NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = G.Ropke Found 117 matches. Showing 1 to 100. [Next]2024BL01 Eur.Phys.J. A 60, 14 (2024) D.Blaschke, M.Cierniak, O.Ivanytskyi, G.Ropke Thermodynamics of quark matter with multiquark clusters in an effective Beth-Uhlenbeck type approach
doi: 10.1140/epja/s10050-023-01229-8
2023NA04 Phys.Rev. C 107, 014618 (2023) Employing ternary fission of 242Pu as a probe of very neutron-rich matter NUCLEAR REACTIONS 241Pu(n, F), E=thermal; calculated light isotope yields in ternary fission process (n, 1,2,3,4H, 3,4,5,6,7,8,9He, 6,7,8,9,10,11,12Li, 7,8,9,10,11,12,13,14,15Be, 10,11,12,13,14,15,16,17,18B, 13,14,15,16,17,18,19,20). Ternary fission yields modeled within a systematic quantum statistical approach and a generalized relativistic mean-field approach. Investigated the influence of medium effects on yields distributions - self-energy shifts and Pauli blocking. Comparison to experimental data.
doi: 10.1103/PhysRevC.107.014618
2022BL08 Eur.Phys.J. A 58, 236 (2022) D.Blaschke, H.Horiuchi, M.Kimura, G.Ropke, P.Schuck Topical collection on light clusters in nuclei and nuclear matter: nuclear structure and decay, heavy-ion collisions, and astrophysics
doi: 10.1140/epja/s10050-022-00867-8
2022DO09 Phys.Rev. C 106, 044908 (2022) B.Donigus, G.Ropke, D.Blaschke Deuteron yields from heavy-ion collisions at energies available at the CERN Large Hadron Collider: Continuum correlations and in-medium effects NUCLEAR REACTIONS Pb(Pb, X)2H/1H, T=√ sNN=2.76 TeV; calculated production yields for deuterons, antideutrons, protons and antiprotons. Quantum statistical approach. Comparison with ALICE (LHC) data.
doi: 10.1103/PhysRevC.106.044908
2022LE04 Eur.Phys.J. A 58, 58 (2022) S.Lei, S.Li, Q.Zhao, N.Wan, M.Lyu, Z.Ren, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, B.Zhou Investigating the proton-halo structure of 8B via the extended THSR wave function NUCLEAR STRUCTURE 8B; calculated standard deviation of the ground state Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function, contour maps of the energy surface, spatial matter density and valence density distribution, proton density distributions, rms radii and quadrupole moments; deduced proton halo structure in the ground state.
doi: 10.1140/epja/s10050-022-00705-x
2021LY02 Eur.Phys.J. A 57, 51 (2021) M.Lyu, Z.Ren, H.Horiuchi, B.Zhou, Y.Funaki, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Properties of 8-11Be sotopes with isospin-dependent spin-orbit potential in a cluster approach NUCLEAR STRUCTURE 8,9,10,11Be; calculated single nucleon wave functions, energy levels, J, π, one-neutron separation energies, root-mean-square radii and density distributions, spectroscopic factor. Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions.
doi: 10.1140/epja/s10050-021-00363-5
2021RO16 Phys.Rev. C 103, L061601 (2021) Nonequilibrium information entropy approach to ternary fission of actinides NUCLEAR REACTIONS 233,235U, 239,241Pu, 245Cm(n, F), E=thermal; calculated Lagrange parameters, primary yields of 1,2,3,4H, 3,4,5,6,7,8,9He, 6,7,8,9,10,11,12Li, 7,8,9,10,11,12,13,14,15Be, 10,11,12,13,14,15,16,17,18B, 14,15,16,17,18,19,20C from ternary fission using generalized Gibbs distribution within the nonequilibrium statistical operator method. Comparison with available experimental data. RADIOACTIVITY 248Cm, 252Cf(SF); calculated Lagrange parameters, primary yields of 1,2,3,4H, 3,4,5,6,7,8,9He, 6,7,8,9,10,11,12Li, 7,8,9,10,11,12,13,14,15Be, 10,11,12,13,14,15,16,17,18B, 14,15,16,17,18,19,20C from ternary fission using generalized Gibbs distribution within the nonequilibrium statistical operator method. Comparison with available experimental data.
doi: 10.1103/PhysRevC.103.L061601
2021YA26 Phys.Rev. C 104, 034302 (2021) α-cluster formation and decay: The role of shell structure NUCLEAR STRUCTURE 20Ne, 44Ti, 104Te, 212Po; calculated overlaps between the intrinsic wave functions of the quartet and the α-particle. 18O, 18,20Ne, 42Ca, 42,44Ti, 102Sn, 102,104Te, 210Pb, 210,212Po; calculated probabilities of finding the α-particle in the localized proton and neutron states. 212Po; calculated α-decay half-lives for different contributing shell model states, and compared to the experimental value. 213Po, 213,214At; calculated bound state wave functions and scattering wave functions for the α emitters in the two-potential approach, α-cluster formation probabilities and α-decay half-lives. Comparison with experimental half-lives. Calculations used quartetting wave function approach (QWFA) to investigate shell structure effects on α-cluster formation and decay.
