NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = E.Hammaren Found 39 matches. 2000HJ01 Eur.Phys.J. A 7, 201 (2000) T.Hjelt, K.W.Schmid, E.Hammaren, A.Faessler Unrestricted Symmetry-Projected Hartree-Fock-Bogoliubov Calculations for Some PF-Shell Nuclei NUCLEAR STRUCTURE 46Ti, 50Cr, 62Zn; calculated levels, J, π, binding energy. Unrestricted HFB calculation, comparison with truncated shell model.
doi: 10.1007/s100500050382
1998HA52 Eur.Phys.J. A 2, 371 (1998) E.Hammaren, K.W.Schmid, A.Faessler Unrestricted Symmetry-Projected Hartree-Fock-Bogoliubov Calculations for SD-Shell Nuclei NUCLEAR STRUCTURE 24Mg, 28Si, 26,27Al; calculated levels, J, π. Symmetry-projected HFB calculations with unrestricted vacua, comparisons with complete shell-model diagonalizations.
doi: 10.1007/s100500050133
1993SU02 Phys.Rev. C47, 757 (1993) Massive Neutrinos and Right-Handed Weak Currents in Double Beta Decay RADIOACTIVITY 76Ge(2β); analyzed T1/2 data; deduced effective right-handed coupling upper limit, two scenarios for massive neutrinos.
doi: 10.1103/PhysRevC.47.757
1992HA16 Nucl.Phys. A541, 226 (1992) E.Hammaren, P.Heikkinen, K.W.Schmid, A.Faessler Microscopic and Phenomenological Analysis of the Alaga Rule for Dipole States NUCLEAR STRUCTURE 156Gd, 164Dy; calculated B(M1), γ-branching ratio for dipole excitations. Microscopic approach. Alaga rule phenomenological analysis.
doi: 10.1016/0375-9474(92)90095-2
1992PE11 Nucl.Phys. A549, 352 (1992) A.Petrovici, E.Hammaren, K.W.Schmid, F.Grummer, A.Faessler Shape Coexistence in the A ≈ 70 Region Including Neutron-Proton Interaction and Unnatural-Parity Correlations in the Mean Field NUCLEAR STRUCTURE 72Ge, 72Kr; calculated levels. 68Ge; calculated levels, B(λ), spectroscopic quadrupole moments. Neutron-proton interaction, unnatural parity correlations, mean field approach.
doi: 10.1016/0375-9474(92)90084-W
1987LI11 Nucl.Phys. A469, 348 (1987) P.O.Lipas, P.Toivonen, E.Hammaren IBA-1 Calculations of E2/M1 Mixing Ratios NUCLEAR STRUCTURE 146,148,150,152Sm, 152,154,156Gd, 162Dy, 162,164,166,168Er, 172Yb, 190Os; calculated levels, δ(E2/M1). Interacting boson approximation.
doi: 10.1016/0375-9474(87)90115-1
1986HA11 Phys.Lett. 171B, 347 (1986) E.Hammaren, K.W.Schmid, A.Faessler, F.Grummer Microscopic Prediction of the M1 Strength Distributions in Medium Heavy Nuclei NUCLEAR STRUCTURE 128,130,132,134Ce, 126,128,130Ba; calculated B(M1); deduced branching state dependence.
doi: 10.1016/0370-2693(86)91418-8
1986HA14 Nucl.Phys. A454, 301 (1986) E.Hammaren, K.W.Schmid, F.Grummer, A.Faessler, B.Fladt Microscopic Description of Even-Even Nuclei in the Mass A = 130 Region NUCLEAR STRUCTURE 128,130,132,134Ce, 126,128,130Ba, 120,124,126Xe; calculated levels, yrast sequence, transition energies, B(E2). 124,126,128,130,132Ba; calculated two-quasiparticle contributions to ground band energies. 128Ba; calculated static, electric quadrupole moments vs spin. 126,130Ba; calculated g vs spin. Self-consistent HFB mean field, microscopic treatment.
