NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = K.Heyde Found 290 matches. Showing 1 to 100. [Next]2020GA31 Phys.Rev. C 102, 054333 (2020) Subtle connection between shape coexistence and quantum phase transition: The Zr case NUCLEAR STRUCTURE 94,96,98,100,102,104,106,108,110Zr; calculated E(first 4+)/E(first 2+), S(2n), radii square with reference to 90Zr, energies of the unperturbed regular and intruder IBM bandheads with reference to ground-state energies, β2 corresponding to the unperturbed regular and intruder configurations, matrix coherent-state potential energy surface along the axial axis, matrix coherent-state potential energy surfaces in (β, γ) plane, U(5) decomposition of the yrast band and other states in regular and the intruder configurations, number of 0+ and other states below 4 MeV excitation, shape coexistence or with a quantum phase transition. 100,102Zr, 152Sm; calculated B(E2) and compared to values in X(5) limit. 94Zr; calculated ρ2(E0) for first excited 0+ state to ground state. Interacting boson model calculations with configuration mixing (IBM-CM). Comparison with experimental data. 90,92,94,96,98,100,102,104,106,108,110Zr; compiled experimental data for levels, J, π, 0+ states, two-nucleon and α transfer strengths to the first excited 0+ states.
doi: 10.1103/PhysRevC.102.054333
2019GA30 Phys.Rev. C 100, 044315 (2019) Quest of shape coexistence in Zr isotopes NUCLEAR STRUCTURE 94,96,98,100,102,104,106,108,110Zr; calculated positive-parity levels, J, B(E2), mean-square charge radii, ρ2(E0) for excited 0+ levels, S(2n), absolute energy of the lowest unperturbed regular and intruder first 0+ levels, energies of the two lowest lying regular levels and the lowest-lying intruder levels for J=0+, 2+, 3+, 4+, 5+, 6+ and 8+, B(E2) for levels in yrast bands and non-yrast intraband transitions, mean-field energy surfaces for 98,100,102Zr, intrinsic quadrupole moment, β and γ deformation parameters for first three 0+ states. Interacting boson model with configuration mixing (IBM-CM). Comparison with experimental data. Discussed shape coexistence, and other models such as large-scale shell-model side (LSSM), Monte-Carlo shell model (MCSM), and various mean field methods. 90,92,94,96,98,100,102,104,106,108,110Zr; systematics of experimental positive-parity levels, J, B(E2), spherical and deformed shapes up to 3 MeV excitation. Z=38-42, N=52-68; systematics of experimental S(2n) and difference in charge radii <r2> relative to those of N=50 nuclei.
doi: 10.1103/PhysRevC.100.044315
2019WR01 Eur.Phys.J. A 55, 130 (2019) K.Wrzosek-Lipska, K.Rezynkina, N.Bree, M.Zielinska, L.P.Gaffney, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.N.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, A.Wiens, J.L.Wood Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg NUCLEAR REACTIONS 112Cd(182Hg, 182Hg'), E=519 MeV; 120Sn, 107Ag, 112Cd(184Hg, 184Hg'), E=524 MeV; 120Sn, 107Ag, 114Cd(186Hg, 186Hg'), E=530 MeV; 120Sn, 107Ag, 114Cd(188Hg, 188Hg'), E=536 MeV; measured reaction products, Eγ, Iγ, X-rays. 182,184,186,188Hg; deduced γ-ray energies, J, π, transition E2 and M1 reduced matrix elements, branching ratios, B(E2). Comparison with theoretical calculations, GOSIA analysis. The Miniball set-up, REX postaccelerator.
doi: 10.1140/epja/i2019-12815-2
2017AL34 Phys.Rev. C 96, 044325 (2017) N.A.Althubiti, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, S.George, F.Herfurth, K.Heyde, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber, for the ISOLTRAP Collaboration Spectroscopy of the long-lived excited state in the neutron-deficient nuclides 195, 197, 199Po by precision mass measurements ATOMIC MASSES 195,195m,196,197,197m,199m,203,208Po; measured cyclotron frequency ratios, mass excesses using ISOLTRAP Penning-trap mass spectrometer at ISOLDE-CERN. The Po isotopes produced in U(p, X), E=1.4 GeV using RILIS and high-resolution mass spectrometer. 191m,193mPb, 195m,197mPo, 199m,201mRn, 203m,205mRa; deduced level energies of 13/2+ isomers in odd-A polonium isotopes from mass measurements, and other isomers from α decay. Comparison with evaluated data in AME-2016. RADIOACTIVITY 195,195m,197,197m,199mPo(α)[from U(p, X), E=1.4 GeV using RILIS and high-resolution mass spectrometer at ISOLDE-CERN]; measured Eα, Iα.
doi: 10.1103/PhysRevC.96.044325
2017SC11 Phys.Rev. C 96, 014302 (2017) T.Schmidt, K.L.G.Heyde, A.Blazhev, J.Jolie Shell-model-based deformation analysis of light cadmium isotopes NUCLEAR STRUCTURE 98,100,102,104,106,108Cd; calculated levels, J, π, B(E2) using large-scale shell model with the ANTOINE code; deduced deformation parameters β and γ from rotational invariants. Comparison with available experimental data.
doi: 10.1103/PhysRevC.96.014302
2016GR15 Phys.Rev. C 94, 044327 (2016) T.Grahn, S.Stolze, D.T.Joss, R.D.Page, B.Saygi, D.O'Donnell, M.Akmali, K.Andgren, L.Bianco, D.M.Cullen, A.Dewald, P.T.Greenlees, K.Heyde, H.Iwasaki, U.Jakobsson, P.Jones, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.Lumley, P.J.R.Mason, O.Moller, K.Nomura, M.Nyman, A.Petts, P.Peura, N.Pietralla, Th.Pissulla, P.Rahkila, P.J.Sapple, J.Saren, C.Scholey, J.Simpson, J.Sorri, P.D.Stevenson, J.Uusitalo, H.V.Watkins, J.L.Wood Excited states and reduced transition probabilities in 168Os NUCLEAR REACTIONS 92Mo(78Kr, 2p), E=335, 345, 348 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, level half-lives by recoil-distance method using a plunger device, RITU separator, GREAT spectrometer, JUROGAM array at Jyvaskyla accelerator facility. 168Os; deduced high-spin levels, J, π, bands, B(E2), B(E1), transition quadrupole and dipole moments. Comparisons with interacting boson model (IBM-2) calculations based on the SkM* energy-density functional. Systematics of ground bands, and excited positive-parity level energies up to 8+ in 168,170,172,174,176,178,180,182,184Os.
doi: 10.1103/PhysRevC.94.044327
2016WO02 J.Phys.(London) G43, 020402 (2016) A focus on shape coexistence in nuclei NUCLEAR STRUCTURE 16O, 40Ca, 32Mg, 42Ca, 43Sc, 72Se, 112,114,116,118Sn; analyzed available data; deduced shape coexistence regions.
doi: 10.1088/0954-3899/43/2/020402
2015GA29 Phys.Rev. C 92, 034309 (2015) Nuclear shape coexistence in Po isotopes: An interacting boson model study NUCLEAR STRUCTURE 190,192,194,196,198,200,202,204,206,208,210Po; calculated levels, J, π, IBM-CM Hamiltonians, B(E2)s, electric quadrupole moments, nuclear radii and isotopic shifts, quadrupole shape invariants, wave functions, and deformations. Interacting boson model with configuration mixing (IBM-CM), by fixing the parameters of the Hamiltonians by a least-squares fit to experimental level energies and absolute B(E2) values. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.034309
2015KE06 Phys.Rev. C 92, 054301 (2015) N.Kesteloot, B.Bastin, L.P.Gaffney, K.Wrzosek-Lipska, K.Auranen, C.Bauer, M.Bender, V.Bildstein, A.Blazhev, S.Bonig, N.Bree, E.Clement, T.E.Cocolios, A.Damyanova, I.Darby, H.De Witte, D.DiJulio, J.Diriken, C.Fransen, J.E.Garcia-Ramos, R.Gernhauser, T.Grahn, P.-H.Heenen, H.Hess, K.Heyde, M.Huyse, J.Iwanicki, U.Jakobsson, J.Konki, T.Kroll, B.Laurent, N.Lecesne, R.Lutter, J.Pakarinen, P.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, M.Scheck, M.Seidlitz, M.Sferrazza, B.Siebeck, M.Sjodin, H.Tornqvist, E.Traykov, J.Van De Walle, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, M.Zielinska Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes NUCLEAR REACTIONS 104Pd(196Po, 196Po'), (200Po, 200Po'), (202Po, 202Po'), 94Mo(198Po, 198Po'), (202Po, 202Po'), E=2.85 MeV/nucleon, [secondary Po beams from U(p, X), E=1.4 GeV at REX-ISOLDE-CERN facility]; measured Eγ, Iγ, γγ-coin, (Po x ray)γ-coin, (scattered particle)γ-coin, (particle)γ(t), angular distribution of scattered particles, Coulomb excitation yields for excited states in beams and targets during laser-on and laser-off using double-sided silicon-strip detectors (DSSSDs) for particles and Miniball array for γ rays. 196,198,200,202Po; deduced levels, J, π, E2 matrix elements, B(E2), deformation parameters, transition quadrupole moments. 94Mo, 104Pd; deduced levels, Coulomb excitation yields. GOSIA analysis of Coulomb excitation yields. Comparison with predictions of beyond-mean-field (BMF) model, interacting boson model (IBM), general Bohr Hamiltonian (GBH) model, phenomenological two-level mixing model, and with previous measurement of mean-square charge radii.