doi: 10.1103/PhysRevC.104.034302
2020CU05 Eur.Phys.J. A 56, 295 (2020) T.Custodio, A.Falcao, H.Pais, C.Providencia, F.Gulminelli, G.Ropke Light clusters in warm stellar matter: calibrating the cluster couplings
doi: 10.1140/epja/s10050-020-00302-w
2020FI08 Phys.Rev. C 102, 055807 (2020) T.Fischer, S.Typel, G.Ropke, N.-U.F.Bastian, G.Martinez-Pinedo Medium modifications for light and heavy nuclear clusters in simulations of core collapse supernovae: Impact on equation of state and weak interactions NUCLEAR STRUCTURE 2,3,4H, 3,4,5He; calculated effective nuclear binding energies using generalized relativistic density-functional (gRDF) approach, including a shift due to Pauli blocking, and quantum statistical (QS) model. 1n, 1,2,3,4,5H, 3,4,5He; Z>2; calculated mass fractions as a function of the rest mass density and temperature, radial profiles of velocity, rest mass density, electron fraction, temperature and entropy per baryon, mass fractions, and the composition by the average A and Z as a function of the enclosed baryon mass and radius using the gRDF(DD2) model, and HS(DD2) modified NSE model, before and after core bounce of core collapse supernovae; developed a new equation of state (EOS) for infinite nuclear matter with the inclusion of an improved description of nuclear bound states with special emphasis on hydrogen and helium isotopes, including novel states of 4H, 5H and 5He. NUCLEAR REACTIONS 2H(ν, e-)pp, (ν-bar, e+)nn, (e-, ν)nn, (e+, ν-bar)pp; 3,4H(ν, e-)3He/4He; 3,4He(ν-bar, e+)3H/4H; derived expressions for medium-dependent charged current reaction rates, in fully inelastic kinematics for processes involving 2H, and in the elastic approximation for processes involving 3H/3He and 4H/4He; implemented new nuclear equation of state (EOS) and weak reaction rates involving light nuclei into supernova model; simulated core-collapse supernova post-bounce phase; analyzed subsequent supernova dynamics and neutrino emission. Investigated role of heavy nuclear clusters and weakly-bound light nuclear clusters for core collapse supernova studies.
doi: 10.1103/PhysRevC.102.055807
2020NA39 Phys.Rev. C 102, 064621 (2020) J.B.Natowitz, H.Pais, G.Ropke, J.Gauthier, K.Hagel, M.Barbui, R.Wada Isotopic equilibrium constants for very low-density and low-temperature nuclear matter NUCLEAR REACTIONS 241Pu(n, F)1n/1H/2H/3H/4H/3He/4He/5He/6He/7He/8He/9He/7Li/8Li/9Li/11Li/7Be/8Be/9Be/10Be/11Be/12Be/14Be/10B/11B/12B/14B/15B/17B/14C/15C/16C/17C/18C/19C/20C/15N/16N/17N/18N/19N/20N/21N/15O/19O/20O/21O/22O/24O/19F/20F/21F/22F/24F/24Ne/27Ne/24Na/27Na/28Na/30Na/27Mg/28Mg/30Mg/30Al/34Si/35Si/36Si, E=thermal; calculated equilibrium constants for light isotopes, relative yields of the H, He, and Be isotopes produced in the ternary fission of 242Pu. Comparison with available experimental data. Relativistic mean-field model, with a universal medium modification correction for the attractive σ meson coupling.
doi: 10.1103/PhysRevC.102.064621
2020RO08 Phys.Rev. C 101, 064310 (2020) Light p-shell nuclei with cluster structures (4 ≤ A ≤ 16) in nuclear matter NUCLEAR STRUCTURE 1,2,3,4H, 3,4,5He, 6,7Li, 7,8,9,10,11Be, 10,11B, 12,13,14C, 14,15N, 16O; calculated potential parameters and Pauli blocking shifts, in-medium neutron and proton scattering phase shifts, temperature-dependent shifts, Mott densities for warm dense matter using quantum statistical in-medium approach for light 1p-shell clusters in nuclear matter. Comparison with nuclear statistical equilibrium (NSE) calculations.
doi: 10.1103/PhysRevC.101.064310
2020RO17 Eur.Phys.J. A 56, 238 (2020) Light element (Z = 1, 2) production from spontaneous ternary fission of 252Cf RADIOACTIVITY 252Cf(SF); analyzed available data. 1,2,3H, 4,5,6,7,8He; calculated yields within a nonequilibrium approach, and the contribution of unstable nuclei and excited bound states is taken into account.
doi: 10.1140/epja/s10050-020-00247-0
2020YA03 Phys.Rev. C 101, 024316 (2020) S.Yang, C.Xu, G.Ropke, P.Schuck, Z.Ren, Y.Funaki, H.Horiuchi, A.Tohsaki, T.Yamada, B.Zhou α decay to a doubly magic core in the quartetting wave function approach NUCLEAR STRUCTURE 102Sn, 102,104Te, 210Pb, 210,212Po; calculated single-particle wave functions of protons and neutrons in the quartet, effective potentials of the α cluster, normalized bound state wave functions, scattering wave functions for α-emitters, α-cluster preformation probabilities and α-decay half-lives. Microscopic calculation of α-cluster formation using the quartetting wave function approach. Comparison with experimental data. RADIOACTIVITY 102Sn, 102,104Te, 210Pb, 210,212Po(α); calculated α-cluster preformation probabilities and α-decay half-lives. Comparison with experimental half-lives.
doi: 10.1103/PhysRevC.101.024316
2019BA13 Phys.Rev. C 99, 034305 (2019) α clustering from the quartet model NUCLEAR STRUCTURE 20Ne, 44Ti, 212Po; calculated levels, B(E2), α-cluster formation probability versus critical radius, rms intercluster separation, and radial components of the quartet wave functions for ground state bands using quartet model. Comparison with experimental values, and with other theoretical predictions.
doi: 10.1103/PhysRevC.99.034305
2019PA29 Phys.Rev. C 99, 055806 (2019) H.Pais, F.Gulminelli, C.Providencia, G.Ropke Full distribution of clusters with universal couplings and in-medium effects NUCLEAR STRUCTURE 2,3H, 3,4He; A=4-12; calculated mass fraction of light- and exotic-clusters within nuclear matter using relativistic mean field framework. Relevance to warm nonhomogeneous matter at subsaturation densities in core-collapse supernova or neutron star mergers.