doi: 10.1016/0375-9474(86)90271-X
1986HA28 Nucl.Phys. A456, 317 (1986) E.Hammaren, O.Hausser, H.R.Andrews, P.Taras, A.Larabee 136Xe(13C, 4nγ) Reaction Study of 145Nd NUCLEAR REACTIONS 136Xe(13C, 4nγ), E=49-60 MeV; measured E(γ), I(γ)(E), I(γ)(θ), γγ-, energy-coin. 145Nd deduced levels, J, π. Pulsed beam, enriched solid 136Xe target, Ge(Li) detectors.
doi: 10.1016/0375-9474(86)90396-9
1986PA14 J.Phys.(London) G12, 1047 (1986) A.Passoja, J.Kantele, M.Luontama, R.Julin, E.Hammaren, P.O.Lipas, P.Toivonen Electromagnetic Decay of 02+ and O3+ States in the N = 88-90 Nuclei of 150,152Sm RADIOACTIVITY 152m,150mEu(EC), (β+), (β-) [from 150Sm(p, n), E=9.5 MeV; 151Eu(n, γ), E=thermal]; measured Iγ, Eγ, I(ce), I(ce)(X-ray)-coin. 150,152Sm deduced levels, J, π, B(λ), E0 strength parameter. Enriched targets, Ge(Li) detectors, magnetic plus Si-Li conversion electron spectrometer. Interacting boson model.
doi: 10.1088/0305-4616/12/10/013
1986SC19 Nucl.Phys. A456, 437 (1986) K.W.Schmid, F.Grummer, E.Hammaren, M.Kyotoku, A.Faessler Alignment and Electromagnetic Properties of the Yrast Bands in 128Ba and 130Ce: An analysis of the VAMPIR wave functions NUCLEAR STRUCTURE 128Ba, 130Ce; calculated levels, yrast sequence, occupation probabilities, g, B(E2), static hexadecapole, dynamic quadrupole moments. HFB, angular momentum, particle number projection before variation.
doi: 10.1016/0375-9474(86)90404-5
1985HA34 Nucl.Phys. A437, 1 (1985) E.Hammaren, K.W.Schmid, F.Grummer, A.Faessler, B.Fladt Microscopic Description of Odd-Mass Nuclei in the Mass A = 130 Region NUCLEAR REACTIONS 130,132,134,136Ba(d, p), E not given; calculated spectroscopic amplitudes. Microscopic model. NUCLEAR STRUCTURE 127,129,131,133Ce, 125,127,129,131Ba, 123,125,127,129Xe, 127,129,131La, 123,125,127,129Cs, 121,123,125,127I; calculated levels, rotational parameters. 132,134,136Ba; calculated one-neutron pickup spectroscopic amplitudes. 130,132,134,136Ba; calculated one-proton stripping, one-proton pickup stripping spectroscopic amplitudes. Microscopic model.
doi: 10.1016/0375-9474(85)90225-8
1985SC06 Nucl.Phys. A436, 417 (1985) K.W.Schmid, F.Grummer, E.Hammaren, A.Faessler VAMPIR Calculations for 128Ba and 130Ce: Two mechanisms of backbending NUCLEAR STRUCTURE 128Ba, 130Ce; calculated yrast band, total binding energies, intrinsic pairing gap energy vs spin, quadrupole, hexadecapole moments, occupation numbers. HFB with spin, number projections before variation.
doi: 10.1016/0375-9474(85)90077-6
1984KA12 Z.Phys. A316, 361 (1984) R.Katajanheimo, R.Jaderholm, A.Siivola, T.Tuurnala, E.Hammaren, E.Liukkonen Low-Lying Levels in the Nuclei 151Nd and 155Sm NUCLEAR REACTIONS 150Nd, 154Sm(d, pγ), E=10 MeV; measured γγ-coin. 151Nd deduced levels, tentative J, π, γ-branching. 155Sm deduced levels, γ-branching. Axial particle-rotor model calculations.
