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NSR database version of April 11, 2024.

Search: Author = P.G.Reinhard

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2024NE01      Eur.Phys.J. A 60, 28 (2024)

V.O.Nesterenko, P.I.Vishnevskiy, P.-G.Reinhard, A.Repko, J.Kvasil

Microscopic analysis of dipole electric and magnetic strengths in 156Gd

NUCLEAR STRUCTURE 156Gd; calculated deformation parameters, proton and neutron pairing gaps, QRPA E1 photoabsorption and M1 SFGR strengths within a fully self-consistent Quasiparticle Random Phase Approximation (QRPA) with Skyrme forces SVbas, SLy6 and SG2; deduced the effect of the central exchange term from the Skyrme functional. Comparison with available data.

doi: 10.1140/epja/s10050-024-01251-4
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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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2023GR07      Phys.Lett. B 847, 138268 (2023)

T.J.Gray, A.E.Stuchbery, J.Dobaczewski, A.Blazhev, H.A.Alshammari, L.J.Bignell, J.Bonnard, B.J.Coombes, J.T.H.Dowie, M.S.M.Gerathy, T.Kibedi, G.J.Lane, B.P.McCormick, A.J.Mitchell, C.Nicholls, J.G.Pope, P.-G.Reinhard, N.J.Spinks, Y.Zhong

Shape polarization in the tin isotopes near N = 60 from precision g-factor measurements on short-lived 11/2- isomers

RADIOACTIVITY 109,111Sn(IT) [from 96,98Mo(16O, 3n), E=58 MeV]; measured decay products, frequencies, Eγ, Iγ. 113Sn; deduced γ-ray energies, partial level schemes, isomeric R(t) function, g-factors, hyperfine field strength. Comparison with broken-symmetry density functional theory calculations and available data. The Time Differential Perturbed Angular Distribution (TDPAD) technique. The Heavy Ion Accelerator Facility at the Australian National University.

doi: 10.1016/j.physletb.2023.138268
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2023KO19      Phys.Rev.Lett. 131, 102501 (2023)

K.Konig, S.Fritzsche, G.Hagen, J.D.Holt, A.Klose, J.Lantis, Y.Liu, K.Minamisono, T.Miyagi, W.Nazarewicz, T.Papenbrock, S.V.Pineda, R.Powel, P.-G.Reinhard

Surprising Charge-Radius Kink in the Sc Isotopes at N=20

NUCLEAR REACTIONS Be(40Ca, X)40Sc/41Sc, E=140 MeV/nucleon; measured frequencies; deduced resonance spectra, charge radii using collinear laser spectroscopy, kink at neutron shell closure. Comparison with available data. The National Superconducting Cyclotron Laboratory.

doi: 10.1103/PhysRevLett.131.102501
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2022AL19      Phys.Rev. C 106, 054304 (2022)

P.Alexa, M.Abolghasem, G.Thiamova, D.Bonatsos, T.R.Rodriguez, P.-G.Reinhard

Macroscopic and microscopic description of phase transition in cerium isotopes

NUCLEAR STRUCTURE 146,148Ce, 150Ce; calculated levels, J, π, B(E2), ground state deformation. 142,144,146,148,150,152Ce; calculated potential energy surface, potential energy curves. Calculations in the framework of the macroscopic algebraic collective model (ACM) and two microscopic approaches - Skyrme-Hartree-Fock+Bardeen-Cooper-Schrieffer (BCS) and the symmetry conserving configuration mixing method (SCCM) with Gogny energy density functionals. Systematics of the experimental energy ratios for 0+, 2+, 4+, 6+ levels of Ce, Nd, Sm, Gd and Dy isotopes. Comparison with experimental data.

doi: 10.1103/PhysRevC.106.054304
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2022KO04      Phys.Rev. C 105, L021303 (2022)

M.Kortelainen, Z.Sun, G.Hagen, W.Nazarewicz, T.Papenbrock, P.-G.Reinhard

Universal trend of charge radii of even-even Ca-Zn nuclei

NUCLEAR STRUCTURE 36,38,40,42,44,46,48,50,52,54,56,58,60Ca, 42,44,46,48,50,52,54,56,58,60,62Ti, 44,46,48,50,52,54,56,58,60,62,64Cr, 46,48,50,52,54,56,58,60,62,64,66Fe, 48,50,52,54,56,58,60,62,64,66,68Ni, 60,62,64,66,68,70Zn; calculated ground state energies, charge rms radii. Coupled cluster (CC) and ab-initio density functional theory calculations extended to the open-shell deformed nuclei. Comparison to available data.

doi: 10.1103/PhysRevC.105.L021303
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2022LY02      Phys.Rev. C 105, 014327 (2022)

N.Lyutorovich, V.Tselyaev, J.Speth, G.Martinez-Pinedo, K.Langanke, P.-G.Reinhard

Self-consistent description of high-spin states in doubly magic 208Pb

NUCLEAR STRUCTURE 208Pb; calculated natural and unnatural high-spin yrast levels of spins from 13-30, energy difference for the first two excited states in each angular momentum channel, discrete RPA (DRPA) results for the energies of the high-spin yrast states, energies and structures of 2p2h, 1p1h+phonon, and two-phonon energies of high spins. Self-consistent phonon-coupling model based on Skyrme functionals, with renormalized time-blocking approximation which evolves coherent one-particle-one-hole states of the random-phase approximation (RPA) to more complex configurations beyond RPA. Comparison with experimental data.

doi: 10.1103/PhysRevC.105.014327
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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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2022RE02      Phys.Rev. C 105, L021301 (2022)

P.-G.Reinhard, W.Nazarewicz

Information content of the differences in the charge radii of mirror nuclei

NUCLEAR STRUCTURE 36S, 54Fe, 48,54Ni, 36,48Ca, 208Pb; calculated charge radii of mirror nuclei. Analysis of the correlation between mirror charge radii and slope of the symmetry energy L. Comparison with available data.

doi: 10.1103/PhysRevC.105.L021301
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2022RE09      Phys.Rev. C 106, 014303 (2022)

P.-G.Reinhard, W.Nazarewicz

Statistical correlations of nuclear quadrupole deformations and charge radii

NUCLEAR STRUCTURE 166,168,170,172,174Er, 168,170,172,174,176Yb, 170,172,174,176,178Hf; calculated proton quadrupole ground-state deformations β2, charge radii, proton and neutron pairing energies, and single-particle energies, coefficients of determination (CoD) diagrams for the underlying deformed shell structure and changes of single-particle configurations due to crossings of s.p. levels. Self-consistent mean-field theory using quantified energy density functionals SV-min and Fy(Δr, BCS), and density-dependent pairing forces, with the statistical analysis using linear least-square regression.

doi: 10.1103/PhysRevC.106.014303
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2022RE14      Phys.Rev.Lett. 129, 232501 (2022)

P.-G.Reinhard, X.Roca-Maza, W.Nazarewicz

Combined Theoretical Analysis of the Parity-Violating Asymmetry for 48Ca and 208Pb

NUCLEAR STRUCTURE 48Ca, 208Pb; analyzed available data; deduced the parity violating asymmetry, the static electric dipole polarizability, masses and charge radii.

doi: 10.1103/PhysRevLett.129.232501
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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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2021AD09      Phys.Rev. C 103, 044315 (2021)

P.Adsley, V.O.Nesterenko, M.Kimura, L.M.Donaldson, R.Neveling, J.W.Brummer, D.G.Jenkins, N.Y.Kheswa, J.Kvasil, K.C.W.Li, D.J.Marin-Lambarri, Z.Mabika, P.Papka, L.Pellegri, V.Pesudo, B.Rebeiro, P.-G.Reinhard, F.D.Smit, W.Yahia-Cherif

Isoscalar monopole and dipole transitions in 24Mg, 26Mg, and 28Si

NUCLEAR REACTIONS 24,26Mg, 28Si(α, α'), E=200 MeV; measured E(α), I(α), differential σ(θ) using K600 magnetic spectrometer for momentum analysis of α particles, and two multiwire drift chambers and two plastic scintillators at the iThemba LABS accelerator facility. 24,26Mg, 28Si; deduced levels, J, π, deformation parameters, percentage of the energy weighted sum rule (EWSR) for a level, B(E1), strength distributions for isoscalar dipole (IS1) and isoscalar monopole transitions (IS0), configurations. Comparison with Skyrme quasiparticle random-phase approximation (QRPA) and antisymmetrized molecular dynamics+generator coordinate method (AMD+GCM) calculations, and with experimental data in the ENSDF database.

doi: 10.1103/PhysRevC.103.044315
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1003. Data from this article have been entered in the XUNDL database. For more information, click here.