doi: 10.1103/PhysRevC.99.055806
2019ZH24 Phys.Rev. C 99, 051303 (2019) B.Zhou, Y.Funaki, H.Horiuchi, M.Kimura, Z.Ren, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Nonlocalized motion in a two-dimensional container of α particles in 3- and 4- states of 12C NUCLEAR STRUCTURE 12C; calculated level energies, Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions, energy curves and contours, and density profiles of the first 3- and 4- states in 12C using container model. Comparison with generator coordinate method (GCM).
doi: 10.1103/PhysRevC.99.051303
2019ZH33 Phys.Rev. C 100, 014306 (2019) Q.Zhao, Z.Ren, M.Lyu, H.Horiuchi, Y.Kanada-En'yo, Y.Funaki, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada, B.Zhou Investigation of isospin-triplet and isospin-singlet pairing in the A=10 nuclei 10B, 10Be, and 10C with an extension of the Tohsaki-Horiuchi-Schuck-Ropke wave function NUCLEAR STRUCTURE 10Be, 10B, 10C; calculated ground state energies, first 1+ energy in 10B, overlap between total wave function, molecular-orbit component, and pairing component, density distributions of valence nucleons, and average distance between nucleons, and optimized β parameters for the wave functions of ground states and first 1+ state in 10B. Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function, with and without pairing effects. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.014306
2018PA17 Phys.Rev. C 97, 045805 (2018) H.Pais, F.Gulminelli, C.Providencia, G.Ropke Light clusters in warm stellar matter: Explicit mass shifts and universal cluster-meson couplings
doi: 10.1103/PhysRevC.97.045805
2018RO02 Nucl.Phys. A970, 224 (2018) G.Ropke, D.N.Voskresensky, I.A.Kryukov, D.Blaschke Fermi liquid, clustering, and structure factor in dilute warm nuclear matter
doi: 10.1016/j.nuclphysa.2017.11.013
2018ZH24 Phys.Rev. C 97, 054323 (2018) Q.Zhao, Z.Ren, M.Lyu, H.Horiuchi, Y.Funaki, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada, B.Zhou Investigation of the 9B nucleus and its cluster-nucleon correlations NUCLEAR STRUCTURE 9B; calculated levels, J, π, 3/2- rotational band levels, rms radii of six levels, density distributions of valence proton, energy of the 1/2+ excited state. New superposed Tohsaki-Horiuchi-Schuck-Ropke (THSR) wavefunction for cluster-correlated dynamics of valence nucleons. Comparison with experimental values and, with other theoretical predictions.
doi: 10.1103/PhysRevC.97.054323
2017AV02 Phys.Rev. C 95, 045804 (2017) S.S.Avancini, M.Ferreira, H.Pais, C.Providencia, G.Ropke Light clusters and pasta phases in warm and dense nuclear matter
doi: 10.1103/PhysRevC.95.045804
2017XU03 Phys.Rev. C 95, 061306 (2017) C.Xu, G.Ropke, P.Schuck, Z.Ren, Y.Funaki, H.Horiuchi, A.Tohsaki, T.Yamada, B.Zhou a-cluster formation and decay in the quartetting wave function approach RADIOACTIVITY 190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Po, 210Pb, 214Rn, 216Ra, 218Th, 260Sg, 264,268Hs, 270Ds, 286,288Fl, 290,292Lv, 294Og(α); calculated α-cluster preformation probabilities, comparison of experimental and theoretical half-lives. Microscopic calculations for α-cluster formation using quartetting wave function approach.
doi: 10.1103/PhysRevC.95.061306
2016BA50 Eur.Phys.J. A 52, 244 (2016) N.-U.Bastian, P.Batyuk, D.Blaschke, P.Danielewicz, Yu.B.Ivanov, Iu.Karpenko, G.Ropke, O.Rogachevsky, H.H.Wolter Light cluster production at NICA
doi: 10.1140/epja/i2016-16244-5
2016LY03 Phys.Rev. C 93, 054308 (2016) M.Lyu, Z.Ren, B.Zhou, Y.Funaki, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Investigation of 10Be and its cluster dynamics with the nonlocalized clustering approach NUCLEAR STRUCTURE 10Be; calculated energies of the first two 0+ states, rms radii, rotational bands built on 0+ states, density distribution and correlations of two valence neutrons, dynamics of α clusters using Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions. Comparison with experimental data.
doi: 10.1103/PhysRevC.93.054308
2016SC21 Phys.Scr. 91, 123001 (2016) P.Schuck, Y.Funaki, H.Horiuchi, G.Ropke, A.Tohsaki, T.Yamada Alpha particle clusters and their condensation in nuclear systems
doi: 10.1088/0031-8949/91/12/123001
2016XU01 Phys.Rev. C 93, 011306 (2016) C.Xu, Z.Ren, G.Ropke, P.Schuck, Y.Funaki, H.Horiuchi, A.Tohsaki, T.Yamada, B.Zhou α-decay width of 212Po from a quartetting wave function approach RADIOACTIVITY 212Po(α); calculated preformation probability and decay half-life using different sets of effective c.m. potentials and implementing four-nucleon correlations. Comparison of calculated α-decay width with experimental value.
doi: 10.1103/PhysRevC.93.011306
2015HE13 Phys.Rev. C 91, 045805 (2015) M.Hempel, K.Hagel, J.Natowitz, G.Ropke, S.Typel Constraining supernova equations of state with equilibrium constants from heavy-ion collisions NUCLEAR REACTIONS 112,124Sn(40Ar, X), (64Zn, X), E=47 MeV/nucleon; analyzed experimental data obtained using NIMROD 4π multidetector at Texas A and M University for yields of light particles; deduced temperature and densities, equilibrium constants (ECs) for α, d, t, 3He, mass fraction of heavy nuclei. Cluster formation in heavy-ion collisions, and equation of state (EOS) of warm and dense nuclear matter. Quantum statistical (QS) approach.
