NSR Query Results
Output year order : Descending NSR database version of May 1, 2024. Search: Author = M.Jaaskelainen Found 21 matches. 1989JU02 Nucl.Phys. A504, 205 (1989) S.Juutinen, J.Hattula, M.Jaaskelainen, A.Virtanen, T.Lonnroth Excited Structure of the 56Ni-Plus-Three-Nucleon Isobars 59Ni and 59Cu NUCLEAR REACTIONS 58Ni(3He, 2pγ), (3He, npγ), E=15-27 MeV; measured Eγ, Iγ(E), Iγ(θ), γγ-coin, I(ce). 59Ni, 59Cu deduced levels, J, π, ICC, relative, absolute B(λ), band structures. Ge, Ge(Li) detectors, enriched target.
doi: 10.1016/0375-9474(89)90343-6
1987HA03 J.Phys.(London) G13, 57 (1987) J.Hattula, S.Juutinen, M.Jaaskelainen, T.Lonnroth, A.Pakkanen, M.Piiparinen, G.Sletten Neutron and Proton Bands in 122Xe at High Spins NUCLEAR REACTIONS 110Pd(16O, 4n), (16O, 3n), (18O, 4n), 109Ag(18O, 4n), E=65-82 MeV; measured Eγ, Iγ, γγ-coin. 122Te(3He, 3n), E=27 MeV; measured σ(θ). 122Xe deduced levels, band structure, ICC, Iγ. 123,124Xe, 123Cs deduced levels, J, π, yrast sequence, quasiparticle band alignments.
doi: 10.1088/0305-4616/13/1/009
1987MO21 Nucl.Phys. A472, 295 (1987) J.N.Mo, S.Sergiwa, R.Chapman, J.C.Lisle, E.Paul, J.C.Willmott, J.Hattula, M.Jaaskelainen, J.Simpson, P.M.Walker, J.D.Garrett, G.B.Hagemann, B.Herskind, M.A.Riley, G.Sletten High-Spin, Discrete Line Spectroscopy of 162Yb and 164Hf and the Systematics of N = 29 Isotones NUCLEAR REACTIONS 122Sn(44Ca, 4n), E=195 MeV; 120Sn(48Ti, 4n), E=225 MeV; measured γγ-coin, γγ(θ), γ(θ), linear polarization. 162Yb, 164Hf deduced levels, J, π. Systematic comparisons of N=92 isotones. Enriched targets.
doi: 10.1016/0375-9474(87)90212-0
1986SO10 Phys.Rev. C34, 917 (1986) L.G.Sobotka, D.G.Sarantites, H.Puchta, F.A.Dilmanian, M.Jaaskelainen, M.L.Halbert, J.H.Barker, J.R.Beene, R.L.Ferguson, D.C.Hensley, G.R.Young Particle-Bound Excited State Yields Produced in the Reaction of 181 MeV 19F + 159Tb NUCLEAR REACTIONS 159Tb(19F, X), E=181 MeV; measured (particle)γ-coin for X=10Be, 11,12B, 12,13,14C, 14,15,17N, 16,17,18O; deduced particle-bound ejectile yields. 10Be, 11,12B, 12,13,14C, 14,15,17N, 16,17,18O deduced excited state population.
doi: 10.1103/PhysRevC.34.917
1985PE12 Phys.Rev. C32, 1572 (1985) G.A.Petitt, A.Gavron, J.R.Beene, B.Cheynis, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, M.Jaaskelainen, D.G.Sarantites, C.F.Maguire Neutron Emission in Inelastic Reactions of 12C + 158Gd and 20Ne + 150Nd NUCLEAR REACTIONS 158Gd(12C, nX), E=192 MeV; 150Nd(20Ne, nX), E=176, 239 MeV; measured σ(En), σ(fragment θ, θn); deduced neutron emission mechanism differences.
doi: 10.1103/PhysRevC.32.1572
1983GA01 Phys.Rev. C27, 450 (1983) A.Gavron, J.R.Beene, B.Cheynis, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, C.F.Maguire, D.G.Sarantites, M.Jaaskelainen, K.Geoffroy-Young Systematics of Nonequilibrium Neutron Emission NUCLEAR REACTIONS 158Gd(12C, xn), E=192 MeV; 150Nd(20Ne, xn), E=176, 239 MeV; measured neutron spectra; deduced nonequilibrium emission systematics. Moving hot source, Boltzmann master equation models.