doi: 10.1007/BF01439909
1984KA35 Z.Phys. A319, 91 (1984) R.Katajanheimo, H.Liljavirta, A.Siivola, E.Hammaren, E.Liukkonen Low-Energy Rotational Bands in the Nucleus 155Eu NUCLEAR REACTIONS 154Sm(3He, np), E=22, 27 MeV; measured Eγ, Iγ, γγ-coin. 155Eu deduced levels, J, π, γ-branching, rotational parameters. Particle-rotor model.
doi: 10.1007/BF01429772
1984KR02 J.Phys.(London) G10, 571 (1984) T.I.Kracikova, M.Finger, V.N.Pavlov, V.A.Deryuga, P.O.Lipas, E.Hammaren, P.Toivonen Nuclear Orientation Study of the Decay of 146Eu RADIOACTIVITY 146Eu(EC), (β+) [from Er(p, X), E=660 MeV]; measured γ(θ), oriented nuclei; deduced orientation coefficients. 146Sm deduced levels, J, π, δ, B(λ), X(E0/E2). Interacting boson approximation model.
doi: 10.1088/0305-4616/10/4/017
1984KR09 J.Phys.(London) G10, 667 (1984) T.I.Kracikova, M.Finger, J.Konicek, N.A.Lebedev, V.A.Deryuga, P.O.Lipas, E.Hammaren, P.Toivonen Nuclear Orientation Study of the Decay of 148Eu NUCLEAR STRUCTURE 148Sm; calculated levels, δ, B(E2), X(E0/E2), quasirotational band structure. Interacting boson model. RADIOACTIVITY 148Eu(EC), (β+), (α) [from Er(p, X), E=660 MeV]; measured γ(θ), oriented nuclei. 148Sm deduced levels, J, π, δ, X(E0/E2). Interacting boson model.
doi: 10.1088/0305-4616/10/5/010
1984KR14 J.Phys.(London) G10, 1115 (1984) T.I.Kracikova, S.Davaa, M.Finger, M.I.Fominykh, W.D.Hamilton, P.O.Lipas, E.Hammaren, P.Toivonen Nuclear Orientation Study of the Decay of 172Lu RADIOACTIVITY 172Lu(EC) [from Ta(p, X)172Hf(EC-decay)]; measured Eγ, Iγ, γ(θ), oriented nuclei. 172Yb levels deduced J, π, γ-branching, δ, X(E0/E2), monopole transition density. Mass separated source implantation in Gd, Fe, 3He-4He dilution refrigerator, Ge(Li) detectors. Interacting boson model.
doi: 10.1088/0305-4616/10/8/016
1984LI06 Phys.Lett. 139B, 10 (1984) P.O.Lipas, E.Hammaren, P.Toivonen IBA-1 Calculation of E2/M1 Mixing Ratios in 154Gd NUCLEAR STRUCTURE 154Gd; calculated reduced (E2/M1) mixing ratio. Generalized interacting boson approximation.
doi: 10.1016/0370-2693(84)90023-6
1984RA03 Nucl.Phys. A414, 269 (1984) T.Ramsoy, J.Rekstad, A.Henriquez, F.Ingebretsen, M.Guttormsen, E.Hammaren, T.F.Thorsteinsen Deep-Lying νh11/2 Hole States in 145Nd NUCLEAR REACTIONS 146Nd(3He, α), E=26 MeV; measured σ(Eγ, θ), Eγ, Iγ, γα-coin. 145Nd deduced levels, γ-ray multiplicity, level density, spectroscopic strength. Enriched target, Ge(Li), NaI(Tl), Si detectors. Fermi gas model analysis.