doi: 10.1103/PhysRevC.91.045805
2015LY01 Phys.Rev. C 91, 014313 (2015) M.Lyu, Z.Ren, B.Zhou, Y.Funaki, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Investigation of 9Be from a nonlocalized clustering concept NUCLEAR STRUCTURE 9Be; calculated levels, J, π, bands, contour maps of binding energy surface as function of β parameters, density distribution contour of the intrinsic ground state. Nonlocalized clustering calculations based on Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function with a new phase factor. Comparison with available experimental results.
doi: 10.1103/PhysRevC.91.014313
2015RO21 Phys.Rev. C 92, 054001 (2015) Nuclear matter equation of state including two-, three-, and four-nucleon correlations NUCLEAR STRUCTURE 2,3H, 3,4He; calculated binding energies, effective coupling strengths, suppression and Pauli blocking shift parameters. Equation of state (EOS) for light clusters in nuclear matter at subsaturation densities using a quantum statistical approach.
doi: 10.1103/PhysRevC.92.054001
2014HA05 Eur.Phys.J. A 50, 39 (2014) K.Hagel, J.B.Natowitz, G.Ropke The equation of state and symmetry energy of low-density nuclear matter NUCLEAR STRUCTURE 2,3H, 3,4He; calculated cluster mass excess, binding energy in low-density symmetric nuclear matter using RMF.
doi: 10.1140/epja/i2014-14039-4
2014RO20 Phys.Rev. C 90, 034304 (2014) G.Ropke, P.Schuck, Y.Funaki, H.Horiuchi, Z.Ren, A.Tohsaki, C.Xu, T.Yamada, B.Zhou Nuclear clusters bound to doubly magic nuclei: The case of 212Po NUCLEAR STRUCTURE 212Po; calculated internal four-nucleon energy, Coulomb and isospin-dependent Woods-Saxon potentials, Thomas-Fermi density, Fermi energy, E(α). Shell model calculations with cluster formation in inhomogeneous nuclear systems, four-particle (α-like) correlations in doubly-magic 208Pb core. Tohsaki-Horiuchi-Schuck-Ropke wave function approach in shell-model calculations. Discussed different physics behavior of an α-like cluster as compared to a deuteron-like cluster.
doi: 10.1103/PhysRevC.90.034304
2014TY01 Eur.Phys.J. A 50, 17 (2014) S.Typel, H.H.Wolter, G.Ropke, D.Blaschke Effects of the liquid-gas phase transition and cluster formation on the symmetry energy
doi: 10.1140/epja/i2014-14017-x
2014WU06 Phys.Rev. C 90, 011601 (2014), Erratum Phys.Rev. C 90, 019903 (2014) S.Wuenschel, H.Zheng, K.Hagel, B.Meyer, M.Barbui, E.J.Kim, G.Ropke, J.B.Natowitz Nucleation and cluster formation in low-density nucleonic matter: A mechanism for ternary fission NUCLEAR REACTIONS 241Pu(n, F), E=thermal; calculated ternary fission yields as a function of mass and charge of products of A<40. Nucleation and cluster formation in the low-density neck between the two large fragments. Nuclear statistical equilibrium (NSE) calculations. Comparison with experimental data. 242Pu(SF); plotted experimental relative yields of ternary cluster isotopes.
doi: 10.1103/PhysRevC.90.011601
2014ZH10 Phys.Rev. C 89, 034319 (2014) B.Zhou, Y.Funaki, H.Horiuchi, Z.Ren, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Nonlocalized cluster dynamics and nuclear molecular structure NUCLEAR STRUCTURE 8Be, 12C, 20Ne; calculated levels, J, π, energy surfaces, density distributions, quadrupole moments using Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function. Container model. Nonlocalized cluster dynamics for 2α, 3α, and 16O+α cluster systems.
doi: 10.1103/PhysRevC.89.034319
2013RO01 Nucl.Phys. A897, 70 (2013) G.Ropke, N.-U.Bastian, D.Blaschke, T.Klahn, S.Typel, H.H.Wolter Cluster-virial expansion for nuclear matter within a quasiparticle statistical approach
doi: 10.1016/j.nuclphysa.2012.10.005
2013RO21 Phys.Rev. C 88, 024609 (2013) G.Ropke, S.Shlomo, A.Bonasera, J.B.Natowitz, S.J.Yennello, A.B.McIntosh, J.Mabiala, L.Qin, S.Kowalski, K.Hagel, M.Barbui, K.Schmidt, G.Giuliani, H.Zheng, S.Wuenschel Density determinations in heavy ion collisions
doi: 10.1103/PhysRevC.88.024609
2013ZH25 Phys.Rev.Lett. 110, 262501 (2013) B.Zhou, Y.Funaki, H.Horiuchi, Z.Ren, G.Ropke, P.Schuck, A.Tohsaki, C.Xu, T.Yamada Nonlocalized Clustering: A New Concept in Nuclear Cluster Structure Physics NUCLEAR STRUCTURE 20Ne; calculated energy surfaces, levels, J, π. The Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave function, α+16O resonating group method.
doi: 10.1103/PhysRevLett.110.262501
2012FU10 Prog.Theor.Phys.(Kyoto), Suppl. 196, 439 (2012) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki Alpha Cluster States and Condensation in 16O NUCLEAR STRUCTURE 16O, 12C, 20Ne; calculated energy spectra, J, π, rotational band of the α+Hoyle state. Orthogonality condition model and Gauss expansion method calculations.