doi: 10.1103/PhysRevC.27.450
1983GA16 Phys.Scr. T5, 178 (1983) J.J.Gaardhoje, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.Nolan, G.Sletten, J.R.Beene, M.L.Halbert, D.C.Hensley, I.Y.Lee, F.Plasil, F.A.Dilmanian, M.Jaaskelainen, H.Puchta, D.G.Sarantites, R.Woodward, Th.Lindblad High Spin Phenomena in the Mass 100-200 Region Seen through the Crystal Ball NUCLEAR REACTIONS 112,114Cd, 96Zr, 135Ba, 124Sn(50Ti, X), E=230 MeV; measured entry region γ-spectra average properties; deduced γ-ray fold distribution mass dependence. 166,164,162,160,156Yb deduced γ-ray fold distribution neutron dependence. Spin spectrometer.
doi: 10.1088/0031-8949/1983/T5/034
1983HA28 Phys.Scr. T5, 91 (1983) M.L.Halbert, J.H.Barker, J.R.Beene, R.L.Ferguson, D.C.Hensley, G.R.Young, F.A.Dilmanian, M.Jaaskelainen, H.Puchta, D.G.Sarantites, R.Woodward Heavy-Ion Reaction Mechanisms Studied with the Spin Spectrometer NUCLEAR REACTIONS 146Nd(20Ne, 5n), (20Ne, 6n), (20Ne, 7n), (20Ne, 8n), E=136 MeV; measured γ-multiplicity, σ vs multiplicity, excitation. 159Tb(19F, X), E=180 MeV; measured γ-multiplicity vs fragment mass, Z, σ(fragment θ) for X=C, B, Be, N, O, Ne. Comparison with sum rule predictions.
doi: 10.1088/0031-8949/1983/T5/014
1983JA04 Nucl.Phys. A396, 319c (1983) M.Jaaskelainen, D.G.Sarantites, F.A.Dilmanian, R.Woodward, H.Puchta, J.R.Beene, J.Hattula, M.L.Halbert, D.C.Hensley, J.H.Barker Evolution of Nuclear Shapes in 157-161Yb as a Function of Spin and Neutron Number NUCLEAR REACTIONS 146Nd(20Ne, 6n), (20Ne, 7n), E=136, 149 MeV; 146Nd(20Ne, 8n), 144Nd(20Ne, 6n), (20Ne, 7n), E=149 MeV; 146Nd(20Ne, 5n), E=136 MeV; measured continuum Eγ, Iγ, γ(θ) vs multiplicity. 157,158,159,160,161Yb deduced nuclear shapes.
doi: 10.1016/0375-9474(83)90028-3
1983JA12 Phys.Scr. T5, 175 (1983) M.Jaaskelainen, D.G.Sarantites, F.A.Dilmanian, R.Woodward, H.Puchta, J.R.Beene, J.Hattula, M.L.Halbert, D.C.Hensley Transition from Prolate to Oblate to Triaxial Shapes in 158Yb NUCLEAR REACTIONS 144Nd(20Ne, 6n), 146Nd(20Ne, 8n), E=149 MeV; measured γ-multiplicity, γ(θ) vs multiplicity. 158Yb deduced average excitation energy, continuum decay characteristics, prolate to oblate shape change.
1983SA10 Nucl.Phys. A400, 435c (1983) R.C.Sarantites, M.Jaaskelainen, F.A.Dilmanian, H.Puchta, R.Woodward, J.R.Beene, D.C.Hensley, M.L.Halbert, J.Hattula, J.H.Barker, R.Novotny, L.Adler, R.K.Choudhury, M.N.Namboodiri, R.P.Schmitt, J.B.Natowitz Research Highlights with the Spin Spectrometer NUCLEAR REACTIONS 146Nd(20Ne, 8n), E=136 MeV; 146Nd(20Ne, 6n), (20Ne, 7n), E=136, 149 MeV; 144Nd(20Ne, 6n), (20Ne, 7n), 146Nd(20Ne, 8n), E=149 MeV; measured continuum γ-spectra, γ-multiplicities; deduced fusion reaction, entry state energy, angular momentum dependences. 160,158,159Yb deduced effective moment of inertia vs spin, entry line energy vs γ-multiplicity, localized stretched dipole transition. 157,161Yb deduced localized stretched dipole transition.
