarity renormalization group (MR-IMSRG), valence space in-medium similarity renormalization group (VS-IMSRG), and coupled-cluster (CC).

doi: 10.1103/PhysRevC.106.034309
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2022DI03      Phys.Rev. C 105, 064002 (2022)

S.Dietz, H.-W.Hammer, S.Konig, A.Schwenk

Three-body resonances in pionless effective field theory

NUCLEAR STRUCTURE 3NN; calculated hypothetical energy levels, J, π, resonances. Calculations using pionless effective field theory at leading order with Fadeev equations and complemented by finite volume method. Comparison to other calculations obtained in different approaches. Existence of low-energy resonance not confirmed.

doi: 10.1103/PhysRevC.105.064002
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2022HO06      Phys.Rev. C 105, 034324 (2022)

J.Hoppe, A.Tichai, M.Heinz, K.Hebeler, A.Schwenk

Importance truncation for the in-medium similarity renormalization group

NUCLEAR STRUCTURE 4He, 40,48,52,60Ca, 56,68,78Ni; calculated ground state energy. Importance truncation (IT) methods in the nonperturbative in-medium similarity renormalization group (IMSRG) approach. Investigated the effect of truncation in different sub-blocks of the two-body Hamiltonian on the solution error.

doi: 10.1103/PhysRevC.105.034324
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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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2022SC17      J.Phys.(London) G49, 110502 (2022)

H.Schatz, A.D.Becerril Reyes, A.Best, E.F.Brown, K.Chatziioannou, K.A.Chipps, C.M.Deibel, R.Ezzeddine, D.K.Galloway, C.J.Hansen, F.Herwig, A.P.Ji, M.Lugaro, Z.Meisel, D.Norman, J.S.Read, L.F.Roberts, A.Spyrou, I.Tews, F.X.Timmes, C.Travaglio, N.Vassh, C.Abia, P.Adsley, S.Agarwal, M.Aliotta, W.Aoki, A.Arcones, A.Aryan, A.Bandyopadhyay, A.Banu, D.W.Bardayan, J.Barnes, A.Bauswein, T.C.Beers, J.Bishop, T.Boztepe, B.Cote, M.E.Caplan, A.E.Champagne, J.A.Clark, M.Couder, A.Couture, S.E.de Mink, S.Debnath, R.J.deBoer, J.den Hartogh, P.Denissenkov, V.Dexheimer, I.Dillmann, J.E.Escher, M.A.Famiano, R.Farmer, R.Fisher, C.Frohlich, A.Frebel, C.Fryer, G.Fuller, A.K.Ganguly, S.Ghosh, B.K.Gibson, T.Gorda, K.N.Gourgouliatos, V.Graber, M.Gupta, W.C.Haxton, A.Heger, W.R.Hix, W.C.G.Ho, E.M.Holmbeck, A.A.Hood, S.Huth, G.Imbriani, R.G.Izzard, R.Jain, H.Jayatissa, Z.Johnston, T.Kajino, A.Kankainen, G.G.Kiss, A.Kwiatkowski, M.La Cognata, A.M.Laird, L.Lamia, P.Landry, E.Laplace, K.D.Launey, D.Leahy, G.Leckenby, A.Lennarz, B.Longfellow, A.E.Lovell, W.G.Lynch, S.M.Lyons, K.Maeda, E.Masha, C.Matei, J.Merc, B.Messer, F.Montes, A.Mukherjee, M.R.Mumpower, D.Neto, B.Nevins, W.G.Newton, L.Q.Nguyen, K.Nishikawa, N.Nishimura, F.M.Nunes, E.O'Connor, B.W.O'Shea, W.-J.Ong, S.D.Pain, M.A.Pajkos, M.Pignatari, R.G.Pizzone, V.M.Placco, T.Plewa, B.Pritychenko, A.Psaltis, D.Puentes, Y.-Z.Qian, D.Radice, D.Rapagnani, B.M.Rebeiro, R.Reifarth, A.L.Richard, N.Rijal, I.U.Roederer, J.S.Rojo, J.S K, Y.Saito, A.Schwenk, M.L.Sergi, R.S.Sidhu, A.Simon, T.Sivarani, A.Skuladottir, M.S.Smith, A.Spiridon, T.M.Sprouse, S.Starrfield, A.W.Steiner, F.Strieder, I.Sultana, R.Surman, T.Szucs, A.Tawfik, F.Thielemann, L.Trache, R.Trappitsch, M.B.Tsang, A.Tumino, S.Upadhyayula, J.O.Valle Martinez, M.Van der Swaelmen, C.Viscasillas Vazquez, A.Watts, B.Wehmeyer, M.Wiescher, C.Wrede, J.Yoon, R.G.T.Zegers, M.A.Zermane, M.Zingale, the Horizon 2020 Collaborations

Horizons: nuclear astrophysics in the 2020s and beyond

doi: https://dx.doi.org/10.1088/1361-6471/ac8890
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2022SO14      Phys.Rev.Lett. 129, 132501 (2022)

F.Sommer, K.Konig, D.M.Rossi, N.Everett, D.Garand, R.P.de Groote, J.D.Holt, P.Imgram, A.Incorvati, C.Kalman, A.Klose, J.Lantis, Y.Liu, A.J.Miller, K.Minamisono, T.Miyagi, W.Nazarewicz, W.Nortershauser, S.V.Pineda, R.Powel, P.-G.Reinhard, L.Renth, E.Romero-Romero, R.Roth, A.Schwenk, C.Sumithrarachchi, A.Teigelhofer

Charge Radii of 55, 56Ni Reveal a Surprisingly Similar Behavior at N=28 in Ca and Ni Isotopes

NUCLEAR MOMENTS 54,55,56,57,58,59,60Ni; measured frequencies; deduced Isotope shifts, differential ms charge radii, and absolute rms charge radii. Comparison with nuclear density functional theory (DFT) calculations. National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University (MSU) and collinear laser spectroscopy (CLS) at the BECOLA facility.

doi: 10.1103/PhysRevLett.129.132501
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2022TI04      Phys.Rev. C 106, 024320 (2022)

A.Tichai, P.Arthuis, K.Hebeler, M.Heinz, J.Hoppe, A.Schwenk, L.Zurek

Least-square approach for singular value decompositions of scattering problems

doi: 10.1103/PhysRevC.106.024320
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2021ES07      Phys.Rev.Lett. 127, 192701 (2021)

R.Essick, I.Tews, P.Landry, A.Schwenk

Astrophysical Constraints on the Symmetry Energy and the Neutron Skin of 208Pb with Minimal Modeling Assumptions

NUCLEAR STRUCTURE 208Pb; analyzed available data; deduced astrophysical constraints on the symmetry energy and the neutron skin.

doi: 10.1103/PhysRevLett.127.192701
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2021ES10      Phys.Rev. C 104, 065804 (2021)

R.Essick, P.Landry, A.Schwenk, I.Tews

Detailed examination of astrophysical constraints on the symmetry energy and the neutron skin of 208Pb with minimal modeling assumptions