doi: 10.1143/PTPS.196.439
2012HA04 Phys.Rev.Lett. 108, 062702 (2012) K.Hagel, R.Wada, L.Qin, J.B.Natowitz, S.Shlomo, A.Bonasera, G.Ropke, S.Typel, Z.Chen, M.Huang, J.Wang, H.Zheng, S.Kowalski, C.Bottosso, M.Barbui, M.R.D.Rodrigues, K.Schmidt, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka Experimental Determination of In-Medium Cluster Binding Energies and Mott Points in Nuclear Matter NUCLEAR REACTIONS 112,124Sn(40Ar, X), (64Zn, X), E=47 MeV/nucleon; measured reaction products, Eα, Iα. 2,3H, 3,4He; deduced temperature and density dependence, binding energies, Pauli blocking effects in a quantum statistical approach.
doi: 10.1103/PhysRevLett.108.062702
2012QI06 Phys.Rev.Lett. 108, 172701 (2012) L.Qin, K.Hagel, R.Wada, J.B.Natowitz, S.Shlomo, A.Bonasera, G.Ropke, S.Typel, Z.Chen, M.Huang, J.Wang, H.Zheng, S.Kowalski, M.Barbui, M.R.D.Rodrigues, K.Schmidt, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka, Y.G.Ma Laboratory Tests of Low Density Astrophysical Nuclear Equations of State NUCLEAR REACTIONS 112,124Sn(40Ar, X), (64Zn, X)2H/3H/3He/4He, E=47 MeV/nucleon; measured reaction products, Eα, Iα; deduced yields, equilibrium constants for α particle production. Astrophysical equation of state calculations.
doi: 10.1103/PhysRevLett.108.172701
2012SC14 Prog.Theor.Phys.(Kyoto), Suppl. 196, 56 (2012) Quartetting in Nuclear Matter
doi: 10.1143/PTPS.196.56
2012WA20 Phys.Rev. C 85, 064618 (2012) R.Wada, K.Hagel, L.Qin, J.B.Natowitz, Y.G.Ma, G.Ropke, S.Shlomo, A.Bonasera, S.Typel, Z.Chen, M.Huang, J.Wang, H.Zheng, S.Kowalski, C.Bottosso, M.Barbui, M.R.D.Rodrigues, K.Schmidt, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka Nuclear matter symmetry energy at 0.03 ≤ ρ/ρ0 NUCLEAR REACTIONS 112,124Sn(40Ar, X), (64Zn, X), E=47 MeV/nucleon; measured charged particle and neutron spectra and multiplicity; deduced coalescence parameters and model volumes as a function of surface velocity, nuclear temperature, density, isoscaling parameter, symmetry free energy and symmetry entropy versus density. NIMROD multidetector at Texas A
doi: 10.1103/PhysRevC.85.064618
2012YA02 Phys.Rev. C 85, 034315 (2012) T.Yamada, Y.Funaki, T.Myo, H.Horiuchi, K.Ikeda, G.Ropke, P.Schuck, A.Tohsaki Isoscalar monopole excitations in 16O: α-cluster states at low energy and mean-field-type states at higher energy NUCLEAR STRUCTURE 16O; calculated energies of 0+ levels, rms charge radii, E0 transition matrix elements, particle decay widths, spectroscopic factors, isoscalar monopole strength functions using four α cluster model and α+12C orthogonality condition model (OCM) model. Discussed dual nature of 16O ground state. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.034315
2012ZH29 Phys.Rev. C 86, 014301 (2012) B.Zhou, Z.-z.Ren, C.Xu, Y.Funaki, T.Yamada, A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke New concept for the ground-state band in 20Ne within a microscopic cluster model NUCLEAR STRUCTURE 20Ne; calculated energy surface contour maps of ground-state and first 2+ states, wave function overlaps, minimum energies and distances between α cluster and 16O cluster with respect to different spin-projected states for the ground-state band members up to 8+. Brink microscopic cluster model based on generalized Tohsaki, Horiuchi, Schuck, Ropke (THSR) wave functions. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.014301
2011FU08 Int.J.Mod.Phys. E20, 874 (2011) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki Alpha clustering and condensation in nuclei NUCLEAR STRUCTURE 16O; calculated energy levels, J, π, rms radii, occupation of the single-α orbitals. OCM and THSR calculations, comparison with experimental data.
doi: 10.1142/S0218301311018873
2011HE20 Phys.Rev. C 84, 055804 (2011) M.Hempel, J.Schaffner-Bielich, S.Typel, G.Ropke Light clusters in nuclear matter: Excluded volume versus quantum many-body approaches
doi: 10.1103/PhysRevC.84.055804
2011NA20 Int.J.Mod.Phys. E20, 987 (2011) J.B.Natowitz, K.Hagel, R.Wada, L.Qin, Z.Chen, P.Sahu, G.Ropke, S.Kowalski, C.Bottosso, S.Shlomo, M.Barbui, D.Fabris, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, G.Viesti, M.Cinausero, G.Prete, T.Keutgen, Y.El Masri, Z.Majka Clustered low density nuclear matter in near Fermi energy collisions
doi: 10.1142/S0218301311019118
2011RO13 Int.J.Mod.Phys. E20, 897 (2011) Light clusters in nuclear matter
doi: 10.1142/S0218301311018927
2011RO39 Nucl.Phys. A867, 66 (2011) Parametrization of light nuclei quasiparticle energy shifts and composition of warm and dense nuclear matter NUCLEAR STRUCTURE 2,3H, 3,4H; calculated clusterization, mass excess, radius using cluster mean field approximation, generalized Bethe-Uhlenbeck formula.