doi: 10.1103/PhysRevC.92.054301
2014BR05 Phys.Rev.Lett. 112, 162701 (2014) N.Bree, K.Wrzosek-Lipska, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, J.Butterworth, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, L.P.Gaffney, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, A.Wiens, J.L.Wood, M.Zielinska Shape Coexistence in the Neutron-Deficient Even-Even 182-188Hg Isotopes Studied via Coulomb Excitation NUCLEAR REACTIONS 120Sn, 107Ag, 112,114Cd(182Hg, 182Hg'), (184Hg, 184Hg'), (186Hg, 186Hg'), (188Hg, 188Hg'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 182,184,186,188Hg; deduced energy levels, J, π, nuclear matrix elements, B(E2). Comparison with IBM calculations, experimental data.
doi: 10.1103/PhysRevLett.112.162701
2014GA02 Phys.Rev. C 89, 014306 (2014) Nuclear shape coexistence: A study of the even-even Hg isotopes using the interacting boson model with configuration mixing NUCLEAR STRUCTURE 172,174,176,178,180,182,184,186,188,190,192,194,196,198,200Hg; calculated levels, J, π, absolute and relative B(E2), quadrupole moments, quadrupole shape invariants, wave functions, isotopic shifts, rms charge radii, mean-field energy surfaces, α-decay hindrance factor. Interacting boson model with configuration mixing. Comparisons with experimental data
doi: 10.1103/PhysRevC.89.014306
2014GA08 Phys.Rev. C 89, 034313 (2014) J.E.Garcia-Ramos, K.Heyde, L.M.Robledo, R.Rodriguez-Guzman Shape evolution and shape coexistence in Pt isotopes: Comparing interacting boson model configuration mixing and Gogny mean-field energy surfaces NUCLEAR STRUCTURE 172,174,176,178,180,182,184,186,188,190,192Pt; calculated total energy curves as function of β2, energy surface contours in (β, γ) plane, energies of unperturbed regular and intruder IBM bandheads. Interacting boson model with configuration mixing, and Hartree-Fock-Bogolyubov calculations with Gogny-D1S interaction. Detailed comparison of the two methods.
doi: 10.1103/PhysRevC.89.034313
2013DI01 Phys.Rev. C 87, 017301 (2013) D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, M.Hjorth-Jensen, M.Albers, V.Bildstein, A.Blazhev, I.Darby, T.Davinson, H.De Witte, J.Diriken, Ch.Fransen, K.Geibel, R.Gernhauser, A.Gorgen, H.Hess, K.Heyde, J.Iwanicki, R.Lutter, P.Reiter, M.Scheck, M.Seidlitz, S.Siem, J.Taprogge, G.M.Tveten, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, K.Wimmer Coulomb excitation of 107In NUCLEAR REACTIONS 58Ni(107In, 107In'), (107Sn, 107Sn'), [107In and 107Sn secondary beams from LaCx(p, X), E=1.4 GeV primary reaction], E=2.87 MeV/nucleon; measured Eγ, Iγ, scattered particle spectra, (particle)γ-coin, B(E2) using REX-ISOLDE, MINIBALL Ge array facility at CERN. 107In; deduced levels, J, π, B(E2). GOSIA2 analysis for Coulomb excitation. 58Ni; measured Eγ, Iγ, used known B(E2) for first 2+ state for normalization of data for 107In. Comparison with experimental B(E2) values for 113,115In, and with large-scale shell model calculations. 107Sn; observed γ ray spectrum.
doi: 10.1103/PhysRevC.87.017301
2013HE02 Phys.Scr. T152, 014006 (2013) Unveiling the many facets of the atomic nucleus: from Rutherford to exotic nuclei
doi: 10.1088/0031-8949/2013/T152/014006
2012SM05 Phys.Rev. C 86, 034314 (2012) N.A.Smirnova, K.Heyde, B.Bally, F.Nowacki, K.Sieja Nuclear shell evolution and in-medium NN interaction NUCLEAR STRUCTURE 16,18,20,22,28,36O, 24Ne, 26Mg, 34,42Si, 36,44S, 40,42,44,46,48Ca, 50Ti, 52Cr, 54Fe, 56Ni, 80,82,84,86,88,90Zr, 92Mo, 94Ru, 96Pd, 98Cd, 100Sn; calculated neutron and proton effective single-particle energies (ESPEs) based on an effective two-body shell-model interaction in sdpf shell-model space. Role of central and tensor terms in understanding evolution of the shell gaps at N=20 and N=28.
doi: 10.1103/PhysRevC.86.034314
2011GA35 Phys.Rev. C 84, 014331 (2011) J.E.Garcia-Ramos, V.Hellemans, K.Heyde Platinum nuclei: Concealed configuration mixing and shape coexistence NUCLEAR STRUCTURE 172,174,176,178,180,182,184,186,188,190,192,194Pt; calculated levels, J, π, unperturbed regular states, intruder states, g factors of first 2+ states, isotope shifts, rms charge radii. 174,180,186,192Pt; calculated unperturbed regular levels, intruder (2p-2h) levels, and levels with fully mixed configuration, B(E2), B(E2) ratios. 176,178,180Pt; calculated α-decay hindrance factors from the decay of 180,182,184Hg nuclei. Interacting boson model with configuration mixing (IBM-CM) calculations. Comparison with experimental data. 180,182,184,186,188,190,192,194,196,198,200,202,204,206,208Pb, 168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204Pt, 174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206Hg, 176Yb, 178Hf, 180W, 182Os; analyzed systematics of energy spectra of yrast and non-yrast levels.
doi: 10.1103/PhysRevC.84.014331
2011HE21 Rev.Mod.Phys. 83, 1467 (2011) Shape coexistence in atomic nuclei
doi: 10.1103/RevModPhys.83.1467
2011RA42 Phys.Rev. C 84, 064323 (2011) E.Rapisarda, I.Stefanescu, D.L.Balabanski, B.Bastin, A.Blazhev, N.Bree, M.Danchev, B.Bruyneel, T.Davinson, P.Delahaye, J.Diriken, J.Eberth, G.Georgiev, D.Fedorov, V.N.Fedosseev, E.Fiori, S.Franchoo, Ch.Fransen, K.Geibel, K.Gladnishki, K.Hadynska, H.Hess, K.Heyde, M.Huyse, O.Ivanov, J.Iwanicki, J.Jolie, M.Kalkuehler, Th.Kroll, R.Krucken, U.Koster, G.Lo Bianco, R.Lozeva, B.A.Marsh, S.Nardelli, F.Nowacki, N.Patronis, P.Reiter, M.Seidlitz, K.Sieja, N.Smirnova, J.Srebrny, J.Van de Walle, P.Van Duppen, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek, S.Zemlyanoi, M.Zielinska Coulomb excitation of the 3- isomer in 70Cu NUCLEAR REACTIONS 120Sn(70Cu, 70Cu'), [3- and 6- 70Cu beams from U(p, X), E=1.4 GeV], E=2.8 MeV/nucleon; measured Eγ, Iγ, γγ-coin, particle spectra of scattered projectile and recoiling target nuclei, particle-γ coin. 70Cu; deduced levels, J, π, transition matrix elements, B(E2), configurations. On-Line Isotope Mass Separator (CERN-ISOLDE) facility. Comparison with shell model calculations and with B(E2) values in 68,72Cu.