NUCLEAR STRUCTURE 208Pb; analyzed correlations between selected nuclear properties such as symmetry energy, slope parameter, curvature, 208Pb skin and electric dipole polarizability using nonparametric equation of state (EOS) representation based on Gaussian processes to constrain the symmetry energy, slope parameter, and 208Pb skin from observations of neutron stars with minimal modeling assumptions, and by combining astrophysical data from heavy pulsar masses, LIGO/Virgo, and NICER with chiral effective field theory (χEFT) and constraints from PREX-II experiment for 208Pb skin thickness, and using Monte Carlo implementation of a hierarchical Bayesian inference. Relevance to neutron-skin thickness of nuclei to the crust thickness and the radius of neutron stars.

doi: 10.1103/PhysRevC.104.065804
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2021FR01      Phys.Rev.Lett. 126, 102501 (2021)

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

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

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

doi: 10.1103/PhysRevLett.126.102501
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2021FU10      Few-Body Systems 62, 72 (2021)

R.J.Furnstahl, H.-W.Hammer, A.Schwenk

Nuclear Structure at the Crossroads

doi: 10.1007/s00601-021-01658-5
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2021HE11      Phys.Rev. C 103, 044318 (2021)

M.Heinz, A.Tichai, J.Hoppe, K.Hebeler, A.Schwenk

In-medium similarity renormalization group with three-body operators

NUCLEAR STRUCTURE 4He, 16O; calculated ground-state energies using various truncation schemes. Full and approximate in-medium similarity renormalization group (IMSRG(3)) truncations applied to the closed-shell nuclei using nucleon-nucleon and nucleon-nucleon+3N-chiral Hamiltonians with the Hartree-Fock and natural orbital single-particle bases.

doi: 10.1103/PhysRevC.103.044318
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2021HO03      Phys.Rev. C 103, 014321 (2021)

J.Hoppe, A.Tichai, M.Heinz, K.Hebeler, A.Schwenk

Natural orbitals for many-body expansion methods

NUCLEAR STRUCTURE 16,22O, 40Ca, 78Ni; calculated one-body proton density matrix, occupation numbers of the single-particle proton orbitals, and absolute value of the radial wave function for 16O, negative occupations of the p orbitals for 16O and 22O, ground-state energies and charge radii of 16O, 40Ca and 78Ni. Nonperturbative many-body calculations using the in-medium similarity renormalization group (IMSRG) approach, with large single-particle basis. Comparison with experimental data for 78Ni.

doi: 10.1103/PhysRevC.103.014321
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2021HU04      Phys.Rev. C 103, 025803 (2021)

S.Huth, C.Wellenhofer, A.Schwenk

New equations of state constrained by nuclear physics, observations, and QCD calculations of high-density nuclear matter

doi: 10.1103/PhysRevC.103.025803
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2021KE06      Phys.Rev. C 103, 055806 (2021)

J.Keller, C.Wellenhofer, K.Hebeler, A.Schwenk

Neutron matter at finite temperature based on chiral effective field theory interactions

doi: 10.1103/PhysRevC.103.055806
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2021MO23      Nat.Phys. 17, 1099 (2021)

M.Mougeot, D.Atanasov, J.Karthein, R.N.Wolf, P.Ascher, K.Blaum, K.Chrysalidis, G.Hagen, J.D.Holt, W.J.Huang, G.R.Jansen, I.Kulikov, Yu.A.Litvinov, D.Lunney, V.Manea, T.Miyagi, T.Papenbrock, L.Schweikhard, A.Schwenk, T.Steinsberger, S.R.Stroberg, Z.H.Sun, A.Welker, F.Wienholtz, S.G.Wilkins, K.Zuber

Mass measurements of 99-101In challenge ab initio nuclear theory of the nuclide 100Sn

NUCLEAR REACTIONS La(p, X)99In/100In/101In, E=1.4 GeV; measured reaction products, TOF; deduced atomic masses. Comparison with AME2020, theoretical calculations.

doi: 10.1038/s41567-021-01326-9
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2021ST03      Phys.Rev.Lett. 126, 022501 (2021)

S.R.Stroberg, J.D.Holt, A.Schwenk, J.Simonis

Ab Initio Limits of Atomic Nuclei

NUCLEAR STRUCTURE Z=1-26; calculated probabilities for given isotopes to be bound with respect to one- or two-neutron (proton) removals, separation energies, dripline using a chiral two- and three-nucleon interaction with good saturation properties, we use the valence-space in-medium similarity renormalization group. Comparison with available data.

doi: 10.1103/PhysRevLett.126.022501
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2021WE11      Phys.Rev. C 104, 014003 (2021)

C.Wellenhofer, C.Drischler, A.Schwenk

Effective field theory for dilute Fermi systems at fourth order

doi: 10.1103/PhysRevC.104.014003
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2021ZU01      Phys.Rev. C 103, 014325 (2021)

L.Zurek, E.A.Coello Perez, S.K.Bogner, R.J.Furnstahl, A.Schwenk

Comparing different density-matrix expansions for long-range pion exchange

NUCLEAR STRUCTURE 16O, 48Ca, 132Sn; calculated normalized density-matrix square for 132Sn, isoscalar density distributions, and ratios of the DME-approximated and exact exchange energy contributions for Yukawa interaction for 16O, 48Ca, 132Sn, scalar-isoscalar and scalar-isovector exchange-energy integrands for Yukawa interaction in 132Sn. Density-matrix expansion (DME) with two-body scalar terms to embed long-range pion interactions into a Skyrme energy density functional.

doi: 10.1103/PhysRevC.103.014325
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2020CI02      Phys.Rev. C 101, 021303 (2020)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska, A.Atac, D.Barrientos, B.Birkenbach, A.J.Boston, B.Cederwall, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, J.Nyberg, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, J.D.Holt, J.Menendez, A.Schwenk, J.Simonis

Testing ab initio nuclear structure in neutron-rich nuclei: Lifetime measurements of second 2+ state in 16C and 20O

NUCLEAR REACTIONS 181Ta(18O, X)16C/19O/20O, E=7.0 MeV/nucleon; measured reaction products, Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler-shift attenuation method and Monte Carlo simulations using AGATA array, coupled to the PARIS scintillator array and to the VAMOS++ magnetic spectrometer at GANIL. 16C, 19,20O; deduced levels, J, π. Comparison with predictions of the valence-space in-medium similarity renormalization group (VS-IMSRG) and the no-core shell model (NCSM) with NN and 3N interactions.

doi: 10.1103/PhysRevC.101.021303
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2020CO01      Phys.Lett. B 800, 135071 (2020)

M.L.Cortes, W.Rodriguez, P.Doornenbal, A.Obertelli, J.D.Holt, S.M.Lenzi, J.Menendez, F.Nowacki, K.Ogata, A.Poves, T.R.Rodriguez, A.Schwenk, J.Simonis, S.R.Stroberg, K.Yoshida, L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, 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, 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, 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.Toernqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti

Shell evolution of N=40 isotones towards 60Ca: First spectroscopy of 62Ti

NUCLEAR REACTIONS 1H(63V, 2p)62Ti, E≈200 MeV/nucleon, [secondary 63V beam from 9Be(70Zn, X), E=345 MeV/nucleon primary reaction followed by separation of fragments of interest event-by-event using BigRIPS spectrometer at RIBF-RIKEN]; measured yields of reaction products with Z=22-24 and A/Q=2.60 to 2.85, Eγ, Iγ, γγ-coin using MINOS device, SAMURAI dipole magnet, Time Projection Chamber (TPC), and DALI2+ array of 226 NaI(Tl) detectors. 62Ti; deduced first 2+ and 4+ levels, cross sections. Comparison with theoretical calculations for N=40, Z=20-32 (even) using large-scale shell model (LSSM), symmetry conserving configuration mixing (SCCM) with Gogny D1S effective interaction, and valence-space in-medium similarity renormalization group (VS-IMSRG).

doi: 10.1016/j.physletb.2019.135071
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2020CO12      Phys.Rev. C 102, 064320 (2020)

M.L.Cortes, W.Rodriguez, P.Doornenbal, A.Obertelli, J.D.Holt, J.Menendez, K.Ogata, A.Schwenk, N.Shimizu, J.Simonis, Y.Utsuno, K.Yoshida, L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, 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, 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, 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, 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

N = 32 shell closure below calcium: Low-lying structure of 50Ar

NUCLEAR REACTIONS 1H(52Ca, 3p), E=266 MeV; 1H(53Ca, n3p), E=258 MeV; 1H(54Ca, 2n3p), E=251 MeV; 1H(55Ca, 3n3p), E=247 MeV; 1H(51K, 2p), E=257 MeV; 1H(52K, n2p), E=250 MeV; 1H(53K, 2n2p), E=245 MeV; 1H(51Ar, np), E=241 MeV; 1H(50Ar, p'), [secondary 52,53,54,55Ca, 51,52,53K, 50,51Ar beams from 9Be(70Zn, X), E=345 MeV/nucleon primary beam, followed by separation of fragments using BigRIPS separator at RIBF-RIKEN facility]; measured reaction products, yields, inclusive σ, Eγ, Iγ, γγ-coin using the MINOS hydrogen target, time projection chamber, SAMURAI dipole magnet, and DALI2+ array of 226 NaI(Tl) detectors. 50Ar; deduced Doppler corrected γ-ray spectra, levels, J, π; calculated levels, J, π, spectroscopic factors and cross sections for levels using the SDPF-MU shell model, and ab initio VS-IMSRG approach.

doi: 10.1103/PhysRevC.102.064320
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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
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2020DU09      Phys.Rev. C 102, 014622 (2020)

V.Durant, P.Capel, A.Schwenk

Dispersion relations applied to double-folding potentials from chiral effective field theory

NUCLEAR REACTIONS 16O(16O, 16O), E=124, 250, 350, 480, 704 MeV; 12C(12C, 12C), E=159, 240, 300, 360, 1016 MeV; 16O(12C, 12C), E=76.4, 130, 230, 300, 608 MeV; calculated optical potentials, elastic scattering σ(E) as a function of momentum transfer, influence of nucleonic density on elastic scattering σ, and astrophysical S factors using double-folding method based on chiral effective field theory nucleon-nucleon interactions at next-to-next-to-leading (N2LO) order combined with dispersion relation constraints. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.014622
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2020HE25      Phys.Lett. B 809, 135678 (2020)

S.Heil, M.Petri, K.Vobig, D.Bazin, J.Belarge, P.Bender, B.A.Brown, R.Elder, B.Elman, A.Gade, T.Haylett, J.D.Holt, T.Huther, A.Hufnagel, H.Iwasaki, N.Kobayashi, C.Loelius, B.Longfellow, E.Lunderberg, M.Mathy, J.Menendez, S.Paschalis, R.Roth, A.Schwenk, J.Simonis, I.Syndikus, D.Weisshaar, K.Whitmore

Electromagnetic properties of 21O for benchmarking nuclear Hamiltonians

NUCLEAR REACTIONS 9Be(24F, 21O), E=95 MeV/nucleon; measured reaction products, Eγ, Iγ. 21O; deduced γ-ray energies, J, π, level T1/2, B(E2). Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2020.135678
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2020KA22      Phys.Rev.Lett. 124, 132502 (2020)

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

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

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

doi: 10.1103/PhysRevLett.124.132502
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2020LE14      Phys.Rev.Lett. 125, 142502 (2020)

M.Leonhardt, M.Pospiech, B.Schallmo, J.Braun, C.Drischler, K.Hebeler, A.Schwenk

Symmetric Nuclear Matter from the Strong Interaction

doi: 10.1103/PhysRevLett.125.142502
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2020LY02      J.Phys.(London) G47, 045109 (2020)

J.E.Lynn, D.Lonardoni, J.Carlson, J.-W.Chen, W.Detmold, S.Gandolfi, A.Schwenk

Ab initio short-range-correlation scaling factors from light to medium-mass nuclei

NUCLEAR STRUCTURE 2,3H, 3,4,6He, 6Li, 12C, 16O, 40Ca, 63Cu, 56Fe, 197Au; calculated two-nucleon distributions, short-range-correlation(SRC) scaling factors, binding energies from ab initio low-energy nuclear theory.

doi: 10.1088/1361-6471/ab6af7
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2020MA09      Phys.Rev.Lett. 124, 092502 (2020)

V.Manea, J.Karthein, D.Atanasov, M.Bender, K.Blaum, T.E.Cocolios, S.Eliseev, A.Herlert, J.D.Holt, W.J.Huang, Y.A.Litvinov, D.Lunney, J.Menendez, M.Mougeot, D.Neidherr, L.Schweikhard, A.Schwenk, J.Simonis, A.Welker, F.Wienholtz, K.Zuber

First Glimpse of the N=82 Shell Closure below Z=50 from Masses of Neutron-Rich Cadmium Isotopes and Isomers

ATOMIC MASSES 124,126,127,127m,128,129,129m,131,132Cd; measured mass excesses using phase-imaging ion cyclotron-resonance (PI-ICR) method with the ISOLTRAP spectrometer at ISOLDE-CERN. Cd isotopes were produced in U(p, F), E=1.4 GeV reaction followed by separation of fission fragments using ISOLDE High-resolution separator. Comparison with literature data in AME2016 evaluation, and with large-scale shell-model, mean-field, beyond-mean-field, and ab initio valence-space in-medium similarity renormalization group (VS-IMSRG) calculations. Systematics of S(n) for N=81, 83 and Z=48-68, and for two-neutron shell gaps for N=82, Z=42-70 nuclei.

doi: 10.1103/PhysRevLett.124.092502
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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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2020YA05      Phys.Rev.Lett. 124, 092701 (2020)

H.Yasin, S.Schafer, A.Arcones, A.Schwenk

Equation of State Effects in Core-Collapse Supernovae

doi: 10.1103/PhysRevLett.124.092701
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2020YA07      Phys.Rev.Lett. 124, 092701 (2020)

H.Yasin, S.Schafer, A.Arcones, A.Schwenk

Equation of State Effects in Core-Collapse Supernovae

doi: 10.1103/PhysRevLett.124.092701
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2019CA20      Phys.Rev. C 100, 025805 (2019)