doi: 10.1016/j.nuclphysa.2011.07.010
2011SC14 Int.J.Mod.Phys. E20, 889 (2011) Critical temperature for α-condensation in asymmetric nuclear matter: The astrophysical context
doi: 10.1142/S0218301311018903
2010FU06 Phys.Rev. C 82, 024312 (2010) Y.Funaki, T.Yamada, A.Tohsaki, H.Horiuchi, G.Ropke, P.Schuck Microscopic study of 4α-particle condensation with inclusion of resonances NUCLEAR STRUCTURE 16O; calculated binding energies, energy spectra, rms radii, monopole M(E0) matrix elements, α-decay widths, nucleon density distributions, occupation probabilities, and momentum distributions of four 0+ states in 4α-particle condensate using Tohsaki-Horiuchi- Schuck-Ropke (THSR) wave function. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.024312
2010NA07 Phys.Rev.Lett. 104, 202501 (2010) J.B.Natowitz, G.Ropke, S.Typel, D.Blaschke, A.Bonasera, K.Hagel, T.Klahn, S.Kowalski, L.Qin, S.Shlomo, R.Wada, H.H.Wolter Symmetry Energy of Dilute Warm Nuclear Matter NUCLEAR REACTIONS 92Mo, 197Au(64Zn, X), E=35 MeV/nucleon; analyzed heavy-ion collision data; deduced free neutron and proton yields, temperatures, densities, symmetry energy. Quantum-statistical model of nuclear matter.
doi: 10.1103/PhysRevLett.104.202501
2010SO11 Phys.Rev. C 81, 064310 (2010) Many-body approach for quartet condensation in strong coupling
doi: 10.1103/PhysRevC.81.064310
2010SO17 Phys.Rev. C 82, 034322 (2010) Critical temperature for α-particle condensation in asymmetric nuclear matter
doi: 10.1103/PhysRevC.82.034322
2010TY01 Phys.Rev. C 81, 015803 (2010) S.Typel, G.Ropke, T.Klahn, D.Blaschke, H.H.Wolter Composition and thermodynamics of nuclear matter with light clusters
doi: 10.1103/PhysRevC.81.015803
2009FU14 Int.J.Mod.Phys. E18, 2083 (2009) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki α-particle condensed state in 16O NUCLEAR STRUCTURE 16O; calculated energy spectra, J, π, rms radii, monopole transition matrix elements, single-α orbits.
doi: 10.1142/S0218301309014330
2009FU16 Phys.Rev. C 80, 064326 (2009) Y.Funaki, H.Horiuchi, W.von Oertzen, G.Ropke, P.Schuck, A.Tohsaki, T.Yamada Concepts of nuclear α-particle condensation NUCLEAR STRUCTURE 12C, 16O; calculated occupation of single-α orbitals, binding energies, and momentum distribution of Hoyle states in 12C and 16O using antisymmetrized α-particle product state wave functions or THSR (Tohsaki-Horiuchi-Schuck-Roepke) α-cluster wave functions. Discussed α-cluster phenomenon in connection with experimental αγ-coin spectra for 24Mg(28Si, 3α)40Ca and 24Mg(28Si, 12C)40Ca reactions.
doi: 10.1103/PhysRevC.80.064326
2009RO01 Phys.Rev. C 79, 014002 (2009) Light nuclei quasiparticle energy shifts in hot and dense nuclear matter. NUCLEAR STRUCTURE 1n, 1,2,3H, 3,4He; calculated binding energies in low density limit and nuclear statistical equilibrium, cluster quasiparticle shifts. Finite temperature Green function approach
doi: 10.1103/PhysRevC.79.014002
2009SH12 Phys.Rev. C 79, 034604 (2009) S.Shlomo, G.Ropke, J.B.Natowitz, L.Qin, K.Hagel, R.Wada, A.Bonasera Effect of medium dependent binding energies on inferring the temperatures and freeze-out density of disassembling hot nuclear matter from cluster yields
doi: 10.1103/PhysRevC.79.034604
2009SO06 Phys.Rev. C 79, 051301 (2009) T.Sogo, R.Lazauskas, G.Ropke, P.Schuck Critical temperature for α-particle condensation within a momentum-projected mean-field approach
doi: 10.1103/PhysRevC.79.051301
2009YA05 Phys.Rev. C 79, 054314 (2009) T.Yamada, Y.Funaki, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki Internal one-particle density matrix for Bose-Einstein condensates with finite number of particles in a harmonic potential
doi: 10.1103/PhysRevC.79.054314
2008FU06 Phys.Rev. C 77, 064312 (2008) Y.Funaki, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki, T.Yamada Density-induced suppression of the α-particle condensate in nuclear matter and the structure of α-cluster states in nuclei NUCLEAR STRUCTURE 12C, 16O; calculated condensation fraction for alpha-matter and its dependence on baryon density. Jastrow-Feenberg approach.
doi: 10.1103/PhysRevC.77.064312
2008FU11 Phys.Rev.Lett. 101, 082502 (2008) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki α-Particle Condensation in 16O Studied with a Full Four-Body Orthogonality Condition Model Calculation NUCLEAR STRUCTURE 16O; calculated energy and rms radii of ground and excited 0+ states and monopole transition matrix elements, M(E0) to ground state; comparison with experiments; semi-microscopic cluster model.
doi: 10.1103/PhysRevLett.101.082502
2008FU14 Int.J.Mod.Phys. E17, 2087 (2008) Y.Funaki, T.Yamada, H.Horiuchi, G.Ropke, P.Schuck, A.Tohsaki Present status of alpha-particle condensate states in self-conjugate 4n nuclei NUCLEAR STRUCTURE 12C, 16O; calculated low density states near the 3α and 4α breakup threshold, energy levels, J, π. OCM and THSR approaches.