doi: 10.1103/PhysRevC.84.064323
2010BI03 Phys.Lett. B 690, 15 (2010) L.Bianco, R.D.Page, I.G.Darby, D.T.Joss, J.Simpson, J.S.Al-Khalili, A.J.Cannon, B.Cederwall, S.Eeckhaudt, S.Erturk, B.Gall, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, K.Heyde, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, E.S.Paul, M.Petri, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, N.A.Smirnova, A.N.Steer, P.D.Stevenson, E.B.Suckling, J.Thomson, J.Uusitalo, M.Venhart Discovery of 157W and 161Os NUCLEAR REACTIONS 106Cd(58Ni, 3n), E=290, 310 MeV; measured reaction products; deduced α spectra, α-branching, T1/2, fine structure, ground state J, π. RADIOACTIVITY 161Os(α), 157W(β+); measured decay products; deduced T1/2, β-branching. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2010.04.056
2010PA25 Phys.Rev. C 82, 027304 (2010) D.Pauwels, J.L.Wood, K.Heyde, M.Huyse, R.Julin, P.Van Duppen Pairing-excitation versus intruder states in 68Ni and 90Zr NUCLEAR STRUCTURE 68Ni, 90Zr; analyzed proton and neutron intruder 2p-2h, 0+ states, configurations and monopole strengths of E0 transitions using shell-model and spectroscopic factors from relevant particle-transfer reactions.
doi: 10.1103/PhysRevC.82.027304
2010SM02 Phys.Lett. B 686, 109 (2010) N.A.Smirnova, B.Bally, K.Heyde, F.Nowacki, K.Sieja Shell evolution and nuclear forces NUCLEAR STRUCTURE 28,36O, 34,42Si, 36S, 40,48,52,54,60Ca; calculated systematics of neutron effective single-particle and proton single-hole state energies. 27O, 33Si, 35S, 39Ca; calculated binding energy. Shell model with spin-tensor decomposition and realistic interaction.
doi: 10.1016/j.physletb.2010.02.051
2009AH01 Phys.Lett. B 679, 19 (2009); Erratum Phys.Lett. B 682, 490 (2010) T.Ahn, L.Coquard, N.Pietralla, G.Rainovski, A.Costin, R.V.F.Janssens, C.J.Lister, M.Carpenter, S.Zhu, K.Heyde Evolution of the one-phonon 21, ms mixed-symmetry state in N=80 isotones as a local measure for the proton-neutron quadrupole interaction NUCLEAR REACTIONS 12C(134Xe, 134Xe'), E=435 MeV; measured Eγ, Iγ, γγ-coin using DSA technique and the Gammasphere array. 134Xe; deduced levels, J, π, δ, B(E2), B(M1), related properties. Systematics of N=80, 82 isotones discussed.
doi: 10.1016/j.physletb.2009.06.066
2009DE11 Phys.Rev. C 79, 034305 (2009) S.De Baerdemacker, K.Heyde, V.Hellemans Spectral properties of a tractable collective Hamiltonian
doi: 10.1103/PhysRevC.79.034305
2009GA15 Nucl.Phys. A825, 39 (2009) The Pt isotopes: Comparing the Interacting Boson Model with configuration mixing and the extended consistent-Q formalism NUCLEAR STRUCTURE 172,174,176,178,180,182,184,186,188,190,192,194Pt; calculated level energies, B(E2), quadrupole moments and effect of intruder states using interacting boson model. Comparison with previous results and data.
doi: 10.1016/j.nuclphysa.2009.04.003
2009HE04 Nucl.Phys. A819, 11 (2009) V.Hellemans, P.Van Isacker, S.De Baerdemacker, K.Heyde Criticality in the configuration-mixed interacting boson model:(2) Q^(x1)Q^(x1)-Q^(x2)Q^(x2) mixing
doi: 10.1016/j.nuclphysa.2009.01.002
2009SC11 Phys.Rev.Lett. 103, 012501 (2009) W.Schwerdtfeger, P.G.Thirolf, K.Wimmer, D.Habs, H.Mach, T.R.Rodriguez, V.Bildstein, J.L.Egido, L.M.Fraile, R.Gernhauser, R.Hertenberger, K.Heyde, P.Hoff, H.Hubel, U.Koster, T.Kroll, R.Krucken, R.Lutter, T.Morgan, P.Ring Shape Coexistence Near Neutron Number N = 20: First Identification of the E0 Decay from the Deformed First Excited Jπ = 0+ State in 30Mg RADIOACTIVITY 30Na(β-); measured Eγ, Iγ; deduced J, π, monopole strength, partial E0 lifetime. Comparison with beyond mean field calculations.
doi: 10.1103/PhysRevLett.103.012501
2009VA01 Phys.Rev. C 79, 014309 (2009) J.Van de Walle, F.Aksouh, T.Behrens, V.Bildstein, A.Blazhev, J.Cederkall, E.Clement, T.E.Cocolios, T.Davinson, P.Delahaye, J.Eberth, A.Ekstrom, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, R.Gernhauser, G.Georgiev, D.Habs, K.Heyde, G.Huber, M.Huyse, F.Ibrahim, O.Ivanov, J.Iwanicki, J.Jolie, O.Kester, U.Koster, T.Kroll, R.Krucken, M.Lauer, A.F.Lisetskiy, R.Lutter, B.A.Marsh, P.Mayet, O.Niedermaier, M.Pantea, R.Raabe, P.Reiter, M.Sawicka, H.Scheit, G.Schrieder, D.Schwalm, M.D.Seliverstov, T.Sieber, G.Sletten, N.Smirnova, M.Stanoiu, I.Stefanescu, J.-C.Thomas, J.J.Valiente-Dobon, P.Van Duppen, D.Verney, D.Voulot, N.Warr, D.Weisshaar, F.Wenander, B.H.Wolf, M.Zielinska Low-energy Coulomb excitation of neutron-rich zinc isotopes NUCLEAR REACTIONS 120Sn(74Zn, 74Zn'), E=2.87 MeV/nucleon; 120Sn(76Zn, 76Zn'), E=2.83 MeV/nucleon; 108Pd(78ZN, 78Zn'), E=2.87 MeV/nucleon; 108Pd(80Zn, 80Zn'), E=2.79 MeV/nucleon; measured Eγ, Iγ, charged particle spectra, (particle)-γ coin, measured half-lives of first 2+ state, B(E2). 74,76,78,80Zn, 80Ga, 80Rb, 108Pd, 120Sn; deduced levels. Fe, Ni, Zn, Ge, Se; systematics of B(E2) values. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.79.014309
2009VA03 Phys.Rev. C 79, 024302 (2009) K.Van Houcke, S.M.A.Rombouts, K.Heyde, Y.Alhassid Microscopic calculation of symmetry projected nuclear level densities NUCLEAR STRUCTURE 55,56,57Fe; calculated level densities as a function of angular momentum, moments of inertia and pair correlation energies as a function of excitation energy. 56Fe; calculated parity-projected level densities and total quantum Monte Carlo densities as a function of excitation energy. Quantum Monte Carlo microscopic calculation of symmetry projected level densities.
doi: 10.1103/PhysRevC.79.024302
2008HE06 Phys.Rev. C 77, 064324 (2008) V.Hellemans, S.De Baerdemacker, K.Heyde Configuration mixing in the neutron-deficient 186-196Pb isotopes NUCLEAR STRUCTURE 188,190,192,194,196Pb; calculated levels, J, π, B(E2), weights of the IBM wave function, quadrupole deformations, mixing strengths between 0p-0h, 2p-2h, 4p-4h levels. Comparison with experimental data.
doi: 10.1103/PhysRevC.77.064324
2007BO01 Phys.Rev. C 75, 014316 (2007) N.Boelaert, N.Smirnova, K.Heyde, J.Jolie Shell model description of the low-lying states of the neutron deficient Cd isotopes NUCLEAR STRUCTURE 98,100,102,104,106Cd; calculated levels, J, π, B(E2), possible mixed-symmetry states. Shell model, comparison with data.