A.Carbone, A.Schwenk

Ab initio constraints on thermal effects of the nuclear equation of state

doi: 10.1103/PhysRevC.100.025805
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2019DR01      Phys.Rev.Lett. 122, 042501 (2019)

C.Drischler, K.Hebeler, A.Schwenk

Chiral Interactions up to Next-to-Next-to-Next-to-Leading Order and Nuclear Saturation

doi: 10.1103/PhysRevLett.122.042501
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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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2019HO09      Phys.Rev. C 100, 024318 (2019)

J.Hoppe, C.Drischler, K.Hebeler, A.Schwenk, J.Simonis

Probing chiral interactions up to next-to-next-to-next-to-leading order in medium-mass nuclei

NUCLEAR STRUCTURE 3H, 16,24O, 40,48,52,60Ca, 56,68Ni; calculated binding energies, charge radii, and ground-state energies per nucleon. Ab initio calculations using in-medium similarity renormalization group (IM-SRG) based on chiral interactions at next-to-leading order (NLO), N2LO, and N3LO. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.024318
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2019KL06      Phys.Rev. C 99, 061301 (2019)

A.Klose, K.Minamisono, A.J.Miller, B.A.Brown, D.Garand, J.D.Holt, J.D.Lantis, Y.Liu, B.Maass, W.Nortershauser, S.V.Pineda, D.M.Rossi, A.Schwenk, F.Sommer, C.Sumithrarachchi, A.Teigelhofer, J.Watkins

Ground-state electromagnetic moments of 37Ca

NUCLEAR MOMENTS 37,39Ca; measured hyperfine structure spectra using the collinear laser spectroscopy technique at NSCL-BECOLA facility; deduced hyperfine coupling constants, and isoscalar- and isovector-magnetic moment of the ground states. 37,39Ca produced in 9Be(40Ca, X), E=140 MeV/nucleon reaction, and separation of fragments using A1900 fragment separator at NSCL-MSU. Comparison with shell model calculations using the universal sd model-space Hamiltonians (USDA/B). Systematics of experimental and theoretical magnetic moments of ground states of 37,39Ca, 37Cl and 39K.

doi: 10.1103/PhysRevC.99.061301
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2019LI10      Phys.Rev.Lett. 122, 072502 (2019)

H.N.Liu, A.Obertelli, P.Doornenbal, C.A.Bertulani, G.Hagen, J.D.Holt, G.R.Jansen, T.D.Morris, A.Schwenk, R.Stroberg, 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.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, 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

How Robust is the N=34 Subshell Closure? First Spectroscopy of 52Ar

NUCLEAR REACTIONS 1H(53K, 2p), E=245 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, σ. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.122.072502
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2019TA10      Nature(London) 569, 53 (2019)

R.Taniuchi, C.Santamaria, P.Doornenbal, A.Obertelli, K.Yoneda, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, J.D.Holt, T.Isobe, V.Lapoux, M.Matsushita, J.Menendez, S.Momiyama, T.Motobayashi, M.Niikura, F.Nowacki, K.Ogata, H.Otsu, T.Otsuka, C.Péron, S.Peru, A.Peyaud, E.C.Pollacco, A.Poves, J.-Y.Rousse, H.Sakurai, A.Schwenk, Y.Shiga, J.Simonis, S.R.Stroberg, S.Takeuchi, Y.Tsunoda, T.Uesaka, H.Wang, F.Browne, L.X.Chung, Z.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.Shand, P.-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Z.Vajta, V.Werner, J.Wu, Z.Y.Xu

78Ni revealed as a doubly magic stronghold against nuclear deformation

NUCLEAR REACTIONS 1H(79Cu, 2p), (80Zn, 3p)78Ni, E ∼ 250 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial σ, energy levels, J, π, magic nature. Comparison with theoretical calculations.

doi: 10.1038/s41586-019-1155-x
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2019XU09      Phys.Rev. C 99, 064303 (2019)

X.Xu, M.Wang, K.Blaum, J.D.Holt, Yu.A.Litvinov, A.Schwenk, J.Simonis, S.R.Stroberg, Y.H.Zhang, H.S.Xu, P.Shuai, X.L.Tu, X.H.Zhou, F.R.Xu, G.Audi, R.J.Chen, X.C.Chen, C.Y.Fu, Z.Ge, W.J.Huang, S.Litvinov, D.W.Liu, Y.H.Lam, X.W.Ma, R.S.Mao, A.Ozawa, B.H.Sun, Y.Sun, T.Uesaka, G.Q.Xiao, Y.M.Xing, T.Yamaguchi, Y.Yamaguchi, X.L.Yan, Q.Zeng, H.W.Zhao, T.C.Zhao, W.Zhang, W.L.Zhan

Masses of neutron-rich 52-54Sc and 54, 56Ti nuclides: The N=32 subshell closure in scandium

ATOMIC MASSES 52,53,54Sc, 54,56Ti; measured mass excesses using isochronous mass spectrometry at CRSe-HIRFL, Lanzhou. Isotopes produced in 9Be(86Kr, X), E=460.65 MeV/nucleon reaction and separated using RIBLL2. Comparison with AME-2012 evaluation, and results from six previous experiments, and with valence-space in-medium similarity renormalization group (VS-IMSRG) calculations. Systematics of S(2n) values in N=27-34 K, Ca, Sc, Ti isotopic chains, and those of empirical shell gaps in N=24-34 K, Ca, Sc, Ti isotopic chains and Z=19-25 N=32 isotones.

doi: 10.1103/PhysRevC.99.064303
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2018CO13      Phys.Rev. C 98, 045501 (2018)

E.A.Coello Perez, J.Menendez, A.Schwenk

Gamow-Teller and double-β decays of heavy nuclei within an effective theory

RADIOACTIVITY 62,64Cu, 68Ga, 78,80Br, 80,82Rb, 104Rh, 106,108Ag, 112In, 128I(EC), (β+); 66,68Cu, 70Ga, 80As, 80Br, 98,100Nb, 100,102Tc, 104,106,108Rh, 108,110,114Ag, 114,116,118,120,122In(β-); 64Zn, 106,108Cd, 112Sn(2EC); 70Zn, 76Ge, 80,82Se, 100Mo, 104Ru, 114,116Cd, 110Pd, 128,130Te(2β-); calculated Gamow-Teller matrix elements from 1+ parent states in single β decay, and for 2νββ and 2ν(EC)(EC) decay modes from 0+ parent states using effective field framework. Comparison with experimental values.