doi: 10.1142/S0218301308011148
2008RO28 Int.J.Mod.Phys. E17, 2145 (2008) Cluster formation and the nuclear matter equation of state
doi: 10.1142/S0218301308011240
2008SU09 Phys.Rev. C 77, 055804 (2008) Appearance of light clusters in post-bounce evolution of core-collapse supernovae
doi: 10.1103/PhysRevC.77.055804
2007SC21 Prog.Part.Nucl.Phys. 59, 285 (2007) P.Schuck, Y.Funaki, H.Horiuchi, G.Ropke, A.Tohsaki, T.Yamada Quartetting in fermionic matter and α-particle condensation in nuclear systems
doi: 10.1016/j.ppnp.2006.12.003
2007SC38 Nucl.Phys. A788, 293c (2007) P.Schuck, Y.Funaki, H.Horiuchi, G.Ropke, A.Tohsaki, T.Yamada α-Particle Condensation in Nuclear Systems NUCLEAR STRUCTURE 12C; calculated binding energy, radii, monopole matrix elements and inelastic form factor. 16O; calculated 0+ state energies. Hoyle state discussed.
doi: 10.1016/j.nuclphysa.2007.01.015
2007WA32 Phys.Lett. B 653, 173 (2007) T.Wakasa, E.Ihara, K.Fujita, Y.Funaki, K.Hatanaka, H.Horiuchi, M.Itoh, J.Kamiya, G.Ropke, H.Sakaguchi, N.Sakamoto, Y.Sakemi, P.Schuck, Y.Shimizu, M.Takashina, S.Terashima, A.Tohsaki, M.Uchida, H.P.Yoshida, M.Yosoi New candidate for an alpha cluster condensed state in 16O(α, α') at 400 MeV NUCLEAR REACTIONS 16O(α, α'), E=400 MeV; analyzed elastic and inelastic σ(θ). Comparison with model calculations. Evidence for cluster structure.
doi: 10.1016/j.physletb.2007.08.016
2006FU09 Eur.Phys.J. A 28, 259 (2006) Y.Funaki, A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke Inelastic form factors to alpha-particle condensate states in 12C and 16O: What can we learn? NUCLEAR STRUCTURE 12C, 16O; calculated inelastic and elastic form factors, α-cluster states energies, related features. Hoyle state discussed, comparison with data.
doi: 10.1140/epja/i2006-10061-5
2006KL08 Phys.Rev. C 74, 035802 (2006) T.Klahn, D.Blaschke, S.Typel, E.N.E.van Dalen, A.Faessler, C.Fuchs, T.Gaitanos, H.Grigorian, A.Ho, E.E.Kolomeitsev, M.C.Miller, G.Ropke, J.Trumper, D.N.Voskresensky, F.Weber, H.H.Wolter Constraints on the high-density nuclear equation of state from the phenomenology of compact stars and heavy-ion collisions
doi: 10.1103/PhysRevC.74.035802
2005FU02 Eur.Phys.J. A 24, 321 (2005) Y.Funaki, A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke Resonance states in 12C and α-particle condensation NUCLEAR STRUCTURE 12C; calculated resonance levels J, π, α-decay widths, α-cluster structure. Analytic continuation in the coupling constant.
doi: 10.1140/epja/i2004-10238-x
2005RO36 Part. and Nucl., Lett. 128, 25 (2005) G.Ropke, A.Grigo, K.Sumiyoshi, H.Shen The nuclear matter equation of state including light clusters
2004SC27 Nucl.Phys. A738, 94 (2004) P.Schuck, Y.Funaki, H.Horiuchi, G.Ropke, A.Tohsaki, T.Yamada Alpha-particle condensation in nuclei NUCLEAR STRUCTURE 12C; calculated α-cluster states energies, radii. Other nuclides discussed.
doi: 10.1016/j.nuclphysa.2004.04.075
2004TO15 Nucl.Phys. A738, 259 (2004) A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke Wide perspective of alpha condensation in light 4N Nuclei NUCLEAR STRUCTURE 8Be, 12C, 16O, 20Ne; calculated α-cluster states energies, radii, α condensation features.
doi: 10.1016/j.nuclphysa.2004.04.042
2003FU06 Phys.Rev. C 67, 051306 (2003) Y.Funaki, A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke Analysis of previous microscopic calculations for the second 0+ state in 12C in terms of 3-α particle Bose-condensed state NUCLEAR STRUCTURE 12C; calculated 0+ state wave function, radius, related features. Comparison of microscopic cluster model and condensed state results.
doi: 10.1103/PhysRevC.67.051306
2003FU21 Mod.Phys.Lett. A 18, 170 (2003) Y.Funaki, H.Horiuchi, A.Tohsaki, P.Schuck, G.Ropke Description of 8Be as deformed gas- Like two-alpha-particle states NUCLEAR STRUCTURE 8Be; calculated level energies, widths, deformation. Deformed α-cluster condensate.
doi: 10.1142/S0217732303010181
2003SC43 Acta Phys.Hung.N.S. 18, 241 (2003) P.Schuck, H.Horiuchi, G.Ropke, A.Tohsaki Alpha-Particle Condensation in Nuclei
doi: 10.1556/APH.18.2003.2-4.19
2003SC44 C.R.Physique 4, 537 (2003) P.Schuck, H.Horiuchi, G.Ropke, A.Tohsaki Alpha-particle condensation in nuclei
doi: 10.1016/S1631-0705(03)00056-2
2002FU19 Prog.Theor.Phys.(Kyoto) 108, 297 (2002) Y.Funaki, H.Horiuchi, A.Tohsaki, P.Schuck, G.Ropke Description of 8Be as Deformed Gas-Like Two-Alpha-Particle States NUCLEAR STRUCTURE 8Be; calculated level energies, widths, deformation. Deformed α-cluster condensate.