doi: 10.1103/PhysRevC.75.014316
2007BO17 Phys.Rev. C 75, 054311 (2007); Erratum Phys.Rev. C 77, 019901 (2008) N.Boelaert, A.Dewald, C.Fransen, J.Jolie, A.Linnemann, B.Melon, O.Moller, N.Smirnova, K.Heyde Low-spin electromagnetic transition probabilities in 102, 104Cd NUCLEAR REACTIONS 92Mo(12C, 2n), E=41 MeV; 94Mo(12C, 2n), E=42 MeV; measured Eγ, Iγ and lifetimes for low lying states using recoil distance Doppler shift technique. Deduced B(E2).
doi: 10.1103/PhysRevC.75.054311
2007DE09 Phys.Rev.Lett. 98, 112502 (2007) H.De Witte, A.N.Andreyev, N.Barre, M.Bender, T.E.Cocolios, S.Dean, D.Fedorov, V.N.Fedoseyev, L.M.Fraile, S.Franchoo, V.Hellemans, P.H.Heenen, K.Heyde, G.Huber, M.Huyse, H.Jeppesen, U.Koster, P.Kunze, S.R.Lesher, B.A.Marsh, I.Mukha, B.Roussiere, J.Sauvage, M.Seliverstov, I.Stefanescu, E.Tengborn, K.Van de Vel, J.Van de Walle, P.Van Duppen, Yu.Volkov Nuclear Charge Radii of Neutron-Deficient Lead Isotopes Beyond N = 104 Midshell Investigated by In-Source Laser Spectroscopy ATOMIC PHYSICS 182,183,183m,184,185,185m,186,187,187m,188,189,189m,190Pb; measured isotope shifts; deduced charge radii.
doi: 10.1103/PhysRevLett.98.112502
2007HE21 Acta Phys.Pol. B38, 1599 (2007) V.Hellemans, P.Van Isacker, S.De Baerdemacker, K.Heyde Phase Transitions in the Configuration Mixed Interacting Boson Model: U(5)-O(6) Mixing
2007HE27 Nucl.Phys. A789, 164 (2007), Erratum Nucl.Phys. A801, 80 (2008) V.Hellemans, P.Van Isacker, S.De Baerdemacker, K.Heyde Criticality in the configuration-mixed interacting boson model:(1) U(5)-Q(X) Q(X) mixing
doi: 10.1016/j.nuclphysa.2007.12.003
2007PA05 Phys.Rev. C 75, 014302 (2007) J.Pakarinen, V.Hellemans, R.Julin, S.Juutinen, K.Heyde, P.-H.Heenen, M.Bender, I.G.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.T.Greenlees, F.Johnston-Theasby, P.Jones, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, P.M.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth Investigation of nuclear collectivity in the neutron mid-shell nucleus 186Pb NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 186Pb deduced levels, J, π, rotational and vibrational bands, deformation. Recoil-decay tagging, interacting boson model and mean-field model calculations.
doi: 10.1103/PhysRevC.75.014302
2007ST03 Phys.Rev.Lett. 98, 122701 (2007) I.Stefanescu, G.Georgiev, F.Ames, J.Aysto, D.L.Balabanski, G.Bollen, P.A.Butler, J.Cederkall, N.Champault, T.Davinson, A.De Maesschalck, P.Delahaye, J.Eberth, D.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, K.Gladnishki, D.Habs, K.Heyde, M.Huyse, O.Ivanov, J.Iwanicki, J.Jolie, B.Jonson, Th.Kroll, R.Krucken, O.Kester, U.Koster, A.Lagoyannis, L.Liljeby, G.Lo Bianco, B.A.Marsh, O.Niedermaier, T.Nilsson, M.Oinonen, G.Pascovici, P.Reiter, A.Saltarelli, H.Scheit, D.Schwalm, T.Sieber, N.Smirnova, J.Van De Walle, P.Van Duppen, S.Zemlyanoi, N.Warr, D.Weisshaar, F.Wenander Coulomb Excitation of 68, 70Cu: First Use of Postaccelerated Isomeric Beams NUCLEAR REACTIONS 120Sn(68Cu, 68Cu'), (70Cu, 70Cu'), E=2.83 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 68,70Cu deduced transitions B(E2). Isomeric beams, comparison with large-scale shell model calculations.
doi: 10.1103/PhysRevLett.98.122701
2007VA20 Phys.Rev.Lett. 99, 142501 (2007) J.Van de Walle, F.Aksouh, F.Ames, T.Behrens, V.Bildstein, A.Blazhev, J.Cederkall, E.Clement, T.E.Cocolios, T.Davinson, P.Delahaye, J.Eberth, A.Ekstrom, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, R.Gernhauser, G.Georgiev, D.Habs, K.Heyde, G.Huber, M.Huyse, F.Ibrahim, O.Ivanov, J.Iwanicki, J.Jolie, O.Kester, U.Koster, T.Kroll, R.Krucken, M.Lauer, A.F.Lisetskiy, R.Lutter, B.A.Marsh, P.Mayet, O.Niedermaier, T.Nilsson, M.Pantea, O.Perru, R.Raabe, P.Reiter, M.Sawicka, H.Scheit, G.Schrieder, D.Schwalm, M.D.Seliverstov, T.Sieber, G.Sletten, N.Smirnova, M.Stanoiu, I.Stefanescu, J.-C.Thomas, J.J.Valiente-Dobon, P.Van Duppen, D.Verney, D.Voulot, N.Warr, D.Weisshaar, F.Wenander, B.H.Wolf, M.Zielinska Coulomb Excitation of Neutron-Rich Zn Isotopes: First Observation of the 2+1 State in 80Zn NUCLEAR REACTIONS 108Pd, 120Sn(74Zn, 74Zn'), (76Zn, 76Zn'), (78Zn, 78Zn'), (80Zn, 80Zn'), E=2.79-2.87 MeV/nucleon; measured Eγ, Iγ. 74,76,78,80Zn deduced B(E2).
doi: 10.1103/PhysRevLett.99.142501
2006DE13 Nucl.Phys. A769, 16 (2006) S.De Baerdemacker, L.Fortunato, V.Hellemans, K.Heyde Solution of the Bohr Hamiltonian for a periodic potential with minimum at γ=π/6
doi: 10.1016/j.nuclphysa.2006.01.016
2006FO09 Phys.Rev. C 74, 014310 (2006) L.Fortunato, S.De Baerdemacker, K.Heyde Solution of the Bohr Hamiltonian for soft triaxial nuclei NUCLEAR STRUCTURE 172,174,176,178,180,184,186,188,190,192Os; calculated band-head energies, deformation, related parameters. 188,192Os; calculated levels, J, π. Bohr-Mottelson model, comparison with data and previous calculations.
doi: 10.1103/PhysRevC.74.014310
2006GE18 Int.J.Mod.Phys. E15, 1505 (2006) G.Georgiev, I.Stefanescu, D.L.Balabanski, P.Butler, J.Cederkall, T.Davinson, P.Delahaye, V.N.Fedosseev, L.M.Fraile, S.Franchoo, K.Gladnishki, K.Heyde, M.Huyse, O.Ivanov, J.Iwanicki, Th.Kroll, U.Koster, A.Lagoyannis, G.Lo Bianco, A.De Maesschalck, A.Saltarelli, T.Sieber, N.Smirnov, P.Van Duppen, N.Warr, F.Wenander, J.van de Walle, and the REX-ISOLDE and MINIBALL Collaborations First use of post-accelerated isomeric beams for Coulomb excitations studies of odd-odd nuclei around N=40 NUCLEAR REACTIONS 120Sn(68Cu, 68Cu'), (70Cu, 70Cu'), E=2.86 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 68,70Cu deduced transitions B(E2). Isomeric beams.
doi: 10.1142/S0218301306005095
2006NE06 Phys.Rev.Lett. 97, 062502 (2006) A.Negret, T.Adachi, B.R.Barrett, C.Baumer, A.M.van den Berg, G.P.A.Berg, P.von Brentano, D.Frekers, D.De Frenne, H.Fujita, K.Fujita, Y.Fujita, E.-W.Grewe, P.Haefner, M.N.Harakeh, K.Hatanaka, K.Heyde, M.Hunyadi, E.Jacobs, Y.Kalmykov, A.Korff, K.Nakanishi, P.Navratil, P.von Neumann-Cosel, L.Popescu, S.Rakers, A.Richter, N.Ryezayeva, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, Y.Tameshige, A.Tamii, M.Uchida, J.Vary, H.J.Wortche, M.Yosoi, L.Zamick Gamow-Teller Strengths in the A = 14 Multiplet: A Challenge to the Shell Model NUCLEAR REACTIONS 14N(d, 2p), E=175 MeV; 14N(3He, t), E=420 MeV; measured excitation energy spectra, σ(E, θ); deduced Gamow-Teller strength distributions. Comparison with no-core shell model predictions.
doi: 10.1103/PhysRevLett.97.062502
2005FO02 Acta Phys.Pol. B36, 1351 (2005) R.Fossion, V.Hellemans, S.De Baerdemacker, K.Heyde Shape coexistence in the lead isotopes using algebraic models: description of spectroscopic and ground-state related properties NUCLEAR STRUCTURE 186,188,190,192,194,196Pb; calculated levels, J, π, two-neutron separation energies. Interacting boson model, three-configuration mixing.