NUCLEAR REACTIONS 64Ni, 76Ge, 82Se, 100Mo, 116Cd, 128,130Te(3He, t), E not given; analyzed experimental partial Gamow-Teller strengths; deduced logft values, and compared with available experimental values.

doi: 10.1103/PhysRevC.98.045501
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2018HU12      Phys.Rev. C 98, 044301 (2018)

L.Huth, V.Durant, J.Simonis, A.Schwenk

Shell-model interactions from chiral effective field theory

NUCLEAR STRUCTURE 18,19,20O, 19,21,22F, 21,23,24Ne, 24,26,28Mg, 26,28,29Al, 29,30,31Si, 32,33,35P, 32,33,35S, 34,35,37Cl, 36,37Ar, 38K; calculated levels, J, π for the chiral shell-model interactions at LO, NLO, and NLOvs, and compared to experimental, and USDA/USDB shell-model results.

doi: 10.1103/PhysRevC.98.044301
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2018KL03      Phys.Rev. C 98, 034004 (2018)

P.Klos, S.Konig, H.-W.Hammer, J.E.Lynn, A.Schwenk

Signatures of few-body resonances in finite volume

doi: 10.1103/PhysRevC.98.034004
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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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2018LO06      Phys.Rev.Lett. 120, 122502 (2018)

D.Lonardoni, J.Carlson, S.Gandolfi, J.E.Lynn, K.E.Schmidt, A.Schwenk, X.B.Wang

Properties of Nuclei up to A=16 using Local Chiral Interactions

NUCLEAR STRUCTURE 6He, 6Li, 12C, 16O; calculated ground-state energies and charge radii, form factors. Continuum quantum Monte Carlo (QMC) method, comparison with available data.

doi: 10.1103/PhysRevLett.120.122502
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2018LO09      Phys.Rev. C 97, 044318 (2018)

D.Lonardoni, S.Gandolfi, J.E.Lynn, C.Petrie, J.Carlson, K.E.Schmidt, A.Schwenk

Auxiliary field diffusion Monte Carlo calculations of light and medium-mass nuclei with local chiral interactions

NUCLEAR STRUCTURE 3H, 3,4,6He, 6Li, 12C, 16O; calculated constrained and unconstrained ground state binding energies, charge radii, charge form factors, and Coulomb sum rule by auxilliary field diffusion Monte Carlo (AFDMC) method using AV6' potential in combination with local chiral two- and three-nucleon interactions up to next-to-next-to-leading order; analyzed p-wave n-α elastic scattering phase shifts compared to an R-matrix analysis of experimental data. Comparison with GFMC predictions for Coulomb sum rule.

doi: 10.1103/PhysRevC.97.044318
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2018MO07      Phys.Rev.Lett. 120, 152503 (2018)

T.D.Morris, J.Simonis, S.R.Stroberg, C.Stumpf, G.Hagen, J.D.Holt, G.R.Jansen, T.Papenbrock, R.Roth, A.Schwenk

Structure of the Lightest Tin Isotopes

NUCLEAR STRUCTURE 100,108,116,124,132Sn, 101Sn, 105Te; calculated energy levels, J, π using nucleon-nucleon and three-nucleon forces constrained by data of few-nucleon systems.

doi: 10.1103/physrevlett.120.152503
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2018MO14      Phys.Rev.Lett. 120, 232501 (2018)

M.Mougeot, D.Atanasov, K.Blaum, K.Chrysalidis, T.Day Goodacre, D.Fedorov, V.Fedosseev, S.George, F.Herfurth, J.D.Holt, D.Lunney, V.Manea, B.Marsh, D.Neidherr, M.Rosenbusch, S.Rothe, L.Schweikhard, A.Schwenk, C.Seiffert, J.Simonis, S.R.Stroberg, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Precision Mass Measurements of 58-63Cr: Nuclear Collectivity Towards the N=40 Island of Inversion

ATOMIC MASSES 58,59,60,61,62,63Cr; measured cyclotron frequency, TOF; deduced mass excesses. Comparison with AME16, theoretical calculations.

doi: 10.1103/PhysRevLett.120.232501
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2018TE03      Phys.Rev. C 98, 024001 (2018)

I.Tews, L.Huth, A.Schwenk

Large-cutoff behavior of local chiral effective field theory interactions

doi: 10.1103/PhysRevC.98.024001
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2017BI09      Phys.Rev.Lett. 118, 252501 (2017)

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

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

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

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


2017CH55      Phys.Rev.Lett. 119, 262502 (2017)

J.-W.Chen, W.Detmold, J.E.Lynn, A.Schwenk

Short-Range Correlations and the EMC Effect in Effective Field Theory

NUCLEAR STRUCTURE 3H, 3,4He, 9Be, 12C; calculated scaling factors, parameters. Comparison with available data.

doi: 10.1103/PhysRevLett.119.262502
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2017CR03      Phys.Rev. C 95, 064317 (2017)

H.L.Crawford, A.O.Macchiavelli, P.Fallon, M.Albers, V.M.Bader, D.Bazin, C.M.Campbell, R.M.Clark, M.Cromaz, J.Dilling, A.Gade, A.Gallant, J.D.Holt, R.V.F.Janssens, R.Krucken, C.Langer, T.Lauritsen, I.Y.Lee, J.Menendez, S.Noji, S.Paschalis, F.Recchia, J.Rissanen, A.Schwenk, M.Scott, J.Simonis, S.R.Stroberg, J.A.Tostevin, C.Walz, D.Weisshaar, A.Wiens, K.Wimmer, S.Zhu

Unexpected distribution of ν1f7/2 strength in 49Ca

NUCLEAR REACTIONS 9Be(48Ca, 47Ca), (50Ca, 49Ca), E not given, [secondary 48,50Ca beams from 9Be(82Se, X), E=140 MeV/nucleon primary reaction, and using A1900 fragment separator at NSCL-MSU]; measured reaction 1n-knockout products using S800 magnetic spectrograph, Eγ, Iγ, γγ-coin, γ(particle) correlated events, using GRETINA array for γ detection, σ(-1n), parallel momentum distributions. 47,49Ca; deduced levels, J, π, l-transfer, γ-ray yields by fitting the data with GEANT4 simulation, spectroscopic factors, configurations, spectroscopic strengths for the 1f7/2 neutron hole states. Comparison with shell-model calculations based on NN+3N force in ν(pf) model space, GXPF1 interaction, and NN+3N including the ν1g9/2 orbital.

doi: 10.1103/PhysRevC.95.064317
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2017DR02      Phys.Rev. C 95, 024302 (2017)

C.Drischler, T.Kruger, K.Hebeler, A.Schwenk

Pairing in neutron matter: New uncertainty estimates and three-body forces

doi: 10.1103/PhysRevC.95.024302
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2017GA10      Phys.Rev.Lett. 118, 232501 (2017)

S.Gandolfi, H.-W.Hammer, P.Klos, J.E.Lynn, A.Schwenk

Is a Trineutron Resonance Lower in Energy than a Tetraneutron Resonance?

doi: 10.1103/PhysRevLett.118.232501
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2017HO05      Phys.Rev. C 95, 025801 (2017)

C.J.Horowitz, O.L.Caballero, Z.Lin, E.O'Connor, A.Schwenk

Neutrino-nucleon scattering in supernova matter from the virial expansion

doi: 10.1103/PhysRevC.95.025801
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2017HO24      Phys.Rev. C 96, 054002 (2017)

J.Hoppe, C.Drischler, R.J.Furnstahl, K.Hebeler, A.Schwenk

Weinberg eigenvalues for chiral nucleon-nucleon interactions

doi: 10.1103/PhysRevC.96.054002
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2017HU17      Phys.Rev. C 96, 054003 (2017)

L.Huth, I.Tews, J.E.Lynn, A.Schwenk

Analyzing the Fierz rearrangement freedom for local chiral two-nucleon potentials