doi: 10.1016/0375-9474(84)90644-4
1984RE04 Nucl.Phys. A417, 376 (1984) J.Rekstad, B.Nordmoen, A.Henriques, F.Ingebretsen, S.Messelt, T.F.Thorsteinsen, E.Hammaren The (3He, α) Strength Functions in Rare-Earth Nuclei NUCLEAR REACTIONS 156,157Gd, 171Yb(3He, α), E=26 MeV; measured σ(Eα, θ), αγ-coin. 155,156Gd, 170Yb levels deduced L, J, π, S. Enriched targets. DWBA calculations. Comparison to particle-plus-rotor model.
doi: 10.1016/0375-9474(84)90403-2
1983LI06 Phys.Scr. 27, 8 (1983) P.O.Lipas, J.Kumpulainen, E.Hammaren, T.Honkaranta, M.Finger, T.I.Kracikova, I.Prochazka, J.Ferencei Study of Even Gd Nuclei by Decay of Oriented Tb, with Analysis by Simple Boson Models NUCLEAR STRUCTURE 150,152,154,156,158,160Gd; calculated levels, B(E2), monopole transition densities, B(E2)/B(E0). Interacting boson model. RADIOACTIVITY 150,152,154Tb(EC), (β+), 156Tb(EC) [from Ta(p, X), E=660 MeV]; measured γ(θ), oriented nuclei. 150,152,154,156Gd deduced levels, J, π, γ-multipolarity, δ, rotational band characteristics. TbGd samples, dilution refrigeration. Interacting boson model.
doi: 10.1088/0031-8949/27/1/002
1983MA71 Nucl.Phys. A411, 125 (1983) A Quasiparticle-Rotor Model with Variable Moments of Inertia: Application to 149,151,153Sm and 109Pd NUCLEAR STRUCTURE 149,151,153Sm, 109Pd; calculated levels, rotational level characteristics. Quasiparticle-rotor model, variable moments of inertia.
doi: 10.1016/0375-9474(83)90511-0
1983RE09 Phys.Scr. T5, 45 (1983) J.Rekstad, A.Henriquez, F.Ingebretsen, G.Midttun, B.Skaali, R.Oyan, J.Wikne, T.Engeland, T.G.Thorsteinsen, E.Hammaren, E.Liukkonen A Study of the Nuclear Structure at High Energy and Low Spin NUCLEAR REACTIONS 147,149Sm, 155,157Gd, 161,163Dy(3He, α), E=26 MeV; measured Eα, Iα, γα-coin, γ-multiplicity spectra; deduced structure change in deformed nuclei. 146,148Sm, 156Gd, 160,162Dy deduced < Eγ > vs excitation energy. 154Gd deduced < Eγ > vs excitation energy, γ-transition relative intensities.
doi: 10.1088/0031-8949/1983/T5/007
1982HA17 Z.Phys. A305, 143 (1982) Single-Proton States of 159Ho Studied with the (p, α) Reaction. Spectroscopic Evidence for the Unusual Coriolis Strengths in 159,161,163Ho Nuclei NUCLEAR REACTIONS 162,164Er(p, α), E=17 MeV; measured σ(Eα), σ(θ). 161Ho levels deduced normalization factors. 159Ho deduced levels, J, π, S, rotational bands, Nilsson assignments. Enriched targets. Triton cluster transfer DWBA, Coriolis mixing calculations.
1982KA07 Nucl.Instrum.Methods 193, 495 (1982) J.Kantele, E.Hammaren, D.G.Burke, J.C.Waddington A Test of the Feasibility of γp-Coincidence Techniques in Conjunction with the (t, pγ) Reaction NUCLEAR REACTIONS 150Sm(t, pγ), E=15 MeV; measured Eγ, Iγ, pγ-coin. Ge(Li), Si-Au detectors.