2005FO16 Eur.Phys.J. A 25, Supplement 1, 439 (2005) L.Fortunato, S.De Baerdemacker, K.Heyde Soft triaxial rotor in the vicinity of γ = π/6 and its extensions
doi: 10.1140/epjad/i2005-06-018-0
2005GA58 Eur.Phys.J. A 26, 221 (2005) J.E.Garcia-Ramos, K.Heyde, R.Fossion, V.Hellemans, S.De Baerdemacker A theoretical description of energy spectra and two-neutron separation energies for neutron-rich zirconium isotopes NUCLEAR STRUCTURE 94,96,98,100,102,104Zr; calculated level energies, B(E2), two-neutron separation energies. Interacting boson model.
doi: 10.1140/epja/i2005-10176-1
2005HE09 Phys.Rev. C 71, 034308 (2005) V.Hellemans, R.Fossion, S.De Baerdemacker, K.Heyde Configuration mixing in 188Pb: Band structure and electromagnetic properties NUCLEAR STRUCTURE 188Pb; calculated rotational bands level energies, J, π, B(E2), monopole transition strengths, quadrupole moments, deformation, configuration mixing features. Interacting boson model, collective rotational model, comparisons with data.
doi: 10.1103/PhysRevC.71.034308
2005JA07 Phys.Rev. C 71, 034604 (2005) N.Jachowicz, K.Vantournhout, J.Ryckebusch, K.Heyde Spin-dependent neutrino-induced nucleon knockout NUCLEAR REACTIONS 16O, 208Pb(ν, ν'n), (ν, ν'p), E=0-500 MeV; calculated σ(E, θ), polarization asymmetries.
doi: 10.1103/PhysRevC.71.034604
2005JA16 Nucl.Phys. A758, 51c (2005) N.Jachowicz, K.Vantournhout, K.Heyde, J.Ryckebusch Detecting supernova neutrinos using neutrino-nucleus scattering reactions NUCLEAR REACTIONS 208Pb(ν, X), E=25, 50, 75, 100 MeV; calculated nucleon knock-out σ(θ), polarization dependence.
doi: 10.1016/j.nuclphysa.2005.05.014
2005PA42 Phys.Rev. C 72, 011304 (2005) J.Pakarinen, I.G.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.T.Greenlees, V.Hellemans, K.Heyde, F.Johnston-Theasby, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, P.M.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth Evidence for oblate structure in 186Pb NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 186Pb deduced levels, J, π, oblate deformation. Jurogam array, recoil-decay tagging, interacting boson model calculations.
doi: 10.1103/PhysRevC.72.011304
2005VA19 Phys.Rev. C 71, 054307 (2005) J.Van Roosbroeck, H.De Witte, M.Gorska, M.Huyse, K.Kruglov, D.Pauwels, J.-Ch.Thomas, K.Van de Vel, P.Van Duppen, S.Franchoo, J.Cederkall, V.N.Fedoseyev, H.Fynbo, U.Georg, O.Jonsson, U.Koster, L.Weissman, W.F.Mueller, V.I.Mishin, D.Fedorov, A.De Maesschalck, N.A.Smirnova, K.Heyde Evolution of the nuclear structure approaching 78Ni: β decay of 74-78Cu RADIOACTIVITY 74,76,78Cu(β-); 78Cu(β-n) [from 238U(n, F), (p, F)]; measured Eγ, Iγ, βγ-coin, T1/2. 74,76,77,78Zn deduced levels, J, π, configurations. Mass separator, comparisons with model predictions.
doi: 10.1103/PhysRevC.71.054307
2004AN07 Phys.Rev. C 69, 054308 (2004) A.N.Andreyev, D.Ackermann, F.P.Hessberger, K.Heyde, S.Hofmann, M.Huyse, D.Karlgren, I.Kojouharov, B.Kindler, B.Lommel, G.Munzenberg, R D.Page, K.Van de Vel, P.Van Duppen, W.B.Walters, R.Wyss Shape-changing particle decays of 185Bi and structure of the lightest odd-mass Bi isotopes RADIOACTIVITY 185Bi(p), (α) [from 93Nb(95Mo, 3n)]; measured Ep, Eα, T1/2, branching ratios. 185Bi deduced levels, configurations, deformation. 184Pb, 181Tl, 181Hg(α) [from 185Bi decay]; analyzed α-spectra; deduced branching ratios. NUCLEAR REACTIONS 93Nb(95Mo, 3n), E=438 MeV; measured particle spectra from residual nucleus decay; deduced approximate σ. NUCLEAR STRUCTURE 185,187,189,191,193,195Bi; calculated level energies, potential energy surfaces.
doi: 10.1103/PhysRevC.69.054308
2004HE12 Phys.Rev. C 69, 054304 (2004) K.Heyde, J.Jolie, R.Fossion, S.De Baerdemacker, V.Hellemans Phase transitions versus shape coexistence NUCLEAR STRUCTURE 110Ru, 114Cd, 118Te, 122Ba, 182,184,186,188,190,192,194,196,198,200,202,204,206Pb; analyzed levels, J, π, B(E2), phase transition and shape coexistence features.
doi: 10.1103/PhysRevC.69.054304
2004JA12 Phys.Rev.Lett. 93, 082501 (2004) N.Jachowicz, K.Vantournhout, J.Ryckebusch, K.Heyde Identifying Neutrinos and Antineutrinos in Neutral-Current Scattering Reactions NUCLEAR REACTIONS 16O, 208Pb(ν, nX), (ν, pX), E=50-500 MeV; calculated induced polarization; deduced asymmetries between neutrino-induced and antineutrino-induced processes.
doi: 10.1103/PhysRevLett.93.082501
2004SM03 Phys.Rev. C 69, 044306 (2004) N.A.Smirnova, A.De Maesschalck, A.Van Dyck, K.Heyde Shell-model description of monopole shift in neutron-rich Cu NUCLEAR STRUCTURE 57,59,61,63,65,67,69,71,73,75,77Cu; calculated level energies, spectroscopic factors, monopole shift. Shell model, comparison with data.
doi: 10.1103/PhysRevC.69.044306
2004VA07 Phys.Rev.Lett. 92, 112501 (2004) J.Van Roosbroeck, C.Guenaut, G.Audi, D.Beck, K.Blaum, G.Bollen, J.Cederkall, P.Delahaye, A.De Maesschalck, H.De Witte, D.Fedorov, V.N.Fedoseyev, S.Franchoo, H.O.U.Fynbo, M.Gorska, F.Herfurth, K.Heyde, M.Huyse, A.Kellerbauer, H.-J.Kluge, U.Koster, K.Kruglov, D.Lunney, V.I.Mishin, W.F.Mueller, Sz.Nagy, S.Schwarz, L.Schweikhard, N.A.Smirnova, K.Van de Vel, P.Van Duppen, A.Van Dyck, W.B.Walters, L.Weissman, C.Yazidjian Unambiguous Identification of Three β-Decaying Isomers in 70Cu RADIOACTIVITY 70Ni(β-); 70mCu(β-), (IT) [from U(p, F) and subsequent decay]; measured Eγ, Iγ, T1/2; deduced log ft. 70Cu deduced levels J, π, configurations. Large scale shell model calculations. ATOMIC MASSES 70mCu; measured isomeric states mass excesses. Penning trap.