NUCLEAR STRUCTURE 2H, 4He; calculated binding energies, radii, phase-shifts in the framework of Chiral effective field theory (EFT), by constructing leading order (LO) and next-to-leading order (NLO) potentials for all possible LO-operator pairs.Calculated energy of neutron matter at different densities.

doi: 10.1103/PhysRevC.96.054003
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2017KL03      Eur.Phys.J. A 53, 168 (2017); Erratum Eur.Phys.J. A 54, 76 (2018)

P.Klos, A.Carbone, K.Hebeler, J.Menendez, A.Schwenk

Uncertainties in constraining low-energy constants from 3H β decay

RADIOACTIVITY 3H(β-); calculated low-energy constants of chiral effective field theory from T1/2; deduced uncertainty.

doi: 10.1140/epja/i2017-12357-7
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2017KO30      Phys.Rev. C 96, 025805 (2017)

D.N.Kobyakov, C.J.Pethick, S.Reddy, A.Schwenk

Dispersion and decay of collective modes in neutron star cores

doi: 10.1103/PhysRevC.96.025805
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2017LY01      Phys.Rev. C 96, 054007 (2017)

J.E.Lynn, I.Tews, J.Carlson, S.Gandolfi, A.Gezerlis, K.E.Schmidt, A.Schwenk

Quantum Monte Carlo calculations of light nuclei with local chiral two- and three-nucleon interactions

NUCLEAR STRUCTURE 2H; calculated deuteron wave functions, binding energy, asymptotic D/S ratio, quadrupole moment, root-mean-square (rms) matter radius, momentum distributions and tensor polarization at N2LO, deuteron energy at LO, NLO, and N2LO as function of radius. 3H, 3,4He; calculated wave functions for AV18+UIX at N22LO, energies using Green's function Monte Carlo (GFMC) method, kinetic and potential energy contributions to the GFMC energy, point-proton radii at LO, NLO, and N2LO, one-body proton and neutron distributions for 3,4He at N2LO, longitudinal charge form factor for 4He. Quantum Monte Carlo (QMC) calculations for light nuclei with local chiral NN and 3N interactions.

doi: 10.1103/PhysRevC.96.054007
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2017SI17      Phys.Rev. C 96, 014303 (2017)

J.Simonis, S.R.Stroberg, K.Hebeler, J.D.Holt, A.Schwenk

Saturation with chiral interactions and consequences for finite nuclei

NUCLEAR STRUCTURE 40,54Ca, 56,78Ni; calculated ground-state energies and charge radii using the closed-shell IM-SRG, and compared with evaluated experimental data. 4He, 16,22,24O, 36,40,48,52,54,60Ca, 48,56,68,78Ni; calculated binding energies and charge radii using the IM-SRG for the four Hamiltonians, and compared with evaluated data. 19,20,21,22,23,24,25,26,27,28,29,30,31,32Na, 28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45S, 40,41,42,43,44,45,46,47,48,49,50,51,52,53,54Ca, 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64Mn, 53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72Ni; calculated ground-state energies and S(2n), charge radii of Mn isotopes, first excited 2+ states of Ca, S and Ni isotopes using the VS-IM-SRG, and compared with experimental data. Calculations used ab initio in-medium similarity renormalization group (IM-SRG) method, and valence-space (VS) IM-SRG for charge radii.

doi: 10.1103/PhysRevC.96.014303
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2017ST03      Phys.Rev.Lett. 118, 032502 (2017)

S.R.Stroberg, A.Calci, H.Hergert, J.D.Holt, S.K.Bogner, R.Roth, A.Schwenk

Nucleus-Dependent Valence-Space Approach to Nuclear Structure

NUCLEAR STRUCTURE 16,18,22O, 10B, 22Na, 46V, C, N, O, Na, Ca, Ni; calculated ground-state energies, J, π, the extension of ab initio nuclear structure calculations.

doi: 10.1103/PhysRevLett.118.032502
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2016DR06      Phys.Rev. C 93, 054314 (2016)

C.Drischler, K.Hebeler, A.Schwenk

Asymmetric nuclear matter based on chiral two- and three-nucleon interactions

doi: 10.1103/PhysRevC.93.054314
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2016DR13      Phys.Rev. C 94, 054307 (2016)

C.Drischler, A.Carbone, K.Hebeler, A.Schwenk

Neutron matter from chiral two- and three-nucleon calculations up to N3 LO

doi: 10.1103/PhysRevC.94.054307
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2016GA34      Nat.Phys. 12, 594 (2016)

R.F.Garcia Ruiz, M.L.Bissell, K.Blaum, A.Ekstrom, N.Frommgen, G.Hagen, M.Hammen, K.Hebeler, J.D.Holt, G.R.Jansen, M.Kowalska, K.Kreim, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, T.Papenbrock, J.Papuga, A.Schwenk, J.Simonis, K.A.Wendt, D.T.Yordanov

Unexpectedly large charge radii of neutron-rich calcium isotopes

NUCLEAR REACTIONS U(p, X)43Ca/44Ca/45Ca/46Ca/47Ca/48Ca/49Ca/50Ca/51Ca/52Ca, E=1.4GeV; measured hyperfine structure spectra; deduced charge radii. Comparison with available data.

doi: 10.1038/nphys3645
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2016HA27      Nat.Phys. 12, 186 (2016)

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

Neutron and weak-charge distributions of the 48Ca nucleus

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

doi: 10.1038/nphys3529
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2016KL06      Phys.Rev. C 94, 054005 (2016)

P.Klos, J.E.Lynn, I.Tews, S.Gandolfi, A.Gezerlis, H.-W.Hammer, M.Hoferichter, A.Schwenk

Quantum Monte Carlo calculations of two neutrons in finite volume

NUCLEAR STRUCTURE 2n; calculated ground state, energy and nodal surface of the first excited state for a two neutron-system in a box; extracted low-energy S-wave scattering parameters from ground- and excited-state energies for different box sizes using Luscher formula. Auxiliary-field diffusion Monte Carlo (AFDMC) calculations, and chiral EFT interactions. Relevance to effective field theories of strong interaction.

doi: 10.1103/PhysRevC.94.054005
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2016LY02      Phys.Rev.Lett. 116, 062501 (2016)

J.E.Lynn, I.Tews, J.Carlson, S.Gandolfi, A.Gezerlis, K.E.Schmidt, A.Schwenk

Chiral Three-Nucleon Interactions in Light Nuclei, Neutron-α Scattering, and Neutron Matter

NUCLEAR STRUCTURE 4He; analyzed available data; deduced binding and ground-state energies. Quantum Monte Carlo calculations of light nuclei using local two- and three-nucleon (3N) interactions derived from chiral effective field theory up to next-to-next-to-leading order (N2LO).

doi: 10.1103/PhysRevLett.116.062501
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2016SI02      Phys.Rev. C 93, 011302 (2016)

J.Simonis, K.Hebeler, J.D.Holt, J.Menendez, A.Schwenk

Exploring sd-shell nuclei from two- and three-nucleon interactions with realistic saturation properties