2021KO08      Nat.Phys. 17, 439 (2021), Erratum Nat.Phys. 17, 539 (2021)

A.Koszorus, X.F.Yang, W.G.Jiang, S.J.Novario, S.W.Bai, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, B.S.Cooper, R.P.de Groote, A.Ekstrom, K.T.Flanagan, C.Forssen, S.Franchoo, R.F.Garcia Ruiz, F.P.Gustafsson, G.Hagen, G.R.Jansen, A.Kanellakopoulos, M.Kortelainen, W.Nazarewicz, G.Neyens, T.Papenbrock, P.-G.Reinhard, C.M.Ricketts, B.K.Sahoo, A.R.Vernon, S.G.Wilkins

Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32

NUCLEAR MOMENTS 36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52K; measured frequencies; deduced hyperfine structure spectra, charge radii, new magic numbers. Comparison with NNLO, HFB calculations.

doi: 10.1038/s41567-020-01136-5
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2021RE06      Phys.Rev. C 103, 054310 (2021), Phys.Rev. C 107, 069901 (2023)

P.-G.Reinhard, W.Nazarewicz

Nuclear charge densities in spherical and deformed nuclei: Toward precise calculations of charge radii

NUCLEAR STRUCTURE 40,48Ca; calculated charge and proton density distributions, differential mean-square charge radii and compared with experimental data. Z=20, N=16-34; Z=24, N=20-44; Z=38, N=34-70; Z=50, N=50-86; Z=70, N=80-126; Z=82, N=102-150; Z=92, N=122-156; N=20, Z=10-24; N=28, Z=16-30; N=50, Z=30-52; N=82, Z=44-72; N=126, Z=70-92; calculated rms point-proton and charge radii for isotopic and isotonic chains and corrections to the fourth radial moments, surface thicknesses, and diffraction radii of magic and open-shell spherical and deformed even-even nuclei. Self-consistent mean-field theory using quantified energy density functionals and density-dependent pairing forces with Skyrme parameterization SV-bas optimized to a large experimental calibration dataset.

doi: 10.1103/PhysRevC.103.054310
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2021RE13      Phys.Rev.Lett. 127, 232501 (2021)

P.-G.Reinhard, X.Roca-Maza, W.Nazarewicz

Information Content of the Parity-Violating Asymmetry in 208Pb

NUCLEAR STRUCTURE 208Pb; analyzed data on the parity-violating asymmetry; deduced the theoretical uncertainty, neutron skin thickness, the symmetry-energy slope. Set of relativistic energy density functionals.

doi: 10.1103/PhysRevLett.127.232501
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2020BA47      Phys.Rev. C 102, 034327 (2020)

S.Bassauer, P.von Neumann-Cosel, P.-G.Reinhard, A.Tamii, S.Adachi, C.A.Bertulani, P.Y.Chan, A.D'Alessio, H.Fujioka, H.Fujita, Y.Fujita, G.Gey, M.Hilcker, T.H.Hoang, A.Inoue, J.Isaak, C.Iwamoto, T.Klaus, N.Kobayashi, Y.Maeda, M.Matsuda, N.Nakatsuka, S.Noji, H.J.Ong, I.Ou, N.Pietralla, V.Yu.Ponomarev, M.S.Reen, A.Richter, M.Singer, G.Steinhilber, T.Sudo, Y.Togano, M.Tsumura, Y.Watanabe, V.Werner

Electric and magnetic dipole strength in 112, 114, 116, 118, 120, 124Sn

NUCLEAR REACTIONS 112,114,116,118,120,124Sn(p, p'), E=295 MeV; measured E(p), I(p), particle spectra through identification via the correlation of energy loss and time of flight (ToF), double differential σ(θ, E(exc)) using Grand Raiden spectrometer at RCNP accelerator facility; deduced photoabsorption cross sections due to E1 and M1 excitations from multipole decomposition analysis (MDA) after subtraction of the ISGMR and ISGQR contributions, σ, energy and width of isovector giant dipole resonance (IVGDR), B(E1) and B(M1) strengths in the excitation energy range of 6-20 MeV, dipole polarizability. Comparison with previous experimental results from (γ, xn) and (γ, γ') experiments.

doi: 10.1103/PhysRevC.102.034327
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2020BA50      Phys.Lett. B 810, 135804 (2020)

S.Bassauer, P.von Neumann-Cosel, P.-G.Reinhard, A.Tamii, S.Adachi, C.A.Bertulani, P.Y.Chan, G.Colo, A.D'Alessio, H.Fujioka, H.Fujita, Y.Fujita, G.Gey, M.Hilcker, T.H.Hoang, A.Inoue, J.Isaak, C.Iwamoto, T.Klaus, N.Kobayashi, Y.Maeda, M.Matsuda, N.Nakatsuka, S.Noji, H.J.Ong, I.Ou, N.Paar, N.Pietralla, V.Yu.Ponomarev, M.S.Reen, A.Richter, X.Roca-Maza, M.Singer, G.Steinhilber, T.Sudo, Y.Togano, M.Tsumura, Y.Watanabe, V.Werner

Evolution of the dipole polarizability in the stable tin isotope chain

NUCLEAR REACTIONS 112,114,116,118,120,124Sn(p, p'), E=295 MeV; 116Sn(γ, X), E<30 MeV; measured reaction products, Ep, Ip; deduced σ(θ, E), σ, total dipole polarizability. Comparison with available data.

doi: 10.1016/j.physletb.2020.135804
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2020BE28      J.Phys.(London) G47, 113002 (2020)

M.Bender, R.Bernard, G.Bertsch, S.Chiba, J.Dobaczewski, N.Dubray, S.A.Giuliani, K.Hagino, D.Lacroix, Z.Li, P.Magierski, J.Maruhn, W.Nazarewicz, J.Pei, S.Peru, N.Pillet, J.Randrup, D.Regnier, P.G.Reinhard, L.M.Robledo, W.Ryssens, J.Sadhukhan, G.Scamps, N.Schunck, C.Simenel, J.Skalski, I.Stetcu, P.Stevenson, S.Umar, M.Verriere, D.Vretenar, M.Warda, S.Aberg

Future of nuclear fission theory

doi: 10.1088/1361-6471/abab4f
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2020DE21      Nat.Phys. 16, 620 (2020)

R.P.de Groote, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, J.D.Holt, A.Koszorus, K.M.Lynch, T.Miyagi, W.Nazarewicz, G.Neyens, P.-G.Reinhard, S.Rothe, H.H.Stroke, A.R.Vernon, K.D.A.Wendt, S.G.Wilkins, Z.Y.Xu, X.F.Yang

Measurement and microscopic description of odd-even staggering of charge radii of exotic copper isotopes

NUCLEAR MOMENTS 63,64,65,68,69,70,71,72,73,74,75,76,77,78Cu; measured laser frequencies; deduced isotope shifts, charge radii. Isotope Mass Separator On-Line Device facility (ISOLDE) at CERN.

doi: 10.1038/s41567-020-0868-y
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2020DO11      Phys.Rev. C 102, 064327 (2020)

L.M.Donaldson, J.Carter, P.von Neumann-Cosel, V.O.Nesterenko, R.Neveling, P.-G.Reinhard, I.T.Usman, P.Adsley, C.A.Bertulani, J.W.Brummer, E.Z.Buthelezi, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Fujita, M.Jingo, N.Y.Kheswa, W.Kleinig, C.O.Kureba, J.Kvasil, M.Latif, K.C.W.Li, J.P.Mira, F.Nemulodi, P.Papka, L.Pellegri, N.Pietralla, V.Yu.Ponomarev, B.Rebeiro, A.Richter, N.Yu.Shirikova, E.Sideras-Haddad, A.V.Sushkov, F.D.Smit, G.F.Steyn, J.A.Swartz, A.Tamii

Fine structure of the isovector giant dipole resonance in 142-150Nd and 152Sm

NUCLEAR REACTIONS 142,144,146,148,150Nd, 152Sm(p, p'), E=200 MeV from the Separated Sector Cyclotron (SSC) at iThemba LABS; measured reaction products, E(p), I(p), time-of-flight using the K600 magnetic spectrometer, two multiwire drift chambers (MWDCs) and two plastic scintillators; deduced double-differential σ(E*=10-22 MeV), equivalent photoabsorption spectra, excitation-energy spectra, wavelet power spectra, fine structure of the isovector giant-dipole resonance (IVGDR), fragmentation of the one-particle-one-hole (1p1h) strength into several dominant transitions serving as doorway states in the spherical and intermediate spherical/deformed nuclei. Comparison with predictions of quasiparticle phonon model (QPM), and Skyrme separable random phase approximation (SSRPA).

doi: 10.1103/PhysRevC.102.064327
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0860.