doi: 10.1103/PhysRevLett.92.112501
2004VA08 Phys.Rev. C 69, 034313 (2004) J.Van Roosbroeck, H.De Witte, M.Gorska, M.Huyse, K.Kruglov, K.Van de Vel, P.Van Duppen, S.Franchoo, J.Cederkall, V.N.Fedoseyev, H.Fynbo, U.Georg, O.Jonsson, U.Koster, L.Weissman, W.F.Mueller, V.I.Mishin, D.Fedorov, W.B.Walters, N.A.Smirnova, A.Van Dyck, A.De Maesschalck, K.Heyde, and the IS365 and ISOLDE Collaborations Coupling a proton and a neutron to the semidoubly magic nucleus 68Ni: A study of 70Cu via the β decay of 70Ni and 70Cu RADIOACTIVITY 70Ni, 70Cu(β-); measured Eγ, Iγ, βγ-coin; deduced log ft. 70Cu, 70Zn levels deduced β-branching ratios. 70Cu deduced isomeric states J, π, T1/2. In-source laser spectroscopy, shell model analysis.
doi: 10.1103/PhysRevC.69.034313
2003AN26 Eur.Phys.J. A 18, 39 (2003) A.N.Andreyev, D.Ackermann, S.Antalic, H.J.Boardman, P.Cagarda, J.Gerl, F.P.Hessberger, S.Hofmann, M.Huyse, D.Karlgren, A.Keenan, H.Kettunen, A.Kleinbohl, B.Kindler, I.Kojouharov, A.Lavrentiev, C.D.O'Leary, M.Leino, B.Lommel, M.Matos, C.J.Moore, G.Munzenberg, R.D.Page, S.Reshitko, S.Saro, H.Schaffner, C.Schlegel, M.J.Taylor, K.Van de Vel, P.Van Duppen, L.Weissman, K.Heyde α-decay spectroscopy of light odd-odd Bi isotopes - I: 188, 190Bi nuclei RADIOACTIVITY 188,190Bi(α) [from 142Nd(50Cr, 3np), (52Cr, 3np), (52Cr, 5np)]; measured Eα, Eγ, (X-ray)α-, γα-coin, T1/2 following α-decay of ground and isomeric states. 184,186Tl deduced levels, J, π, configurations.
doi: 10.1140/epja/i2003-10050-2
2003AN27 Eur.Phys.J. A 18, 55 (2003) A.N.Andreyev, D.Ackermann, F.P.Hessberger, S.Hofmann, M.Huyse, I.Kojouharov, B.Kindler, B.Lommel, G.Munzenberg, R.D.Page, K.Van de Vel, P.Van Duppen, K.Heyde α-decay spectroscopy of light odd-odd Bi isotopes - II: 186Bi and the new nuclide 184Bi RADIOACTIVITY 184,186Bi(α) [from 93Nb(94Mo, 3n), (95Mo, 2n)]; measured Eα, Eγ, αγ-coin, T1/2. 180Tl(α) [from 184Bi decay]; measured α-branching ratio.
doi: 10.1140/epja/i2003-10051-1
2003AR07 Nucl.Phys. A720, 71 (2003) S.Aroua, P.Navratil, L.Zamick, M.S.Fayache, B.R.Barrett, J.P.Vary, K.Heyde Allowed Gamow-Teller excitations from the ground state of 14N NUCLEAR REACTIONS 14N(d, 2p), E not given; calculated Gamow-Teller transition strengths to ground and excited states, role of two-particle spin-orbit and tensor forces. NUCLEAR STRUCTURE 14C, 14N; calculated levels, J, π. Shell model, comparison with data.
doi: 10.1016/S0375-9474(03)00746-2
2003FO02 Phys.Rev. C 67, 024306 (2003) R.Fossion, K.Heyde, G.Thiamova, P.Van Isacker Intruder bands and configuration mixing in lead isotopes NUCLEAR STRUCTURE 186,188,190,192,194,196Pb; calculated levels, J, π, configurations. Interacting boson model, three-configuration mixing calculation, comparisons with data.
doi: 10.1103/PhysRevC.67.024306
2003JA14 Phys.Rev. C 68, 055502 (2003) Influence of supernova-neutrino spectra on the neutrino signal in a terrestrial detector NUCLEAR REACTIONS 208Pb(ν, ν'), E=spectrum; calculated σ(E), sensitivity to incident neutrino spectrum.
doi: 10.1103/PhysRevC.68.055502
2002FO02 Nucl.Phys. A697, 703 (2002) R.Fossion, C.De Coster, J.E.Garcia-Ramos, T.Werner, K.Heyde Nuclear Binding Energies: Global collective structure and local shell-model correlations NUCLEAR STRUCTURE Z=50-82; analyzed binding energies, two-neutron separation energies; deduced possible shell, deformation, or configuration-mixing effects. Liquid drop model, shell model, interacting boson model.
doi: 10.1016/S0375-9474(01)01270-2
2002FO04 Phys.Rev. C65, 044309 (2002) R.Fossion, C.De Coster, J.E.Garcia-Ramos, K.Heyde Proton-Neutron Quadrupole Interactions: An effective contribution to the pairing field
doi: 10.1103/PhysRevC.65.044309
2002HE07 Eur.Phys.J. A 13, 401 (2002) K.Heyde, R.Fossion, J.E.Garcia-Ramos, C.De Coster, R.F.Casten Differences between Pairing and Zero-Range Effective Interactions for Nuclear Binding Energies
doi: 10.1007/s10050-002-8769-2
2002JA03 Phys.Rev. C65, 025501 (2002) N.Jachowicz, K.Heyde, J.Ryckebusch, S.Rombouts Continuum Random Phase Approximation Approach in Charged-Current Neutrino-Nucleus Scattering NUCLEAR REACTIONS 12C, 16O(μ-, ν), (ν, e), (ν, μ), E not given; calculated σ. 12C(ν, ν'), (ν, e), (ν-bar, e+), E=50 MeV; 12C(ν, μ-), E=spectrum; calculated σ(E, θ). Continuum RPA, comparisons with data.
doi: 10.1103/PhysRevC.65.025501
2002JA13 Prog.Part.Nucl.Phys. 48, 39 (2002) Supernova-Neutrino Detection and the 208Pb(ν, ν')208Pb* Cross Section NUCLEAR REACTIONS 208Pb(ν, ν'), E=50 MeV; calculated σ(E). Continuum RPA approach.
doi: 10.1016/S0146-6410(02)00109-6
2002JA18 Phys.Rev. C 66, 055501 (2002) N.Jachowicz, K.Heyde, J.Ryckebusch Cross sections for neutral-current neutrino scattering on 208Pb NUCLEAR REACTIONS 208Pb(ν, ν'), E=50 MeV; calculated neutral-current σ(E, θ), multipole contributions. 208Pb(ν, ν'), E=10-120 MeV; calculated neutral-current σ. 208Pb(ν, ν'p), (ν, ν'n), E not given; calculate branching ratios. Continuum RPA approach.
doi: 10.1103/PhysRevC.66.055501
2002VY03 Phys.Lett. 538B, 33 (2002) K.Vyvey, A.M.Oros-Peusquens, G.Neyens, D.L.Balabanski, D.Borremans, S.Chmel, N.Coulier, R.Coussement, G.Georgiev, H.Hubel, N.Nenoff, D.Rossbach, S.Teughels, K.Heyde Quadrupole Moments of the 11- Intruder Isomers in 194, 196Pb in the Particle-Core Coupling Model NUCLEAR STRUCTURE 198,200,204,206,208,210Po, 194,196,200,202,204,206Pb; analyzed isomeric states quadrupole moments; deduced configurations.