NUCLEAR STRUCTURE 18,19,20,21,22,23,24,25,26,27,28O, 19,20,21,22,23,24,25,26,27,28,29F, 20,21,22,23,24,25,26,27,28,29,30Ne, 21,22,23,24,25,26,27,28,29,30,31Na, 22,23,24,25,26,27,28,29,30,31,32Mg, 23,24,25,26,27,28,29,30,31,32,33Al, 24,25,26,27,28,29,30,31,32,33,34Si, 25,26,27,28,29,30,31,32,33,34,35P, 26,27,28,29,30,31,32,33,34,35,36S, 27,28,29,30,31,32,33,34,35,36,37Cl, 28,29,30,31,32,33,34,35,36,37,38Ar, 29,30,31,32,33,34,35,36,37,38,39K, 30,31,32,33,34,35,36,37,38,39,40Ca; calculated S(2n), S(2p), energies of first 2+ states in even-even nuclei, and theoretical uncertainty estimates from variation of the resolution scale, the low-energy couplings, and from the many-body method. 22,23,24,25,26,27,28,29,30,31,32Mg, 27,28,29,30,31,32,33,34,35,36,37Cl; calculated ground-state energies relative to that of 16O, and theoretical uncertainties. Comparison to AME-12 data.

doi: 10.1103/PhysRevC.93.011302
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2016ST12      Phys.Rev. C 93, 051301 (2016)

S.R.Stroberg, H.Hergert, J.D.Holt, S.K.Bogner, A.Schwenk

Ground and excited states of doubly open-shell nuclei from ab initio valence-space Hamiltonians

NUCLEAR STRUCTURE 19,23,25,26F, 20,22,24,25,26Ne, 24Mg; calculated levels, J, π, yrast states from ab initio in-medium similarity renormalization group (IM-SRG) Hamiltonians based on NN+3N-induced and NN+3N-full Hamiltonians. Comparison with experimental data, and with phenomenological USDB predictions. 17,18,19,20,21,22,23,24,25,26,27,28,29F, 18,19,20,21,22,23,24,25,26,27,28,29,30Ne; calculated ground-state energies from the A-dependent IM-SRG valence-space Hamiltonian. Comparison with AME-2012 values, and the phenomenological USDB interaction.

doi: 10.1103/PhysRevC.93.051301
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2016TE01      Phys.Rev. C 93, 024305 (2016)

I.Tews, S.Gandolfi, A.Gezerlis, A.Schwenk

Quantum Monte Carlo calculations of neutron matter with chiral three-body forces

doi: 10.1103/PhysRevC.93.024305
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2015CA09      Phys.Rev. C 92, 014327 (2015)

L.Caceres, A.Lepailleur, O.Sorlin, M.Stanoiu, D.Sohler, Zs.Dombradi, S.K.Bogner, B.A.Brown, H.Hergert, J.D.Holt, A.Schwenk, F.Azaiez, B.Bastin, C.Borcea, R.Borcea, C.Bourgeois, Z.Elekes, Zs.Fulop, S.Grevy, L.Gaudefroy, G.F.Grinyer, D.Guillemaud-Mueller, F.Ibrahim, A.Kerek, A.Krasznahorkay, M.Lewitowicz, S.M.Lukyanov, J.Mrazek, F.Negoita, F.de Oliveira, Yu.-E.Penionzhkevich, Zs.Podolyak, M.G.Porquet, F.Rotaru, P.Roussel-Chomaz, M.G.Saint-Laurent, H.Savajols, G.Sletten, J.C.Thomas, J.Timar, C.Timis, Zs.Vajta

Nuclear structure studies of 24F

NUCLEAR REACTIONS 9Be(36S, X)24O/26F/27Ne/28Ne/29Na/30Na, E=77.6 MeV/nucleon; measured energy loss, TOF, yields using LISE achromatic spectrometer at GANIL facility. C(27Na, 24F), E=54-65 MeV/nucleon, [secondary cocktail beam of 25,26Ne, 27,28Na, 29,30Mg from C(36S, X), E=77.6 MeV/nucleon primary reaction, and separated using ALPHA and SPEG spectrometers]; measured Eγ, Iγ, (particle)γ-, γγ-coin using Chateau de Cristal array. 24F; deduced levels, J, π, branching ratios, configurations. Comparison with shell-model calculations using USDA and USDB interactions, and ab initio shell-model calculations, using interactions derived from chiral NN+3N forces by means of IM-SRG.

RADIOACTIVITY 24O(β-), (β-n)[from Be(36S, X), E=77.6 MeV/nucleon using LISE spectrometer at GANIL]; measured Eγ, Iγ, Eβ, βγ-, γγ-coin, (24O)β-correlations, half-life of 24O isotope from (24O)γ-correlated decay curve, β-delayed neutron emission probability Pn using four segmented Ge clover detectors of EXOGAM array for γ rays and DSSSDs for particles. 24F; deduced levels, J, π, branching ratios, β feedings, logft. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.92.014327
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2015RR01      Phys.Rev. C 91, 035806 (2015)

E.Rrapaj, J.W.Holt, A.Bartl, S.Reddy, A.Schwenk

Charged-current reactions in the supernova neutrino-sphere

NUCLEAR REACTIONS 1n(ν, e-)p, E=1-100 MeV; 1H(ν-bar, e+)n, E=1-100 MeV; calculated neutrino absorption rates due to charged-current reactions in the outer regions of a newly born neutron star called the neutrino-sphere, momentum-, density-, and temperature-dependent nucleon self-energies in the Hartree-Fock approximation.

doi: 10.1103/PhysRevC.91.035806
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2015RU02      Phys.Rev. C 91, 041304 (2015)

R.F.Garcia Ruiz, M.L.Bissell, K.Blaum, N.Frommgen, M.Hammen, J.D.Holt, M.Kowalska, K.Kreim, J.Menendez, R.Neugart, G.Neyens, W.Nortershauser, F.Nowacki, J.Papuga, A.Poves, A.Schwenk, J.Simonis, D.T.Yordanov

Ground-state electromagnetic moments of calcium isotopes

NUCLEAR MOMENTS 43,45,47,49,51Ca; measured hyperfine spectra, hyperfine structure constants, J, g factors, magnetic and quadrupole moments using collinear laser spectroscopy (COLLAPS) and radiofrequency quadrupole (RFQ) beam cooler ISCOOL at ISOLDE-CERN facility. Comparison with theoretical predictions using KB3G, GXPF1A, SDPF.SM and three-nucleon forces (NN+3N). Ca beams produced in bombardment of uranium carbide target with 1.4-GeV protons at ISOLDE-CERN.

doi: 10.1103/PhysRevC.91.041304
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2015SH15      Phys.Rev. C 91, 042801 (2015)

R.Sharma, S.Bacca, A.Schwenk

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

doi: 10.1103/PhysRevC.91.042801
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2014BO25      Phys.Rev.Lett. 113, 142501 (2014)

S.K.Bogner, H.Hergert, J.D.Holt, A.Schwenk, S.Binder, A.Calci, J.Langhammer, R.Roth

Nonperturbative Shell-Model Interactions from the In-Medium Similarity Renormalization Group