doi: 10.1143/PTP.108.297
2002IS09 Phys.Rev. C66, 034315 (2002) Anisotropic Multigap Superfluid States in Nuclear Matter
doi: 10.1103/PhysRevC.66.034315
2001KU05 Phys.Rev. C63, 034605 (2001) C.Kuhrts, M.Beyer, P.Danielewicz, G.Ropke Medium Corrections in the Formation of Light Charged Particles in Heavy Ion Reactions NUCLEAR REACTIONS 119Sn(129Xe, X), E=50 MeV/nucleon; calculated light charged particle spectra, medium effects. Microscopic transport model, comparison with data.
doi: 10.1103/PhysRevC.63.034605
2001TO23 Phys.Rev.Lett. 87, 192501 (2001) A.Tohsaki, H.Horiuchi, P.Schuck, G.Ropke Alpha Cluster Condensation in 12C and 16O NUCLEAR STRUCTURE 12C, 16O; calculated α-cluster states energies, widths.
doi: 10.1103/PhysRevLett.87.192501
2001WI14 Nucl.Phys. A688, 569c (2001) A.Wierling, Th.Millat, G.Ropke Dynamical Screening Corrections to the Electron Capture Rate by 7Be RADIOACTIVITY 7Be(EC); calculated capture rate in stellar environment. Comparison with other calculations.
doi: 10.1016/S0375-9474(01)00790-4
2000BE46 Phys.Lett. 488B, 247 (2000) M.Beyer, S.A.Sofianos, C.Kuhrts, G.Ropke, P.Schuck The α-Particle in Nuclear Matter NUCLEAR STRUCTURE 4He; calculated binding energy for an α particle inside nuclear matter as a function of nuclear density. Solution of Alt-Grassberger-Sandhas equations.
doi: 10.1016/S0370-2693(00)00908-4
2000KU05 Nucl.Phys. A668, 137 (2000) Deuteron Formation in Nuclear Matter NUCLEAR REACTIONS 2H(n, n), (n, np), E < 50 MeV; calculated total, elastic, breakup σ. Application to deuteron formation in nuclear matter discussed. Quantum statistical approach.
doi: 10.1016/S0375-9474(99)00561-8
2000RO04 Phys.Rev. C61, 024306 (2000) G.Ropke, A.Schnell, P.Schuck, U.Lombardo Isospin Singlet (pn) Pairing and Quartetting Contribution to the Binding Energy of Nuclei NUCLEAR STRUCTURE Z=4-40; analyzed binding energies; deduced singlet pairing, quartetting contributions. 40Ar, 40Ti; calculated proton and neutron densities. A=40; calculated proton-neutron pairing gap, condensation energy. Local density approximation.
doi: 10.1103/PhysRevC.61.024306
1999BE37 Phys.Rev. C60, 034004 (1999) M.Beyer, W.Schadow, C.Kuhrts, G.Ropke Three-Body Properties in Nuclear Matter at Thermal Equilibrium
doi: 10.1103/PhysRevC.60.034004
1999RO08 Prog.Part.Nucl.Phys. 42, 53 (1999) Two-Particle Properties in Nuclear Matter at Finite Temperatures
doi: 10.1016/S0146-6410(99)00060-5
1999SC28 Phys.Rev.Lett. 83, 1926 (1999) Precritical Pair Fluctuations and Formation of a Pseudogap in Low-Density Nuclear Matter
doi: 10.1103/PhysRevLett.83.1926
1998DU01 Nucl.Phys. A628, 17 (1998) Generalized Bruckner-Hartree-Fock Theory and Self-Consistent RPA
doi: 10.1016/S0375-9474(97)00606-4
1998SC02 Phys.Rev. C57, 806 (1998) A.Schnell, G.Ropke, U.Lombardo, H.-J.Schulze Elastic Nucleon-Nucleon Cross Section in Nuclear Matter at Finite Temperature
doi: 10.1103/PhysRevC.57.806
1998SM05 Int.J.Mod.Phys. E7, 515 (1998) S.A.Smolyansky, A.V.Prozorkevich, S.Schmidt, D.Blaschke, G.Ropke, V.D.Toneev Relativistic Quantum Kinetic Equation of the Vlasov Type for Systems with Internal Degrees of Freedom
doi: 10.1142/S0218301398000270
1998VO04 Phys.Lett. 424B, 235 (1998) M.K.Volkov, E.A.Kuraev, D.Blaschke, G.Ropke, S.Schmidt Excess Low Energy Photon Pairs from Pion Annihilation at the Chiral Phase Transition
doi: 10.1016/S0370-2693(98)00227-5
1997BE52 Phys.Rev. C56, 2636 (1997) Deuteron Lifetime in Hot and Dense Nuclear Matter Near Equilibrium
doi: 10.1103/PhysRevC.56.2636
1997SC06 Phys.Rev. C55, 1917 (1997) J.Schmelzer, G.Ropke, F.-P.Ludwig Nuclear Multifragmentation Processes and Nucleation Theory
doi: 10.1103/PhysRevC.55.1917
1997SC11 Phys.Rev. C55, 3006 (1997) H.-J.Schulze, A.Schnell, G.Ropke, U.Lombardo Nucleon-Nucleon Cross Sections in Nuclear Matter NUCLEAR REACTIONS 1n, 1H(n, n), E < 400 MeV; calculated σ(E); deduced density dependence. Brueckner-Hartree-Fock approximation scheme with Paris potential.
doi: 10.1103/PhysRevC.55.3006
1996AL09 Phys.Rev. C53, 2181 (1996) T.Alm, G.Ropke, A.Schnell, N.H.Kwong, H.S.Kohler Nucleon Spectral Function at Finite Temperature and the Onset of Superfluidity in Nuclear Matter
doi: 10.1103/PhysRevC.53.2181
1996AL18 Nucl.Phys. A604, 491 (1996) T.Alm, G.Ropke, A.Sedrakian, F.Weber 3D2 Pairing in Asymmetric Nuclear Matter
doi: 10.1016/0375-9474(96)00153-4
Back to query form [Next] |