doi: 10.1016/S0370-2693(02)01950-0
2001AN07 Nucl.Phys. A682, 482c (2001) A.N.Andreyev, M.Huyse, P.Van Duppen, L.Weissman, D.Ackermann, J.Gerl, F.P.Hessberger, S.Hofmann, A.Kleinbohl, G.Munzenberg, S.Reshitko, C.Schlegel, H.Schaffner, P.Cagarda, M.Matos, S.Saro, A.Keenan, C.J.Moore, C.D.O'Leary, R.D.Page, M.J.Taylor, H.Kettunen, M.Leino, A.Lavrentiev, R.Wyss, K.Heyde The Discovery of a Prolate-Spherical Shape Triple of Spin 0+ States in the Atomic Nucleus 186Pb RADIOACTIVITY 190Po(α) [from 142Nd(52Cr, 4n)]; measured Eα, Iα, (ce)α-coin; deduced reduced α-decay widths, hindrance factors. 186Po deduced levels, J, π, shape coexistence features.
doi: 10.1016/S0375-9474(00)00676-X
2001GA33 Nucl.Phys. A688, 735 (2001) J.E.Garcia-Ramos, C.De Coster, R.Fossion, K.Heyde Two-Neutron Separation Energies, Binding Energies and Phase Transitions in the Interacting Boson Model NUCLEAR STRUCTURE Sm, Gd, Ru, Pd, Os, Pt; calculated binding energies. 150,152,154,156,158,160,162Gd, 100,102,104,106,108,110,112Pd, 184,186,188,190,192,194,196Pt; calculated level energies, two-neutron separation energies. Interacting boson model, comparisons with data.
doi: 10.1016/S0375-9474(00)00592-3
2001HE23 Nucl.Phys. A690, 3c (2001) From Shell-Model Correlations to Collective Modes of Motion
doi: 10.1016/S0375-9474(01)00926-5
2001JA12 Nucl.Phys. A688, 593c (2001) N.Jachowicz, K.Heyde, S.Rombouts Many-Body Description of Neutrino-Nucleus Interactions NUCLEAR REACTIONS 12C(ν, μ-)12N, E=150 MeV; calculated σ(θ). 12C, 16O(ν, ν'), E not given; calculated σ averaged over a Fermi-Dirac ν energy distribution and as function of stellar temperature. Continuum Random Phase Approximation method.
doi: 10.1016/S0375-9474(01)00799-0
2001SC41 Nucl.Phys. A693, 533 (2001) S.Schwarz, F.Ames, G.Audi, D.Beck, G.Bollen, C.De Coster, J.Dilling, O.Engels, R.Fossion, J.-E.Garcia Ramos, S.Henry, F.Herfurth, K.Heyde, A.Kellerbauer, H.-J.Kluge, A.Kohl, E.Lamour, D.Lunney, I.Martel, R.B.Moore, M.Oinonen, H.Raimbault-Hartmann, C.Scheidenberger, G.Sikler, J.Szerypo, C.Weber, and the ISOLDE Collaboration Accurate Masses of Neutron-Deficient Nuclides Close to Z = 82 ATOMIC MASSES 179,180,181,182,183,184,185,185m,186,187,187m,188,189m,190,191,191m,192,193,193m,194,195,196,197,197m,200Hg, 196,198,204Pb, 197Bi, 198Po, 203At; measured masses. Penning trap.
doi: 10.1016/S0375-9474(01)00881-8
2000AN14 Nature(London) 405, 430 (2000) A.N.Andreyev, M.Huyse, P.Van Duppen, L.Weissman, D.Ackermann, J.Gerl, F.P.Hessberger, S.Hofmann, A.Kleinbohl, G.Munzenberg, S.Reshitko, C.Schlegel, H.Schaffner, P.Cagarda, M.Matos, S.Saro, A.Keenan, C.Moore, C.D.O'Leary, R.D.Page, M.Taylor, H.Kettunen, M.Leino, A.Lavrentiev, R.Wyss, K.Heyde A Triplet of Differently Shaped Spin-Zero States in the Atomic Nucleus 186Pb RADIOACTIVITY 190Po(α) [from 142Nd(52Cr, 4n)]; measured Eα, Iα, (ce)α-coin; deduced reduced α-decay widths. 186Pb deduced levels, J, π, spherical-oblate-prolate deformation triplet. Comparison with model predictions.
doi: 10.1038/35013012
2000DE28 Phys.Rev. C61, 067306 (2000) C.De Coster, B.Decroix, K.Heyde Evidence for Proton Four-Particle-Four-Hole Intruder Excitations in Neutron Deficient Nuclei in the Pb Region NUCLEAR STRUCTURE 184,186,188,190Pb; analyzed levels, J, π; deduced four-particle four-hole configuration.
doi: 10.1103/PhysRevC.61.067306
2000DE44 Phys.Scr. T88, 33 (2000) C.De Coster, B.Decroix, J.De Beule, K.Heyde An Algebraic Approach to Shape Coexistence: New symmetries and applications NUCLEAR STRUCTURE 192,194,196,198,200,202,204,206,208,210Po; calculated levels, J, π, configurations, shape coexistence properties. Extended IBM approach.
doi: 10.1238/Physica.Topical.088a00033
2000HE23 Hyperfine Interactions 127, 65 (2000) K.Heyde, J.De Beule, B.Decroix, C.De Coster Shape coexistence in atomic nuclei and its spectroscopic fingerprints NUCLEAR STRUCTURE Pt, Hg, Pb, Po; analyzed level energy systematics, shape coexistence features.
doi: 10.1023/A:1012698224101
2000KA07 Phys.Rev. C61, 034307 (2000) M.Kadi, P.E.Garrett, M.Yeh, S.W.Yates, T.Belgya, A.M.Oros-Peusquens, K.Heyde Decay Properties of States Populated with the 207Pb(n, n'γ) Reaction and Weak Coupling in 207Pb NUCLEAR REACTIONS 207Pb(n, n'γ), E=2.5-4.6 MeV; measured Eγ, Iγ(θ), γγ-coin, DSA; deduced γ-ray excitation functions. 207Pb deduced levels, J, π, configurations, T1/2, B(E1). Particle-core model.
doi: 10.1103/PhysRevC.61.034307
1999BA45 Eur.Phys.J. A 5, 49 (1999) J.C.Batchelder, K.S.Toth, C.R.Bingham, L.T.Brown, L.F.Conticchio, C.N.Davids, R.J.Irvine, D.Seweryniak, W.B.Walters, J.Wauters, E.F.Zganjar, J.L.Wood, C.De Coster, B.Decroix, K.Heyde Behavior of Intruder Based States in Light Bi and Tl Isotopes: The study of 187Bi α Decay RADIOACTIVITY 187Bi(α) [from 97Mo(92Mo, np)]; measured Eα, Iα, T1/2. 183Tl deduced levels, possible J, π. 187Bi deduced excited level. Fragment mass analyzer. Neutron intruder state systematics discussed.
doi: 10.1007/s100500050255
1999DE13 J.Phys.(London) G25, 671 (1999) C.De Coster, J.De Beule, B.Decroix, K.Heyde, A.M.Oros, P.Van Isacker An Algebraic Approach to Shape Coexistence
doi: 10.1088/0954-3899/25/4/017
1999DE15 J.Phys.(London) G25, 855 (1999) B.Decroix, C.De Coster, K.Heyde, A.M.Oros, J.De Beule, P.Van Isacker The Extended Proton-Neutron Interacting Boson Model and Possible Applications NUCLEAR STRUCTURE 16O, 24Mg; calculated levels, J, π; deduced SU(4) symmetry features. Extended proton-neutron IBM.
doi: 10.1088/0954-3899/25/4/054
1999DE16 Nucl.Phys. A651, 31 (1999) C.De Coster, B.Decroix, K.Heyde, J.Jolie, H.Lehmann, J.L.Wood Particle-Hole Excitations in the Interacting Boson Model (IV). The U(5)-SU(3) Coupling NUCLEAR STRUCTURE 192,194,195,196,198,200,202Po; calculated levels, J, π. Extended IBM, U(5)-SU(3) coupling.
doi: 10.1016/S0375-9474(99)00124-4
1999JA06 Phys.Rev. C59, 3246 (1999) N.Jachowicz, S.Rombouts, K.Heyde, J.Ryckebusch Cross Sections for Neutral-Current Neutrino-Nucleus Interactions: Applications for 12C and 16O NUCLEAR REACTIONS 12C, 16O(ν, ν'), E=50 MeV; calculated σ(ω), multipole contributions. RPA approach.