NUCLEAR STRUCTURE 21,22,23,24,25,26O; calculated energy levels, J, π. Comparison with experimental data.

doi: 10.1103/PhysRevLett.113.142501
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2014BR01      Phys.Rev. C 89, 011307 (2014); Erratum Phys.Rev. C 91, 049902 (2015)

B.A.Brown, A.Schwenk

Constraints on Skyrme equations of state from properties of doubly magic nuclei and ab initio calculations of low-density neutron matter

NUCLEAR STRUCTURE 48Ca, 208Pb; calculated neutron skins and dipole polarizability using ab initio calculations of low-density neutron matter to constrain Skyrme equations of state (EOS) for neutron-rich conditions, using several EDFs. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.011307
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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
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2014FO09      Phys.Rev. C 89, 041301 (2014)

M.M.Forbes, A.Gezerlis, K.Hebeler, T.Lesinski, A.Schwenk

Neutron polaron as a constraint on nuclear density functionals

doi: 10.1103/PhysRevC.89.041301
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2014GA20      Phys.Rev.Lett. 113, 082501 (2014)

A.T.Gallant, M.Brodeur, C.Andreoiu, A.Bader, A.Chaudhuri, U.Chowdhury, A.Grossheim, R.Klawitter, A.A.Kwiatkowski, K.G.Leach, A.Lennarz, T.D.Macdonald, B.E.Schultz, J.Lassen, H.Heggen, S.Raeder, A.Teigelhofer, B.A.Brown, A.Magilligan, J.D.Holt, J.Menendez, J.Simonis, A.Schwenk, J.Dilling

Breakdown of the Isobaric Multiplet Mass Equation for the A=20 and 21 Multiplets

ATOMIC MASSES 20,21Mg; measured time-of-flight ion cyclotron resonance; deduced masses. Comparison with shell model calculations, AME2012 mass evaluation.

doi: 10.1103/PhysRevLett.113.082501
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2014GE06      Phys.Rev. C 90, 054323 (2014)

A.Gezerlis, I.Tews, E.Epelbaum, M.Freunek, S.Gandolfi, K.Hebeler, A.Nogga, A.Schwenk

Local chiral effective field theory interactions and quantum Monte Carlo applications

NUCLEAR STRUCTURE 2H; calculated binding energy, quadrupole moment, magnetic moment, asymptotic D/S ratio, rms radius, asymptotic s-wave factor, and the d-state probability using the local chiral potentials. Calculated ground-state energy for a 66-neutron matter system. Local chiral effective field theory interactions to next-to-next-to-leading order and Monte Carlo calculations for neutron matter.

doi: 10.1103/PhysRevC.90.054323
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2014HE03      Eur.Phys.J. A 50, 11 (2014)

K.Hebeler, A.Schwenk

Symmetry energy, neutron skin, and neutron star radius from chiral effective field theory interactions

doi: 10.1140/epja/i2014-14011-4
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2014HO12      Phys.Rev. C 90, 024312 (2014)

J.D.Holt, J.Menendez, J.Simonis, A.Schwenk

Three-nucleon forces and spectroscopy of neutron-rich calcium isotopes

NUCLEAR STRUCTURE 40,41,42,43,44,45,46,47,48,49,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70Ca; calculated ground-state energies in pf and pfg9/2 shells, convergence of 42Ca and 48Ca ground-state energies as a function of increasing intermediate-state excitations; calculated levels, J, π, B(E2), B(M1) for 43,44,45,46,47,48,49,51,52,53,54,55,56,57Ca, energy convergence. Chiral two- and three-nucleon (NN and 3N) interactions, and many-body perturbation theory (MBPT). Comparison with coupled-cluster calculations, and with available experimental data for A=43-57 Ca isotopes.

doi: 10.1103/PhysRevC.90.024312
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2014LY02      Phys.Rev.Lett. 113, 192501 (2014)

J.E.Lynn, J.Carlson, E.Epelbaum, S.Gandolfi, A.Gezerlis, A.Schwenk

Quantum Monte Carlo Calculations of Light Nuclei Using Chiral Potentials

NUCLEAR STRUCTURE 3,4He, 2,3H; calculated one- and two-body proton distributions, nuclear radii, binding energies; deduced the necessity of a three-body force.

doi: 10.1103/PhysRevLett.113.192501
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2013GE03      Phys.Rev.Lett. 111, 032501 (2013)

A.Gezerlis, I.Tews, E.Epelbaum, S.Gandolfi, K.Hebeler, A.Nogga, A.Schwenk

Quantum Monte Carlo Calculations with Chiral Effective Field Theory Interactions

doi: 10.1103/PhysRevLett.111.032501
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2013HE07      Phys.Rev. C 87, 034307 (2013)

H.Hergert, S.K.Bogner, S.Binder, A.Calci, J.Langhammer, R.Roth, A.Schwenk

In-medium similarity renormalization group with chiral two- plus three-nucleon interactions

NUCLEAR STRUCTURE 4He, 16,24O, 40,48Ca, 48,56Ni; calculated ground states energies, and binding energies using the in-medium similarity renormalization group (IM-SRG), based on chiral two- plus three-nucleon interactions. Comparison with coupled cluster calculations, truncated no-core shell model, and with experimental data.

doi: 10.1103/PhysRevC.87.034307
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2013HO01      Phys.Rev.Lett. 110, 022502 (2013)

J.D.Holt, J.Menendez, A.Schwenk

Three-Body Forces and Proton-Rich Nuclei

NUCLEAR STRUCTURE 18Ne, 19Na, 20Mg, 21Al, 22Si; calculated excitation energies, J, π, ground-state energy, one- and two-proton separation energies. Three-nucleon forces, comparison with AME2011, isobaric multiplet mass equation (IMME) IMME data.

doi: 10.1103/PhysRevLett.110.022502
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2013HO07      Eur.Phys.J. A 49, 39 (2013)

J.D.Holt, J.Menendez, A.Schwenk

Chiral three-nucleon forces and bound excited states in neutron-rich oxygen isotopes

NUCLEAR STRUCTURE 21,22,23O; calculated low-lying levels, J, π using chiral two- and three-nucleon interactions. Compared with data and with other calculations.

doi: 10.1140/epja/i2013-13039-2
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2013KR10      Phys.Rev. C 88, 025802 (2013)

T.Kruger, I.Tews, K.Hebeler, A.Schwenk

Neutron matter from chiral effective field theory interactions

doi: 10.1103/PhysRevC.88.025802
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2013SC14      J.Phys.:Conf.Ser. 445, 012009 (2013)

A.Schwenk

Three-nucleon forces and nuclei at the extremes

NUCLEAR STRUCTURE 16,17,18,19,20,21,22,23,24,25,26,27,28O; calculated single-particle energy. 48,49,50,51,52Ca; calculated 2n separation energy, Q. 42,44,46,48,50,52,54,56,58,60,62,64,66,68Ca;calculated 2+ energy. 16O, 17F, 18Ne, 19Na, 20Mg, 21Al, 22Si; calculated levels, J, π, Q. Two- and three-nucleon forces; compared with available data and AME.

doi: 10.1088/1742-6596/445/1/012009
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