doi: 10.1016/0029-554X(82)90241-5
1982KA36 Phys.Scr. 26, 417 (1982) R.Katajanheimo, A.Siivola, E.Liukkonen, E.Hammaren Remeasurement of the Lifetime of the Isomeric (9/2)+ State in 155Dy NUCLEAR REACTIONS 155Gd(3He, 3n), E=27 MeV; measured γ(3He)(t), E(K X-ray), I(K X-ray). 155Dy deduced isomer T1/2, level decay characteristics, hindrance factors. Particle-rotor model.
doi: 10.1088/0031-8949/26/6/001
1981BU03 Nucl.Phys. A359, 36 (1981) D.G.Burke, E.Hammaren, G.Lovhoiden, J.A.Cizewski, E.R.Flynn, J.W.Sunier The Nuclear Structure of 161,163Ho Studied with the (t(pol), α) Reaction NUCLEAR REACTIONS 162,164Er(polarized t, α), E=17 MeV; measured σ(Eα, θ), A(Eα, θ). 161,163Ho deduced levels, J, π, Nilsson assignments. Enriched targets.
doi: 10.1016/0375-9474(81)90210-4
1981BU10 Nucl.Phys. A366, 202 (1981) D.G.Burke, E.Hammaren, C.L.Swift, J.A.Cizewski, E.R.Flynn, J.W.Sunier, G.Lovhoiden The 159Tb(t, α)158Gd Reaction with 17 MeV Polarized Tritons NUCLEAR REACTIONS 159Tb(polarized t, α), E=17 MeV; measured σ(Eα, θ), A(Eα, θ). 158Gd deduced levels, J, π, two-quasiparticle Nilsson assignments.
doi: 10.1016/0375-9474(81)90284-0
1981PI09 Z.Phys. A300, 133 (1981) M.Piiparinen, R.Pengo, Y.Nagai, E.Hammaren, P.Kleinheinz, N.Roy, L.Carlen, H.Ryde, Th.Lindblad, A.Johnson, S.A.Hjorth, J.Blomqvist High Spin Shell Model Excitations in 149Gd NUCLEAR REACTIONS 150Sm(α, 5n), E=67 MeV; 149Sm(α, 4n), E=51 MeV; 148Sm(α, 3n), E=44 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, linear polarization, I(ce). 149Gd deduced levels, J, π, configuration, ICC, γ-branching, T1/2, B(E2). Shell model.
doi: 10.1007/BF01412290
1980HA13 Nucl.Phys. A339, 465 (1980) E.Hammaren, E.Liukkonen, R.Katajanheimo, T.Tuurnala Nanosecond Lifetimes of the Low-Spin States in the Nucleus 147Nd. A Particle-Rotor Model Interpretation of the Results NUCLEAR REACTIONS 146Nd(d, pγ), E=10 MeV; measured Eγ, Iγ, γγ-coin, γ(t). 147Nd levels deduced T1/2, B(λ). Enriched target. Intrinsic Ge, Ge(Li) detectors, pulsed beam. Rotational model interpretation.
doi: 10.1016/0375-9474(80)90027-5
1980KO07 Nucl.Phys. A337, 464 (1980) J.Kownacki, Z.Sujkowski, E.Hammaren, E.Liukkonen, M.Piiparinen, T.Lindblad, H.Ryde, V.Paar Excited States in 146Sm and 147Sm NUCLEAR REACTIONS 144,146Nd(α, 2n), (α, 3n), E=20-43 MeV; 146,148Nd(3He, 3n), (3He, 4n), E=19-27 MeV; measured Eγ, Iγ(E), Iγ(θ), γγ(t), αγ(t), I(ce). 146,147Sm deduced levels, J, π, T1/2, ICC. Enriched targets, Ge(Li), Ge detectors, solenoidal, double focusing electron spectrometers with Si(Li) detectors.