2020PA09      Phys.Rev. C 101, 034619 (2020)

A.Palffy, P.-G.Reinhard, H.Weidenmuller

Rate for laser-induced nuclear dipole absorption

doi: 10.1103/PhysRevC.101.034619
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2020RE03      Phys.Rev. C 101, 021301 (2020)

P.-G.Reinhard, W.Nazarewicz, R.F.Garcia Ruiz

Beyond the charge radius: The information content of the fourth radial moment

NUCLEAR STRUCTURE Z=50, N=50-124; calculated form factor and Helm-model values for radial moments r2 and r4, surface thicknesses, diffraction radii for even-even Sn nuclei. 44,48Ca, 124,132,136Sn, 202,208,214Pb; calculated coefficient of determination (CoD) from the covariance measure and multiple correlation coefficients (MCC) for spherical nuclei. Z=20, N=16-40; Z=50, N-50-124; Z=82, N=108-144; calculated relative difference of Helm-model predictions and the form factor values of diffraction radii and surface thicknesses for even-even Ca, Sn and Pb isotopic chains. Relevance to precise measurements of atomic transitions and experimental determination of fourth radial moment r4 in the next generation of radioactive beam facilities, and impact of r4 value in constraining the current energy density functionals.

doi: 10.1103/PhysRevC.101.021301
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2020SC05      Phys.Rev. C 101, 055804 (2020)

B.Schuetrumpf, G.Martinez-Pinedo, P.-G.Reinhard

Survey of nuclear pasta in the intermediate-density regime: Structure functions for neutrino scattering

doi: 10.1103/PhysRevC.101.055804
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2020SP06      Phys.Rev. C 102, 054332 (2020)

J.Speth, P.-G.Reinhard, V.Tselyaev, N.Lyutorovich

Generalized Skyrme random-phase approximation for nuclear resonances: Different trends for electric and magnetic modes

NUCLEAR STRUCTURE 208Pb; calculated collective low- and high-lying resonances, GDR, GMR, GQR, energies of M1 excitations, energies of the first excited 3-, 5-, and 2+ states. Self-consistent Skyrme energy-density functional (EDF) approach using random phase approximation (RPA) and particle-hole plus phonon-coupling model, termed as time-blocking approximation (TBA).

doi: 10.1103/PhysRevC.102.054332
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2020TS02      Phys.Rev. C 102, 064319 (2020)

V.Tselyaev, N.Lyutorovich, J.Speth, P.-G.Reinhard

M1 resonance in 208Pb within the self-consistent phonon-coupling model

NUCLEAR STRUCTURE 208Pb; calculated energy and B(M1) of the isoscalar 1+ state, mean energy and the summed strength B(M1) of the isovector M1 resonance, energies and B(Eλ) values for first 2+, 3-, 4+, 5- and 6+ states, strength distributions of M1 excitations in (γ, γ'), and partial M1 cross sections in (p, p'). Extended self-consistent model including the particle-phonon coupling within the renormalized time blocking approximation (RenTBA) with several modified Skyrme energy density functionals (EDFs), and random-phase approximation (RPA) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.064319
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2020YO07      Commun. Phys. 3, 107 (2020)

D.T.Yordanov, L.V.Rodriguez, D.L.Balabanski, J.Bieron, M.L.Bissell, K.Blaum, B.Cheal, J.Ekman, G.Gaigalas, R.F.G.Ruiz, G.Georgiev, W.Gins, M.R.Godefroid, C.Gorges, Z.Harman, H.Heylen, P.Jonsson, A.Kanellakopoulos, S.Kaufmann, C.H.Keitel, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, N.S.Oreshkina, A.Papoulia, P.Pyykko, P.-G.Reinhard, S.Sailer, R.Sanchez, S.Schiffmann, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Xu, X.Yang

Structural trends in atomic nuclei from laser spectroscopy of tin

NUCLEAR MOMENTS 109,115,117,119,121,123,125,127,129,131Sn; measured frequency scales relative to the fine-structure splittings in the transitions; deduced mean square charge-radii changes, high-precision magnetic moments, quadrupole moments.

doi: 10.1038/s42005-020-0348-9
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2019AB13      Acta Phys.Pol. B50, 555 (2019)

M.Abolghasem, P.Alexa, A.Repko, P.-G.Reinhard

Evolution of Nuclear Shapes and Structure in Tellurium, Xenon, Barium and Cerium Isotopes

NUCLEAR STRUCTURE 134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178Te, 136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180Xe, 138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182Ba, 140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184Ce; calculated quadrupole β2, octupole β3 and hexadecapole β4 deformation parameters, level energies. Hartree-Fock+BCS and Skyrme QRPA calculations. Comparison to experimental results.

doi: 10.5506/aphyspolb.50.555
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2019GI06      Rev.Mod.Phys. 91, 011001 (2019)

S.A.Giuliani, Z.Matheson, W.Nazarewicz, E.Olsen, P.-G.Reinhard, J.Sadhukhan, B.Schuetrumpf, N.Schunck, P.Schwerdtfeger

Colloquium: Superheavy elements: Oganesson and beyond

doi: 10.1103/RevModPhys.91.011001
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2019GO12      Phys.Rev.Lett. 122, 192502 (2019)

C.Gorges, L.V.Rodriguez, D.L.Balabanski, M.L.Bissell, K.Blaum, B.Cheal, R.F.Garcia Ruiz, G.Georgiev, W.Gins, H.Heylen, A.Kanellakopoulos, S.Kaufmann, M.Kowalska, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, P.-G.Reinhard, S.Sailer, R.Sanchez, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov

Laser Spectroscopy of Neutron-Rich Tin Isotopes: A Discontinuity in Charge Radii across the N=82 Shell Closure

NUCLEAR MOMENTS 108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn; measured frequencies; deduced isotope shifts, mean-square nuclear charge radii.

doi: 10.1103/PhysRevLett.122.192502
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2019NE07      Phys.Rev. C 100, 064302 (2019)

V.O.Nesterenko, A.Repko, J.Kvasil, P.-G.Reinhard

Individual dipole toroidal states: Main features and search in the (e, e') reaction

NUCLEAR REACTIONS 24Mg(e, e'), qeffective<3 fm-1; calculated B(E1), B(M2), B(E3), transversal form factors, cross sections for toroidal and compressional states (TS and CS) and the giant-dipole resonance (GDR) using quasiparticle random-phase approximation (QRPA) with Skyrme forces. Comparison with available experimental data.

doi: 10.1103/PhysRevC.100.064302
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2019RE10      Eur.Phys.J. A 55, 242 (2019)

A.Repko, V.O.Nesterenko, J.Kvasil, P.-G.Reinhard

Systematics of toroidal dipole modes in Ca, Ni, Zr, and Sn isotopes

doi: 10.1140/epja/i2019-12770-x
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2019TS05      Phys.Rev. C 99, 064329 (2019)

V.Tselyaev, N.Lyutorovich, J.Speth, P.-G.Reinhard, D.Smirnov

Low-energy M1 excitations in 208Pb and the spin channel of the Skyrme energy-density functional

NUCLEAR STRUCTURE 208Pb; calculated levels, B(M1), M1 strength function, and one-particle one-hole energies, rms radii using RPA with various Skyrme energy-density functional parametrizations. Comparison with experimental values, and discussed impact of spin-dependent part of Skyrme energy-density functional on M1 modes.

doi: 10.1103/PhysRevC.99.064329
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2018DO01      Phys.Lett. B 776, 133 (2018)

L.M.Donaldson, C.A.Bertulani, J.Carter, V.O.Nesterenko, P.von Neumann-Cosel, R.Neveling, V.Yu.Ponomarev, P.-G.Reinhard, I.T.Usman, P.Adsley, J.W.Brummer, E.Z.Buthelezi, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Fujita, M.Jingo, W.Kleinig, C.O.Kureba, J.Kvasil, M.Latif, K.C.W.Li, J.P.Mira, F.Nemulodi, P.Papka, L.Pellegri, N.Pietralla, A.Richter, E.Sideras-Haddad, F.D.Smit, G.F.Steyn, J.A.Swartz, A.Tamii

Deformation dependence of the isovector giant dipole resonance: The neodymium isotopic chain revisited

NUCLEAR REACTIONS 144,146,148,150Nd, 152Sm(p, p'), E=200 MeV; measured reaction products, Eγ, Iγ; deduced σ, σ(θ, E), σ(θ). Comparison with DWBA calculations.

doi: 10.1016/j.physletb.2017.11.025
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2018HA30      Phys.Rev.Lett. 121, 102501 (2018)