doi: 10.1103/PhysRevC.59.3246
1999OR01 Nucl.Phys. A645, 107 (1999) A.M.Oros, K.Heyde, C.De Coster, B.Decroix, R.Wyss, B.R.Barrett, P.Navratil Shape Coexistence in the Light Po Isotopes NUCLEAR STRUCTURE 192,194,196,198,200,202,204,206,208,210Po; calculated levels, J, π, potential energy surfaces; deduced shape coexistence effects. Particle-core model, two-state mixing.
doi: 10.1016/S0375-9474(98)00602-2
1999RO06 Phys.Rev.Lett. 82, 4155 (1999) S.M.A.Rombouts, K.Heyde, N.Jachowicz Quantum Monte Carlo Method for Fermions, Free of Discretization Errors
doi: 10.1103/PhysRevLett.82.4155
1999WO07 Nucl.Phys. A651, 323 (1999) J.L.Wood, E.F.Zganjar, C.De Coster, K.Heyde Electric Monopole Transitions from Low Energy Excitations in Nuclei NUCLEAR STRUCTURE A=12-238; compiled, analyzed electric monopole transition strengths; deduced role of deformation, shape coexistence.
doi: 10.1016/S0375-9474(99)00143-8
1998DE18 Phys.Rev. C57, 2329 (1998) B.Decroix, J.De Beule, C.De Coster, K.Heyde, A.M.Oros, P.Van Isacker Particle-Hole Excitations in the Interacting Boson Models IBM-2 and IBM-3
doi: 10.1103/PhysRevC.57.2329
1998DE30 Phys.Rev. C58, 232 (1998) B.Decroix, C.De Coster, K.Heyde, A.M.Oros, J.De Beule 1+ Mixed Symmetry States and Dipole Transitions in the Extended Proton-Neutron Interacting Boson Model
doi: 10.1103/PhysRevC.58.232
1998DE47 Phys.Lett. 439B, 237 (1998) B.Decroix, J.De Beule, C.De Coster, K.Heyde SU(4) Symmetry in the Extended Proton-Neutron Interacting Boson Model: Multiplets and symmetry breaking NUCLEAR STRUCTURE 16O, 24Mg; calculated levels, J, π; deduced SU(4) symmetry related features. Extended interacting boson model.
doi: 10.1016/S0370-2693(98)01083-1
1998OR01 Phys.Rev. C57, 990 (1998) A.M.Oros, K.Heyde, C.De Coster, B.Decroix Local Electric Dipole Strength in Heavy Nuclei NUCLEAR STRUCTURE 116Sn; calculated single-particle energies, E1 strength distributions; deduced local dipole states. Two-group RPA model.
doi: 10.1103/PhysRevC.57.990
1998RO01 Phys.Rev.Lett. 80, 885 (1998) Comment on ' Monte Carlo Computation of Pair Correlations in Excited Nuclei '
doi: 10.1103/PhysRevLett.80.885
1998RO30 Phys.Rev. C58, 3295 (1998) S.Rombouts, K.Heyde, N.Jachowicz Thermodynamical Properties of a Mean-Field Plus Pairing Model and Applications for the Fe Nuclei NUCLEAR STRUCTURE 56Fe; calculated thermodynamical properties; deduced pairing-related phase transition. Finite-temperature quantum Monte Carlo method.
doi: 10.1103/PhysRevC.58.3295
1998WH05 Nucl.Phys. A640, 322 (1998) G.White, J.Rikovska, N.J.Stone, J.Copnell, I.S.Towner, A.M.Oros, K.Heyde, B.Fogelberg, L.Jacobsson, F.Gustavsson Magnetic Dipole Moments Near 132Sn: Measurement on isomeric 11/2- states in odd-A 131Te and 133Te by NMR/ON RADIOACTIVITY 131,133Te(β-) [from 233U(n, F)]; measured Eγ, Iγ(θ, T, H), NMR on oriented nuclei. 131,133Te deduced isomeric states g, μ. Shell model, core polarization, mesonic exchange currents, particle-core coupling model.
doi: 10.1016/S0375-9474(98)00461-8
1997DE28 Nucl.Phys. A621, 802 (1997) C.De Coster, B.Decroix, K.Heyde, J.L.Wood, J.Jolie, H.Lehmann Particle-Hole Excitations in the Interacting Boson Model (III): The O(6)-SU(3) coupling NUCLEAR STRUCTURE 180,182,184,186Os, 184,186,188,190Po, 180,178W, 190,192,182,184Pt, 196,194,188,186Pb, 192,190Rn, 196Th; calculated levels. 182,184,186,188,190,192,194,196,198Pt; calculated g factors. Extended interacting boson model.
doi: 10.1016/S0375-9474(97)00195-4
1997HE04 Phys.Lett. 392B, 7 (1997) Electric Dipole Transitions Near the Z = 50 and N = 82 Closed Shells NUCLEAR STRUCTURE Z=50; N=82; analyzed E1 transition related features; deduced 1p-1h admixtures role at the tail of GDR.
doi: 10.1016/S0370-2693(96)01611-5
1997LE16 Nucl.Phys. A621, 767 (1997) H.Lehmann, J.Jolie, C.De Coster, B.Decroix, K.Heyde, J.L.Wood Particle-Hole Excitations in the Interacting Boson Model (II): The U(5)-O(6) coupling NUCLEAR STRUCTURE 108,110,112,114Cd, 112,114,116,118Te, 114Cd, 122Ba; calculated levels, B(λ). Extended interacting boson model.
doi: 10.1016/S0375-9474(97)00196-6
1997OR01 Nucl.Phys. A613, 209 (1997) A.M.Oros, P.von Brentano, R.V.Jolos, L.Trache, G.Graw, G.Cata-Danil, B.D.Valnion, A.Gollwitzer, K.Heyde New 0+ States in 146Sm from a (p, t) Experiment and the Particle-Core Coupling Model NUCLEAR REACTIONS 148Sm(p, t), E=26 MeV; measured σ(θ). 146Sm deduced levels, J, π. Particle-core coupling calculations. Enriched targets.
doi: 10.1016/S0375-9474(96)00437-X
1997RO11 Nucl.Phys. A621, 371c (1997) Calculation of Neutrino-Nucleus Scattering Cross-Sections Relevant for Supernova Processes
doi: 10.1016/S0375-9474(97)00273-X
1997RY01 Nucl.Phys. A624, 581 (1997) J.Ryckebusch, V.Van der Sluys, K.Heyde, H.Holvoet, W.Van Nespen, M.Waroquier, M.Vanderhaeghen Electroinduced Two-Nucleon Knockout and Correlations in Nuclei NUCLEAR REACTIONS 12C(e, e'2p), (e, e'np), E=700 MeV; 16O(e, e'2p), (e, e'np), E=1.2 GeV; calculated σ(θ), pn(θ), pp(θ); 12C(e, e'pX), (γ, pX), E ≈ 200 MeV; analyzed σ(θ) vs missing energy; deduced reaction mechanisms relative importance.
doi: 10.1016/S0375-9474(97)00385-0
1997ST06 Phys.Rev.Lett. 78, 820 (1997) N.J.Stone, D.Doran, M.Lindroos, J.Rikovska, M.Veskovic, G.White, D.A.Williams, B.Fogelberg, L.Jacobsson, I.S.Towner, K.Heyde Magnetic Moments of Odd-A Sb Isotopes to 133Sb: Significant evidence for mesonic exchange current contributions and on core collective g factors RADIOACTIVITY 129,131,133Sb(β-) [from 235U(n, F), E=thermal]; measured NMR, oriented nuclei; deduced μ, meson exchange effects role. Particle-core coupling model.
doi: 10.1103/PhysRevLett.78.820
1997VA07 Phys.Rev. C55, 1982 (1997) V.Van der Sluys, K.Heyde, J.Ryckebusch, M.Waroquier Systematic Study of Coulomb Distortion Effects in Exclusive (e, e'p) Reactions NUCLEAR REACTIONS 16O(e, e'p), E=455.8 MeV; 40Ca(e, e'p), E=460 MeV; 90Zr(e, e'p), E=346.5, 350.7 MeV; 208Pb(e, e'p), E=412.3 MeV; analyzed reduced σ vs missing momentum. 15N, 39K, 89Y, 207Tl levels deduced spectroscopic factors. CDWBA approach, systematic study of Coulomb distortion.
doi: 10.1103/PhysRevC.55.1982
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