doi: 10.1016/0375-9474(80)90154-2
1979HA19 Nucl.Phys. A321, 71 (1979) E.Hammaren, E.Liukkonen, M.Piiparinen, J.Kownacki, Z.Sujkowski, T.Lindblad, H.Ryde Structural Connections between 148Sm and 149Sm Nuclei NUCLEAR REACTIONS 146Nd(α, 2n), 148Nd(α, 3n), E=20-37 MeV; 148Nd(3He, 3n), 150Nd(3He, 4n), E=19-27 MeV; measured Eγ, Iγ(E), Iγ(θ), γγ-coin, αγ(t), Iγ(t), I(ce), I(ce)(t). 148,149Sm deduced levels, J, π, T1/2, ICC. Enriched targets. Ge(Li), Ge intrinsic detectors, solenoidal, double focussing electron spectrometers, Si(Li) detectors.
doi: 10.1016/0375-9474(79)90686-9
1979KA11 Phys.Scr. 19, 497 (1979) Particle-Rotor Model Study of the Transitional N = 89 and Some N = 91-95 Nuclei NUCLEAR STRUCTURE 161,163Er, 155,157,161Dy, 153,155,157Gd, 151,153Sm, 149Nd; calculated energy levels, relative Iγ; deduced Nilsson assignments. Particle-rotor model.
doi: 10.1088/0031-8949/19/5-6/002
1979KA16 Phys.Scr. 20, 125 (1979) R.Katajanheimo, A.Siivola, T.Tuurnala, E.Hammaren, E.Liukkonen The Isomeric 9/2+ and the Lowest 7/2- State in the Weakly Deformed N = 89 Nuclei NUCLEAR REACTIONS 148Nd(d, pγ), E=10 MeV; 154Sm(3He, 4nγ), 155Gd(3He, 3nγ), E=27 MeV; measured γγ(t), pγ(t), Eγ. 149Nd, 151Sm, 153Gd, 155,157Dy, 159,161Er deduced levels, T1/2, J, π. Nilsson assignments, B(E1) particle-rotor model, nonspheroidal Woods-Saxon potential.
doi: 10.1088/0031-8949/20/1/023
1979KO35 Nucl.Phys. A332, 422 (1979) M.Kortelahti, A.Pakkanen, M.Piiparinen, E.Hammaren, T.Komppa, R.Komu In-Beam Study and a Rotational Description of Low-Lying Levels in the N = 88 Nucleus 149Pm NUCLEAR REACTIONS 150Nd(p, 2nγ), E=12.1-15.8 MeV; measured Eγ, Iγ(E), Iγ(θ), γγ-coin, pγ-delay. 149Pm deduced levels, J, π, T1/2. Enriched targets.
doi: 10.1016/0375-9474(79)90011-3
1978KA16 Z.Phys. A286, 57 (1978) R.Katajanheimo, T.Tuurnala, E.Hammaren Level Structure of 170Er Observed in the Decay of the 2.76 min 170Ho RADIOACTIVITY 170Ho [from 170Er(n, p)]; measured Eβ, T1/2, Eγ, Iγ, γγ-coin, βγ-coin; deduced Q, log ft. 170Er deduced levels, J, π, λ. 169Ho; measured T1/2.
doi: 10.1007/BF01434613
1977TU01 Z.Phys. A280, 309 (1977) T.Tuurnala, R.Katajanheimo, E.Hammaren States of 167Ho from the Decay of Neutron Rich Nuclide 167Dy RADIOACTIVITY 167Dy; measured T1/2, Eβ, γγ-, βγ-coin, Eγ, Iγ, γ(t), I(ce); deduced Q, ICC. 167Ho deduced levels, K, J, π, λ, B(λ).
doi: 10.1007/BF01434358
1975HA18 Z.Phys. A272, 341 (1975) E.Hammaren, P.Puhakka, A.Siivola, T.Tuurnala Low-Spin States in 151Gd RADIOACTIVITY 151Tb; measured Eγ, Iγ, I(ce), γγ-coin; deduced ICC, log ft. 151Gd deduced levels, J, π, λ, β.
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