M.Hammen, W.Nortershauser, D.L.Balabanski, M.L.Bissell, K.Blaum, I.Budincevic, B.Cheal, K.T.Flanagan, N.Frommgen, G.Georgiev, Ch.Geppert, M.Kowalska, K.Kreim, A.Krieger, W.Nazarewicz, R.Neugart, G.Neyens, J.Papuga, P.-G.Reinhard, M.M.Rajabali, S.Schmidt, D.T.Yordanov

From Calcium to Cadmium: Testing the Pairing Functional through Charge Radii Measurements of 100-130Cd

NUCLEAR MOMENTS 100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130Cd; measured frequencies; deduced differences in mean-square nuclear charge radii, isotope shifts. Comparison with density functional theory predictions.

doi: 10.1103/PhysRevLett.121.102501
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2018LY06      Phys.Rev. C 98, 054304 (2018)

N.Lyutorovich, V.Tselyaev, J.Speth, P.-G.Reinhard

Excitation spectra of exotic nuclei in a self-consistent phonon-coupling model

NUCLEAR STRUCTURE 48,56,68,78Ni, 100,132,140,176Sn; calculated mean energies and widths of giant resonances: giant monopole (GMR), giant dipole (GDR), and giant quadrupole (GQR), low-lying electric dipole strength in pygmy dipole resonances (PDR), isoscalar E0, E1 and E2 strength functions, isoscalar photoabsorption σ, isovector E1 strength function of 56Ni, isovector photoabsorption σ of 56,68Ni and 100,140Sn, and dependence of photoabsorption σ on single-particle basis size using random phase approximation (RPA) with and without self-consistent time-blocking approximation and Skyrme-Hartree-Fock nuclear force. Comparison with experimental data.

doi: 10.1103/PhysRevC.98.054304
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2018NE05      Phys.Rev.Lett. 120, 182501 (2018)

V.O.Nesterenko, A.Repko, J.Kvasil, P.-G.Reinhard

Individual Low-Energy Toroidal Dipole State in 24Mg

NUCLEAR STRUCTURE 24Mg; calculated toroidal and compression B(E1), QRPA densities, low-energy dipole excitations within the Skyrme quasiparticle random phase approximation for axial nuclei. Comparison with available data.

doi: 10.1103/PhysRevLett.120.182501
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2018RE03      Eur.Phys.J. A 54, 13 (2018)


Nuclear density-functional theory and fission of super-heavy elements

RADIOACTIVITY Z=100-120(SF), (α), (β-), (β+); calculated fission barrier, T1/2, mass excess, neutron separation energy using different mean-field models and both relativistic and nonrelativistic models and nuclear matter parameterizations; deduced symmetry energy.

doi: 10.1140/epja/i2018-12421-x
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2018TH06      Phys.Rev. C 98, 064304 (2018)

G.Thiamova, Y.Grachev, M.Abolghasem, P.Alexa, P.-G.Reinhard, T.R.RodrIguez, G.S.Simpson

Macroscopic and microscopic description of low-energy collective states in 86, 88Se

NUCLEAR STRUCTURE 86,88Se; calculated levels, J, π, B(E2), potential energy curves (PEC), collective wave function contours in (β2, γ) plane using Algebraic collective model (ACM) with five-dimensional collective Hamiltonian, and symmetry conserving configuration mixing (SCCM) method with Gogny energy density functionals (EDF). Comparison with experimental data. 74,76,78,80,82,84,86,88,90,92,94,96,98,100Se; calculated energies of the first 2+ states, triaxiality, deformation β2, oblate and prolate potential energy curve minima using Skyrme-Hartree-Fock model (SHF) with two parametrizations SVbas and sym34. 82,84,86Ge, 84,86,88Se, 86,88,90,92,94Kr, 88,90,92,94,96Sr; compiled systematics of experimental energies of the first 2+ states, E(first 4+)/E(first 2+) and E(second 2+)/E(first 2+) ratios.

doi: 10.1103/PhysRevC.98.064304
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2018TS02      Phys.Rev. C 97, 044308 (2018)

V.Tselyaev, N.Lyutorovich, J.Speth, P.-G.Reinhard

Self-consistency in the phonon space of the particle-phonon coupling model

NUCLEAR STRUCTURE 16O, 40Ca, 208Pb; calculated energies and B(E3) of first 3- states, mean energies and σ of giant dipole resonance (GDR). Particle-phonon coupling model with non-linear form of time blocking approximation (TBA), called as configuration blocking approximation (CBA). Comparison with experimental data, and with standard TBA approximation.

doi: 10.1103/PhysRevC.97.044308
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2017RE06      Phys.Rev. C 95, 064328 (2017)

P.-G.Reinhard, W.Nazarewicz

Toward a global description of nuclear charge radii: Exploring the Fayans energy density functional

NUCLEAR STRUCTURE 40,41,42,43,44,45,46,47,48,49,50,51,52Ca; calculated charge radii, binding energies, odd-even staggering, charge form factors. 44Ca, 64Ni, 124Sn, 204,212Pb, 214U; calculated binding energy difference, mean values and variances of three-point neutron differences, neutron pairing densities. Nuclear density functional theory using Fayans energy density functional in FaNDF0 form, and Skyrme energy density functionals.

doi: 10.1103/PhysRevC.95.064328
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2017RE11      Eur.Phys.J. A 53, 221 (2017)

A.Repko, J.Kvasil, V.O.Nesterenko, P.-G.Reinhard

Pairing and deformation effects in nuclear excitation spectra

NUCLEAR STRUCTURE 152,154,156Sm; calculated γ-vibrational states energy, J, π, B(E2), QRPA transitional densities, deformation, photoabsorption σ vs E, compression isoscalar γ E1 strength (ISGDR) using QRPA with mean field treated within HF+BCS. Compared with available data.

doi: 10.1140/epja/i2017-12406-3
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2017SC14      Phys.Rev. C 96, 024306 (2017)

B.Schuetrumpf, W.Nazarewicz, P.-G.Reinhard

Central depression in nucleonic densities: Trend analysis in the nuclear density functional theory approach

NUCLEAR STRUCTURE 34Si, 48Ca, 208Pb, 294,302,326Og, 472164; N=82, 126, 184 isotonic chains; calculated proton and neutron densities, central proton depressions and central densities, multiple correlation coefficients. Bubble structures in superheavy nuclei. Nuclear density functional theory with Skyrme functionals, and statistical tools of linear least square regression for correlations between various measures of central depression and model parameters.

doi: 10.1103/PhysRevC.96.024306
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2017TS06      Phys.Rev. C 96, 024312 (2017)

V.Tselyaev, N.Lyutorovich, J.Speth, P.-G.Reinhard

Optimizing phonon space in the phonon-coupling model

NUCLEAR STRUCTURE 16O, 40,48Ca, 56Ni, 132Sn, 208Pb; calculated mean energies of giant resonances (GRs), energies, B(E2) and B(E3) values of low-lying 2+ and 3- states. Phonon-coupling model using the time-blocking approximation (TBA) code with three different Skyrme parametrizations. Comparison with experimental data.

doi: 10.1103/PhysRevC.96.024312
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2016KV01      Phys.Rev. C 94, 064302 (2016)

J.Kvasil, V.O.Nesterenko, A.Repko, W.Kleinig, P.-G.Reinhard

Deformation-induced splitting of the isoscalar E0 giant resonance: Skyrme random-phase-approximation analysis

NUCLEAR STRUCTURE 142,146,150Nd, 154Sm, 106,108,110,112,114,116Cd, 164Dy, 168Er, 172Yb, 238U, 242,254,270No, 264,284,304Fl; calculated strengths and other features of isoscalar giant monopole resonance (ISGMR) in deformed nuclei using Skyrme quasiparticle random-phase approximation (QRPA). Systematics for medium, rare-earth, actinide and superheavy nuclides. Comparison with available experimental data.

doi: 10.1103/PhysRevC.94.064302
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2016MI27      Phys.Rev.Lett. 117, 252501 (2016)

K.Minamisono, D.M.Rossi, R.Beerwerth, S.Fritzsche, D.Garand, A.Klose, Y.Liu, B.Maass, P.F.Mantica, A.J.Miller, P.Muller, W.Nazarewicz, W.Nortershauser, E.Olsen, M.R.Pearson, P.-G.Reinhard, E.E.Saperstein, C.Sumithrarachchi, S.V.Tolokonnikov

Charge Radii of Neutron Deficient 52, 53Fe Produced by Projectile Fragmentation

NUCLEAR MOMENTS 52,53,56Fe; measured hyperfine spectra; deduced differential mean-square charge radii. Bunched-beam collinear laser spectroscopy, comparison with the nuclear density functional theory with Fayans and Skyrme energy density functionals calculations.

doi: 10.1103/PhysRevLett.117.252501
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2016NE06      Phys.Rev. C 93, 034301 (2016)

V.O.Nesterenko, V.G.Kartavenko, W.Kleinig, J.Kvasil, A.Repko, R.V.Jolos, P.-G.Reinhard

Skyrme random-phase-approximation description of lowest Kπ = 2+γ states in axially deformed nuclei

NUCLEAR STRUCTURE 150,152Nd, 152,154,156Sm, 154,156,158,160Gd, 158,160,162,164,166Dy, 162,164,166,168,170Er, 168,170,172,174,176Yb, 168,170,172,174,176,178,180Hf, 178,180,182,184,186W, 232,234,236,238U; calculated energies and B(E2) of the lowest quadrupole γ-vibrational Kπ=2+ states in axially deformed rare-earth and uranium even-even nuclei. 152Nd, 164Dy, 172Yb, 238U; calculated isoscalar strength function for the ISGQR. Separable random-phase-approximation (SRPA) method based on the Skyrme functional with the Skyrme forces SV-bas and SkM*, and corrected by using pairing blocking effect. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.034301
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2016PA04      Phys.Rev. C 93, 014318 (2016)

H.Pai, T.Beck, J.Beller, R.Beyer, M.Bhike, V.Derya, U.Gayer, J.Isaak, Krishichayan, J.Kvasil, B.Loher, V.O.Nesterenko, N.Pietralla, G.Martinez-Pinedo, L.Mertes, V.Yu.Ponomarev, P.-G.Reinhard, A.Repko, P.C.Ries, C.Romig, D.Savran, R.Schwengner, W.Tornow, V.Werner, J.Wilhelmy, A.Zilges, M.Zweidinger

Magnetic dipole excitations of 50Cr

NUCLEAR REACTIONS 50Cr(γ, γ'), (polarized γ, γ'), E<9.7 MeV bremsstrahlung; measured Eγ, Iγ, γ(θ), γ-polarization asymmetry, integrated σ, γ-branching ratios. Experiments performed at Darmstadt S-DALINAC and TUNL High Intensity γ-ray Source (HIγS) facilities. 50Cr; deduced levels, J, π, B(M1), reduced widths, configurations, M1 spin-flip transition. Discussed isovector rotation-like oscillations of 1+ states versus scissors-type mode. Comparison with Skyrme quasiparticle random-phase-approximation (QRPA) and the large-scale shell model (LSSM) calculations.

doi: 10.1103/PhysRevC.93.014318
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2016RE07      Phys.Rev. C 93, 044618 (2016)

P.-G.Reinhard, A.S.Umar, P.D.Stevenson, J.Piekarewicz, V.E.Oberacker, J.A.Maruhn

Sensitivity of the fusion cross section to the density dependence of the symmetry energy

NUCLEAR REACTIONS 48Ca(48Ca, X)96Zr*, E(cm)=45-65 MeV; calculated folding model ion-ion interaction potentials, fusion σ(E). Impact of nuclear fusion on the nuclear equation of state (EOS). 48Ca; calculated Neutron root-mean-square radius (rms), neutron diffraction radius, and neutron halo. Dynamic microscopic method based on density-constrained time-dependent Hartree-Fock (DC-TDHF) approach, and direct TDHF study of barrier cross sections using a family of Skyrme parametrization.

doi: 10.1103/PhysRevC.93.044618
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2016RE09      Phys.Rev. C 93, 051303 (2016)

P.-G.Reinhard, W.Nazarewicz

Nuclear charge and neutron radii and nuclear matter: Trend analysis in Skyrme density-functional-theory approach

NUCLEAR STRUCTURE 48Ca, 208Pb, 298Fl; calculated proton and neutron rms radii, variance ellipsoids in the (rcharge, rneutron) plane, averages and variances of radii, neutron skins, uncertainties in the predictions of rms neutron and charge radii, neutron skins, and surface thicknesses for different energy density functional (EDF) fits. Nuclear density functional theory using a family of Skyrme functionals.

doi: 10.1103/PhysRevC.93.051303
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2016SC07      Phys.Rev. C 93, 054304 (2016)

B.Schuetrumpf, W.Nazarewicz, P.-G.Reinhard

Time-dependent density functional theory with twist-averaged boundary conditions

NUCLEAR STRUCTURE 16O; calculated small- and large-amplitude isovector E1 and isoscalar E2 strengths and power spectra, quadrupole moment, angular-averaged density distribution for isoscalar E2. Comparison to periodic (PBC), absorbing (ABC), and twist-averaged absorbing boundary conditions (TABC). Skyrme time-dependent density functional theory in three-dimensional (3D) coordinate-space representation.

doi: 10.1103/PhysRevC.93.054304
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2016ST07      Phys.Rev.Lett. 116, 092501 (2016)

J.R.Stone, P.A.M.Guichon, P.G.Reinhard, A.W.Thomas

Finite Nuclei in the Quark-Meson Coupling Model

NUCLEAR STRUCTURE 270Db, 264,255Hs, 260,262Sg, 256,258Rf, 254,256No, 246,248,250,252,254,256Fm; calculated ground-state binding energies, deformation parameters. Effective quark-meson coupling (QMC) energy density functional (EDF), comparison with available data.

doi: 10.1103/PhysRevLett.116.092501
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2016ST19      Phys.Rev. C 94, 035802 (2016)

M.Stein, J.Maruhn, A.Sedrakian, P.-G.Reinhard

Carbon-oxygen-neon mass nuclei in superstrong magnetic fields

NUCLEAR STRUCTURE 12C, 16O, 20Ne; calculated proton and neutron energy levels, ratio of the spin density to the particle density by Hartree-Fock equations on a three-dimensional grid in a strong magnetic field in strong magnetic, and using an extension of the SKY3D code.

doi: 10.1103/PhysRevC.94.035802
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2016TS01      Phys.Rev. C 94, 034306 (2016)

V.Tselyaev, N.Lyutorovich, J.Speth, S.Krewald, P.-G.Reinhard

Application of an extended random-phase approximation to giant resonances in light-, medium-, and heavy-mass nuclei

NUCLEAR REACTIONS 16O, 40,48Ca, 132Sn, 208Pb(γ, X), E*=0-40 MeV; calculated photoabsorption cross sections, fractions of EWSR, energies, widths and other characteristics of giant-monopole resonances (GMR), giant-dipole resonances (GDR), and giant-quadrupole resonances (GQR) using extended random phase approximation (RPA) with time-blocking approximation (TBA). Comparison with experimental data.

doi: 10.1103/PhysRevC.94.034306
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2015BA54      Nucl.Phys. A944, 442 (2015)

A.Baran, M.Kowal, P.-G.Reinhard, L.M.Robledo, A.Staszczak, M.Warda

Fission barriers and probabilities of spontaneous fission for elements with Z ≥ 100

NUCLEAR STRUCTURE 258Fm, 262No, 266Rf, 270Sg, 274Hs, 278Ds, 282Cn, 286Fl, 290,292,294,296,298,300,302,304Lv; calculated fission barriers vs quadrupole moment; revised previous paper by different quadrupole moment definition. 266Hs; calculated fission barriers vs quadrupole moment using MM model, Skyrme HFB approach, Gogny HF model.

doi: 10.1016/j.nuclphysa.2015.06.002
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2015ER02      J.Phys.(London) G42, 034026 (2015)

J.Erler, P.-G.Reinhard

Error estimates for the Skyrme-Hartree-Fock model

NUCLEAR STRUCTURE 208Pb, 266Hs; calculated binding energies, charge rms radii and formfactor, two-neutron separation energies and their uncertainties.

doi: 10.1088/0954-3899/42/3/034026
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2015HA21      Phys.Rev. C 92, 031305 (2015)

T.Hashimoto, A.M.Krumbholz, P.-G.Reinhard, A.Tamii, P.von Neumann-Cosel, T.Adachi, N.Aoi, C.A.Bertulani, H.Fujita, Y.Fujita, E.Ganioglu, K.Hatanaka, E.Ideguchi, C.Iwamoto, T.Kawabata, N.T.Khai, A.Krugmann, D.Martin, H.Matsubara, K.Miki, R.Neveling, H.Okamura, H.J.Ong, I.Poltoratska, V.Yu.Ponomarev, A.Richter, H.Sakaguchi, Y.Shimbara, Y.Shimizu, J.Simonis, F.D.Smit, G.Susoy, T.Suzuki, J.H.Thies, M.Yosoi, J.Zenihiro

Dipole polarizability of 120Sn and nuclear energy density functionals

NUCLEAR REACTIONS 120Sn(polarized p, p'), E=295 MeV; measured scattered proton spectra, p(θ) using Grand Raiden spectrometer at RCNP-Osaka; analyzed polarization transfer observables; deduced ISGQR excitation, B(E1), precise electric dipole polarizability αD, nuclear symmetry energy and its density dependence. Comparison with other experimental data. Comparison with model calculations based on Skyrme interactions and on relativistic Hamiltonians.

doi: 10.1103/PhysRevC.92.031305
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2015KV01      Phys.Scr. 90, 114007 (2015)

J.Kvasil, D.Bozik, A.Repko, P.-G.Reinhard, V.O.Nesterenko, W.Kleinig

Monopole giant resonance in 100-132Sn, 144Sm and 208Pb

NUCLEAR STRUCTURE 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132Sn, 144Sm, 208Pb; calculated giant monopole resonance (GMR) strength functions. Comparison with available data.

doi: 10.1088/0031-8949/90/11/114007
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2015SC04      Phys.Rev. C 91, 025801 (2015)

B.Schuetrumpf, M.A.Klatt, K.Iida, G.E.Schroder-Turk, J.A.Maruhn, K.Mecke, P.-G.Reinhard

Appearance of the single gyroid network phase in "nuclear pasta" matter

doi: 10.1103/PhysRevC.91.025801
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2015UM03      Phys.Rev. C 92, 025808 (2015)

A.S.Umar, V.E.Oberacker, C.J.Horowitz, P.-G.Reinhard, J.A.Maruhn

Swelling of nuclei embedded in neutron-gas and consequences for fusion

NUCLEAR REACTIONS 28O(28O, X), E(cm)=2-14 MeV; 60Ca(60Ca, X), E(cm)=34-58 MeV; calculated pycnonuclear fusion cross sections and Astrophysical S factor as a function of external neutron-gas density, up to 500 neutrons for 28O and 1040 for 60Ca using Sao Paulo potential and incoming wave boundary condition (IWBC) method. Relevance to study of fusion of neutron rich nuclei at radioactive ion beam facilities, and to the study of composition and heating of the crust of accreting neutron stars.

doi: 10.1103/PhysRevC.92.025808
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2014KO13      Phys.Rev. C 89, 054314 (2014)

M.Kortelainen, J.McDonnell, W.Nazarewicz, E.Olsen, P.-G.Reinhard, J.Sarich, N.Schunck, S.M.Wild, D.Davesne, J.Erler, A.Pastore

Nuclear energy density optimization: Shell structure

NUCLEAR STRUCTURE 48Ca, 208Pb; calculated neutron and proton single-particle levels, B(E1) strengths. Z=10-105, N=10-160; calculated binding energies, S(2p), S(2n) for even-even nuclei; deduced deviations from experimental data. 226,228Ra, 228,230,232,234Th, 232,234,236,238,240U, 236,238,240,242,244,246Pu, 242,244,246,248,250Cm, 250,252Cf; calculated inner fission barrier residuals, fission isomer excitation energies, outer fission barriers. Skyrme Hartree-Fock-Bogoliubov theory with POUNDERS optimization algorithm and a new parametrization UNEDF2 of the energy density functional. Comparison with other energy density functionals (UNEDF) parametrizations, and with experimental data.

doi: 10.1103/PhysRevC.89.054314
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2014KV01      Phys.Scr. 89, 054023 (2014)

J.Kvasil, V.O.Nesterenko, W.Kleinig, P.-G.Reinhard

Deformation effects in toroidal and compression dipole excitations of 170Yb: Skyrme RPA analysis

NUCLEAR REACTIONS 170Yb(γ, X), E<40 MeV; calculated photoabsorption σ, strength functions; deduced effects of nuclear axial quadrupole deformation on the isoscalar dipole compression and toroidal modes. Skyrme energy-density functional.

doi: 10.1088/0031-8949/89/5/054023
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2014NA06      Eur.Phys.J. A 50, 20 (2014)

W.Nazarewicz, P.-G.Reinhard, W.Satula, D.Vretenar

Symmetry energy in nuclear density functional theory

NUCLEAR STRUCTURE 168Er; calculated δVpn vs symmetry energy. 208Pb; calculated giant resonance energy vs symmetry energy. 266Hs; calculated surface energy, fission barrier. DFT (density functional theory). Compared to data. 32S; calculated 1+ states energy using SHF-SkV (Skyrme HF) and RMF. Compared to available data.

doi: 10.1140/epja/i2014-14020-3
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2014RE02      Phys.Rev. C 89, 024321 (2014)

P.-G.Reinhard, V.O.Nesterenko, A.Repko, J.Kvasil

Nuclear vorticity in isoscalar E1 modes: Skyrme-random-phase approximation analysis

NUCLEAR STRUCTURE 208Pb; calculated E1 strength functions, transition densities, E1 current and velocity fields, form factors for isoscalar 1- states in toroidal and compression modes using Skyrme SLy6 random phase approximation (RPA) model; analyzed nuclear vorticity (hydrodynamical and Rawenthall-Wambach).

doi: 10.1103/PhysRevC.89.024321
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2014SC25      Phys.Rev. C 90, 055802 (2014)

B.Schuetrumpf, K.Iida, J.A.Maruhn, P.-G.Reinhard

Nuclear ``pasta matter" for different proton fractions

doi: 10.1103/PhysRevC.90.055802
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2014SP02      Nucl.Phys. A928, 17 (2014)

J.Speth, S.Krewald, F.Grummer, P.-G.Reinhard, N.Lyutorovich, V.Tselyaev

Landau-Migdal vs. Skyrme

NUCLEAR STRUCTURE 208Pb; calculated E0, E1, E2 excitation γ strength functions using RPA with approximation for Landau-Migdal interaction and usin g full Skyrme interaction.

doi: 10.1016/j.nuclphysa.2014.03.023
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2013ER04      Phys.Rev. C 87, 044320 (2013)

J.Erler, C.J.Horowitz, W.Nazarewicz, M.Rafalski, P.-G.Reinhard

Energy density functional for nuclei and neutron stars

NUCLEAR STRUCTURE 208Pb; calculated neutron skin radius, electric dipole polarizability, mass-radius relations, correlation of nuclear matter properties with neutron star mass. Z=100, N=140-260; calculated S2n of even-even nuclei. Z=4-120, N=4-300; calculated two neutron and two proton drip lines. Self-consistent nuclear density functional theory (DFT) with Skyrme energy density functionals and covariance analysis.

doi: 10.1103/PhysRevC.87.044320
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2013KL03      J.Phys.:Conf.Ser. 445, 012036 (2013)

M.A.Klatt, T.Ichikawa, K.Iida, N.Itagaki, J.A.Maruhn, K.Matsuyanagi, K.Mecke, S.Ohkubo, P.-G.Reinhard, B.Schuetrumpf

Exotic cluster structures in the mean-field theory

NUCLEAR STRUCTURE 16O, 40Ca; calculated deformation, exotic shapes using Skyrme Hartree-Fock, TDHF.

doi: 10.1088/1742-6596/445/1/012036
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2013KV01      Phys.Scr. T154, 014019 (2013)

J.Kvasil, A.Repko, V.O.Nesterenko, W.Kleinig, P.-G.Reinhard, N.Lo Iudice

Toroidal, compression and vortical dipole strengths in 124Sn

NUCLEAR STRUCTURE 100,124,132Sn; calculated toroidal, vortical and compression dipole strength functions. Self-consistent separable Skyrme-RPA approach.

doi: 10.1088/0031-8949/2013/T154/014019
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2013KV02      Eur.Phys.J. A 49, 119 (2013)

J.Kvasil, V.O.Nesterenko, W.Kleinig, D.Bozik, P.-G.Reinhard, N.Lo Iudice

Toroidal, compression, and vortical dipole strengths in 144-154Sm: Skyrme-RPA exploration of the deformation effect

NUCLEAR STRUCTURE 144,148,150,152,154Sm; calculated dipole strength using RPA with different Skyrme forces and HF/BCS, binding energy, Q, photoabsorption σ vs energy. Compared with available data.

doi: 10.1140/epja/i2013-13119-3
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2013RE02      Phys.Rev. C 87, 014324 (2013)

P.-G.Reinhard, W.Nazarewicz

Information content of the low-energy electric dipole strength: Correlation analysis

NUCLEAR STRUCTURE 132Sn, 208Pb; calculated isovector and isoscalar low-energy E1 strengths and transition densities using self-consistent nuclear density functional theory with Skyrme energy density functionals and RPA; deduced collectivity of low-energy E1 transitions and their relevance to isovector nuclear matter properties (NMPs), strong fragmentation into individual particle-hole excitations, no evidence for collective pygmy dipole resonance.

doi: 10.1103/PhysRevC.87.014324
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2013RE03      Phys.Rev. C 87, 024305 (2013)

A.Repko, P.-G.Reinhard, V.O.Nesterenko, J.Kvasil

Toroidal nature of the low-energy E1 mode

NUCLEAR STRUCTURE 208Pb; calculated isoscalar and isovector low-energy E1 strength function S(E), summed current transition densities (CTD), proton and neutron transition densities (TD) for pygmy dipole resonance (PDR). Toroidal T=0 resonance. Fully self-consistent Skyrme-random-phase approximation (RPA) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.024305
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2013RE12      Phys.Rev. C 88, 034325 (2013)

P.-G.Reinhard, J.Piekarewicz, W.Nazarewicz, B.K.Agrawal, N.Paar, X.Roca-Maza

Information content of the weak-charge form factor

NUCLEAR STRUCTURE 48Ca, 132Sn, 208Pb; calculated neutron rms radius, neutron skin, weak charge form factor, electric dipole polarizability. Statistical covariance analysis. Impact of proposed PREX-II and CREX measurements on constraining the isovector sector of the nuclear EDF. Nuclear density functional theory with nonrelativistic Skyrme-Hartree-Fock (SHF), relativistic mean-field (RMF), and relativistic density dependent meson-nucleon couplings (DDME) models.

doi: 10.1103/PhysRevC.88.034325
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2013SC09      Phys.Rev. C 87, 055805 (2013)

B.Schuetrumpf, M.A.Klatt, K.Iida, J.A.Maruhn, K.Mecke, P.-G.Reinhard

Time-dependent Hartree-Fock approach to nuclear "pasta" at finite temperature

doi: 10.1103/PhysRevC.87.055805
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2012AG13      Nucl.Phys. A882, 1 (2012)

B.K.Agrawal, A.Sulaksono, P.-G.Reinhard

Optimization of relativistic mean field model for finite nuclei to neutron star matter

doi: 10.1016/j.nuclphysa.2012.03.004
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2012ER01      Phys.Rev. C 85, 025802 (2012)

J.Erler, K.Langanke, H.P.Loens, G.Martinez-Pinedo, P.-G.Reinhard

Fission properties for r-process nuclei

NUCLEAR STRUCTURE 250,252,254,256,258No, 254,256,258,260Rf, 258,260,262,264,266Sg, 264,266Hs, 284Cn, 288Fl; calculated half-lives and fission barriers with three different Skyrme parameterizations. Comparison with experimental data. Z=82-120, N=120-260; calculated fission barriers of even-even nuclei for four different Skyrme parameterizations and four theoretical mass models HFB-14, ETFSI, FRDM, and TF. Z=100-120, N=120-260; calculated fission half-lives for even-even nuclei using the Skyrme parameterizations, minimal lifetime plots for competing α decay and spontaneous fission. Comparison with experimental data. Z=84-120, N=120-260; calculated α-decay half-lives using the Q(α) values and the semi empirical Viola-Seaborg formula. Z=96-108, N=180-206; calculated difference of ground state energies and fission barriers between reflection symmetric and asymmetric configurations with the Skyrme parameterization, comparison of symmetric and asymmetric fission barriers and half-lives. 286,294Rf; calculated PES for symmetric and asymmetric shapes with the Skyrme parameterization.

doi: 10.1103/PhysRevC.85.025802
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2012IC04      Phys.Rev.Lett. 109, 232503 (2012)

T.Ichikawa, J.A.Maruhn, N.Itagaki, K.Matsuyanagi, P.-G.Reinhard, S.Ohkubo

Existence of an Exotic Torus Configuration in High-Spin Excited States of 40Ca

NUCLEAR STRUCTURE 40Ca; calculated high-spin states, J, π, neutron single-particle energies; deduced stable state with thorus configuration. Skyrme Hartree-Fock method, comparison with available data.

doi: 10.1103/PhysRevLett.109.232503
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2012KO06      Phys.Rev. C 85, 024304 (2012)

M.Kortelainen, J.McDonnell, W.Nazarewicz, P.-G.Reinhard, J.Sarich, N.Schunck, M.V.Stoitsov, S.M.Wild

Nuclear energy density optimization: Large deformations

NUCLEAR STRUCTURE 236,238U, 240Pu, 242Cm; calculated energies of fission isomers in UNEDF1 optimization. 192,194Hg, 192,194,196Pb; calculated energies of bandheads in superdeformed nuclei. 208Pb; calculated single particle energies. 236,238U, 238,240,242,244Pu, 242,244,246,248Cm; calculated inner barrier heights, outer barrier heights. N=14-156, Z=10-104; deduced rms deviations from experimental values for binding energy, S(2n), S(2p), three-point odd-even mass difference, rms proton radii for even-even nuclei. Hartree-Fock-Bogoliubov theory, POUNDerS optimization algorithm, UNEDF0 and UNEDF1 parameterizations. Neutron drops. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.024304
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2012KV01      Int.J.Mod.Phys. E21, 1250041 (2012)

J.Kvasil, A.Repko, V.O.Nesterenko, W.Kleinig, P.-G.Reinhard

E1 strength in light nuclei: Skyrme RPA analysis

NUCLEAR REACTIONS 48Ca, 50Ti, 52Cr, 54Fe(γ, X), E<30 MeV; calculated photoabsorption σ, giant dipole resonance. SRPA approach based on the Skyrme functional, comparison with available data.

doi: 10.1142/S0218301312500413
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2012LO10      Phys.Rev. C 86, 024608 (2012)

N.Loebl, A.S.Umar, J.A.Maruhn, P.-G.Reinhard, P.D.Stevenson, V.E.Oberacker

Single-particle dissipation in a time-dependent Hartree-Fock approach studied from a phase-space perspective

NUCLEAR REACTIONS 40Ca(40Ca, X), E(cm)=160, 200, 240 MeV; calculated β and γ deformation parameter, quadrupole moment, and volume phase-space global observables in momentum and coordinate space using the time-dependent Hartree-Fock (TDHF) theory and the Wigner distribution function in the full six-dimensional phase space. Significance of extra time-odd terms.

doi: 10.1103/PhysRevC.86.024608
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2012LY02      Phys.Rev.Lett. 109, 092502 (2012)

N.Lyutorovich, V.I.Tselyaev, J.Speth, S.Krewald, F.Grummer, P.-G.Reinhard

Self-Consistent Calculations of the Electric Giant Dipole Resonances in Light and Heavy Nuclei

NUCLEAR REACTIONS 16O, 40Ca, 208Pb(γ, X), E<40 MeV; calculated σ, electric giant dipole resonances. Skyrme interaction, comparison with available data.

doi: 10.1103/PhysRevLett.109.092502
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2012OB02      Phys.Rev. C 85, 034609 (2012)

V.E.Oberacker, A.S.Umar, J.A.Maruhn, P.-G.Reinhard

Dynamic microscopic study of pre-equilibrium giant resonance excitation and fusion in the reactions 132Sn + 48Ca and 124Sn + 40Ca

NUCLEAR REACTIONS 132Sn(48Ca, X), 124Sn(40Ca, X), E(cm)=130 MeV; calculated time evolution of isoscalar quadrupole moment, deformation parameter and rms charge radius, isovector quadrupole moment, dipole amplitude, neutron leakage, pre-equilibrium dipole radiation spectrum, total fusion cross sections, heavy-ion potential, microscopic mass parameter. Pre-equilibrium Giant dipole resonance (GDR) excitation. Density-constrained time-dependent Hartree-Fock (TDHF) method. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.034609
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2012PE14      Eur.Phys.J. A 48, 122 (2012)

I.Petermann, K.Langanke, G.Martinez-Pinedo, I.V.Panov, P.-G.Reinhard, F.-K.Thielemann

Have superheavy elements been produced in nature?

NUCLEAR STRUCTURE Z=84-120; calculated fission barrier, neutron Q-value using ETF (extended Thomas-Fermi) and FRDM (finite-range droplet model).

NUCLEAR REACTIONS Z=56-110(n, γ), E=low; calculated r-process yields using barriers from ETF and FRDM.

doi: 10.1140/epja/i2012-12122-6
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2012PI06      Phys.Rev. C 85, 041302 (2012)

J.Piekarewicz, B.K.Agrawal, G.Colo, W.Nazarewicz, N.Paar, P.-G.Reinhard, X.Roca-Maza, D.Vretenar

Electric dipole polarizability and the neutron skin

NUCLEAR STRUCTURE 208Pb, 132Sn, 48Ca; analyzed correlation between neutron-skin thickness and electric dipole polarizability using ensemble of 48 nuclear energy density functionals. NL3/FSU, DD-ME, and Skyrme-SV models. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.041302
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2012UM01      Phys.Rev. C 85, 017602 (2012)

A.S.Umar, V.E.Oberacker, J.A.Maruhn, P.-G.Reinhard

Microscopic composition of ion-ion interaction potentials

NUCLEAR REACTIONS 16O(16O, X), (24O, X), E(cm)=12 MeV; 40Ca(40Ca, X), E(cm)=55 MeV; 132Sn(48Ca, X), E(cm)=120 MeV; calculated ion-ion interaction potentials for head-on collisions using TDHF approach for the time evolution of the nuclear collision.

doi: 10.1103/PhysRevC.85.017602
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2011KV01      Int.J.Mod.Phys. E20, 281 (2011)

J.Kvasil, V.O.Nesterenko, W.Kleinig, D.Bozik, P.-G.Reinhard

Skyrme-Hartree-Fock description of the dipole strength in neutron-rich tin isotopes

NUCLEAR STRUCTURE 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166Sn; analyzed low-energy E1 strengths, neutron and proton quadrupole deformations.

doi: 10.1142/S0218301311017636
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2011KV02      Phys.Rev. C 84, 034303 (2011)

J.Kvasil, V.O.Nesterenko, W.Kleinig, P.-G.Reinhard, P.Vesely

General treatment of vortical, toroidal, and compression modes

NUCLEAR STRUCTURE 208Pb; calculated isoscalar and isovector vortical, toroidal, and compression 1- dipole resonances. Density functional theory with Skyrme force SLy6. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.034303
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2011LO18      Phys.Rev. C 84, 034608 (2011)

N.Loebl, J.A.Maruhn, P.-G.Reinhard

Equilibration in the time-dependent Hartree-Fock approach probed with the Wigner distribution function

NUCLEAR REACTIONS 16O(16O, X), E(cm)=100 MeV; 96Zr(132Sn, X), E(cm)=250 MeV; calculated Wigner and Husimi distribution contours, 2-dimensional momentum distributions, global eccentricity for central and non-central collisions. Time-dependent Hartree-Fock (TDHF) model.

doi: 10.1103/PhysRevC.84.034608
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2011RE05      Phys.Rev. C 83, 034312 (2011)

P.-G.Reinhard, J.A.Maruhn, A.S.Umar, V.E.Oberacker

Localization in light nuclei

NUCLEAR STRUCTURE 4He, 8Be, 12,20C, 16O, 20Ne, 24Mg, 28Si; calculated contours of proton localization and total density. Spatial localization of light nuclei within the Hartree-Fock approximation.

doi: 10.1103/PhysRevC.83.034312
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2011RE10      Int.J.Mod.Phys. E20, 1379 (2011)

P.G.Reinhard, B.K.Agrawal

Energy systematics of heavy nuclei-mean field models in comparison

NUCLEAR STRUCTURE 16O, 40,48Ca, 58Ni, 90Zr, 116,124,132Sn, 208,214Pb, 232Th, 248Cf, 264Hs; calculated binding energies. Relativistic mean-field and Skyrme-Hartree-Fock models.

doi: 10.1142/S0218301311018472
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2010ER05      Phys.Rev. C 82, 044307 (2010)

J.Erler, P.Klupfel, P.-G.Reinhard

Exploration of a modified density dependence in the Skyrme functional

NUCLEAR STRUCTURE A=10-250; calculated binding energies. 208Pb; calculated giant resonances (ISGQR, IVGDR, ISGMR). 264Hs, 300120; calculated binding energy and Q(α). A=258-288; calculated fission barriers. Skyrme-Hartree-Fock functionals. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.044307
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2010NE04      Int.J.Mod.Phys. E19, 558 (2010)

V.O.Nesterenko, J.Kvasil, P.Vesely, W.Kleinig, P.-G.Reinhard

Skyrme-random-phase-approximation description of spin-flip and orbital M1 giant resonances

NUCLEAR STRUCTURE 142,144,146,148,150,152Nd; calculated spin-flip and orbital M1 strength functions; deduced appearance of scissors mode. Self-consistent separable random-phase-approximation model (SRPA).

doi: 10.1142/S0218301310014972
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2010OB01      Phys.Rev. C 82, 034603 (2010)

V.E.Oberacker, A.S.Umar, J.A.Maruhn, P.-G.Reinhard

Microscopic study of the 132, 124Sn+96Zr reactions: Dynamic excitation energy, energy-dependent heavy-ion potential, and capture cross section

NUCLEAR REACTIONS 96Zr(124Sn, X), (132Sn, X), (134Sn, X), E(cm)=195-260 MeV; calculated mass density contour plots, potential barriers, intrinsic mass quadrupole moment, heavy ion potential barriers, precompound excitation energy, capture and inelastic cross sections using time-dependent Hartree-Fock (TDHF) and density-constrained time-dependent Hartree-Fock methods (DC-TDHF).

doi: 10.1103/PhysRevC.82.034603
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2010PO12      Eur.Phys.J. A 46, 299 (2010)

K.J.Pototzky, J.Erler, P.-G.Reinhard, V.O.Nesterenko

Properties of odd nuclei and the impact of time-odd mean fields: A systematic Skyrme-Hartree-Fock analysis

NUCLEAR STRUCTURE Z=16-92; calculated binding energies, neutron pairing gaps and separation energies for odd nuclei, 207Pb, 132,133Sn excitation neutron spectra. Skyrme-Hartree-Fock (SHF) method with BCS pairing.

doi: 10.1140/epja/i2010-11045-6
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2010RE04      Phys.Rev. C 81, 051303 (2010)

P.-G.Reinhard, W.Nazarewicz

Information content of a new observable: The case of the nuclear neutron skin

NUCLEAR STRUCTURE 208Pb; calculated neutron skins and radii, dipole polarizability and effective mass as function of neutron skin, extrapolation errors in neutron matter measurements using covariance analysis. Discussed correlation of observables such as E1 strength, GDR, PDR, GMR, GQR, etc. with the neutron skin.

doi: 10.1103/PhysRevC.81.051303
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2010UM02      Phys.Rev. C 81, 064607 (2010)

A.S.Umar, V.E.Oberacker, J.A.Maruhn, P.-G.Reinhard

Entrance channel dynamics of hot and cold fusion reactions leading to superheavy elements

NUCLEAR REACTIONS 208Pb(70Zn, X), E(cm)=260-350 MeV; 238U(48Ca, X), E(cm)=180-250 MeV; calculated potential barriers, excitation energies, and capture σ using fully microscopic time-dependent Hartree-Fock theory coupled with a density constraint. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.064607
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2009KL01      Phys.Rev. C 79, 034310 (2009)

P.Klupfel, P.-G.Reinhard, T.J.Burvenich, J.A.Maruhn

Variations on a theme by Skyrme: A systematic study of adjustments of model parameters

NUCLEAR STRUCTURE Z=20, 28, 50, 82, N=20, 28, 50, 82, 126; calculated correlation shifts of charge rms radii, diffraction radii, surface thicknesses, and correlation energies. 16O; calculated mean resonance frequency for GDR. 132Sn; calculated neutron level sequence. 208Pb; calculated mean resonance frequencies for GMR, GDR and GQR, neutron skin. Z=50, N=86-104; calculated uncertainties in binding energies and S(2n). Z=82, N=126-132; calculated isotope shifts. 236U; calculated fission barriers. 264Hs; calculated binding energy, Q(α). A=10-264; calculated errors in binding energies, rms radii and proton deformations. 302120; calculated total binding energy, fission barrier, Q(α). Skyrme-Hartree-Fock model. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.034310
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2009KV01      Int.J.Mod.Phys. E18, 975 (2009)

J.Kvasil, P.Vesely, V.O.Nesterenko, W.Kleinig, P.-G.Reinhard, S.Frauendorf

Skyrme-random-phase-approximation description of E1 strength in 92-100Mo

NUCLEAR STRUCTURE 92,94,96,98,100Mo; calculated mass excess using Skyrme forces.

NUCLEAR REACTIONS 92,98,100Mo(γ, γ'), (γ, p), (γ, xn), E=5-30 MeV; calculated σ using self-consistent RPA with Skyrme forces. Compared to data.

doi: 10.1142/S0218301309013129
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2009SC14      Int.J.Mod.Phys. E18, 773 (2009)

N.Schindzielorz, J.Erler, P.Klupfel, P.-G.Reinhard, G.Hager

Fission of super-heavy nuclei explored with Skyrme forces

NUCLEAR STRUCTURE Z=104-123; calculated fission barriers using Skyrme-Hartree-Fock model.

RADIOACTIVITY Z=104-123(SF); calculated T1/2 using Skyrme forces and WKB approximation. Compared to available data.

doi: 10.1142/S0218301309012860
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2009SU06      Phys.Rev. C 79, 044306 (2009)

A.Sulaksono, T.J.Burvenich, P.-G.Reinhard, J.A.Maruhn

Criteria for nonlinear parameters of relativistic mean field models

doi: 10.1103/PhysRevC.79.044306
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