doi: 10.1016/0375-9474(83)90448-7
1982DI16 Phys.Rev.Lett. 49, 1909 (1982) F.A.Dilmanian, D.G.Sarantites, M.Jaaskelainen, H.Puchta, R.Woodward, J.R.Beene, D.C.Hensley, M.L.Halbert, R.Novotny, L.Adler, R.K.Choudhury, M.N.Namboodiri, R.P.Schmitt, J.B.Natowitz Alpha-Particle Angular Distributions with Respect to Spin Direction NUCLEAR REACTIONS 150Nd(20Ne, xα), E=176 MeV; measured σ(θ, Eα) vs γ-multiplicity, evaporation residue spin direction; deduced α-emitting nucleus deformation characteristics.
doi: 10.1103/PhysRevLett.49.1909
1982JA08 Phys.Rev.Lett. 49, 1387 (1982) M.Jaaskelainen, D.G.Sarantites, R.Woodward, F.A.Dilmanian, H.Puchta, J.R.Beene, J.Hattula, M.L.Halbert, D.C.Hensley, J.H.Barker Evidence for a Prolate to Oblate Shape Change at High Spin in 160Yb NUCLEAR REACTIONS 146Nd(20Ne, 6n), E=136, 149 MeV; measured γ-multiplicity. 160Yb deduced entry state population, decay properties, shape change. Spin spectrometer.
doi: 10.1103/PhysRevLett.49.1387
1982JA10 Phys.Lett. 119B, 65 (1982) M.Jaaskelainen, D.G.Sarantites, F.A.Dilmanian, R.Woodward, H.Puchta, J.R.Beene, J.Hattula, M.L.Halbert, D.C.Hensley Evolution of the Decay Modes of 158Yb with Spin NUCLEAR REACTIONS 144Nd(20Ne, 6n), 146Nd(20Ne, 8n), E=149 MeV; measured continuum Eγ, Iγ, γ-anisotropies. 158Yb deduced entry state decay, collectivity spin dependence, stretched dipole component.
doi: 10.1016/0370-2693(82)90244-1
1982SA21 Phys.Lett. 115B, 441 (1982) D.G.Sarantites, M.Jaaskelainen, R.Woodward, F.A.Dilmanian, D.C.Hensley, J.H.Barker, J.R.Beene, M.L.Halbert, W.T.Milner Population of the Entry States in Heavy-Ion Fusion Reactions NUCLEAR REACTIONS 146Nd(20Ne, 5n), (20Ne, 6n), (20Ne, 7n), E=136 MeV; measured σ vs γ-multiplicity, entry state distributions; deduced entrance channel fusion (L). Statistical model.
doi: 10.1016/0370-2693(82)90388-4
1981DO05 J.Phys.(London) G7, 1379 (1981) F.Donau, J.Hattula, H.Helppi, A.Luukko, M.Jaaskelainen How to Describe Low-Lying Bands in Odd-A Transitional Xenon Nuclei NUCLEAR STRUCTURE 123,125,127,129Xe; calculated levels, band structure. Core-quasiparticle model.
doi: 10.1088/0305-4616/7/10/015
1981GA23 Phys.Rev.Lett. 47, 1255 (1981) A.Gavron, J.R.Beene, B.Cheynis, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, M.Jaaskelainen, D.G.Sarantites, C.F.Maguire Time Scale of Fission at High Angular Momentum NUCLEAR REACTIONS, Fission 158Gd(12C, nX), (12C, nF), E=192 MeV; 150Nd(20Ne, nX), (20Ne, nF), E=176, 239 MeV; measured σ(fragment θ, θn, En), σ(evaporation residue θ, θn, En); deduced neutron multiplicity, fragment temperature, fission time scale. Evaporation model.
doi: 10.1103/PhysRevLett.47.1255
1981GA29 Phys.Rev. C24, 2048 (1981) A.Gavron, J.R.Beene, R.L.Ferguson, F.E.Obenshain, F.Plasil, G.R.Young, G.A.Petitt, K.G.Young, M.Jaaskelainen, D.G.Sarantites, C.F.Maguire Neutron Emission in 12C + 158Gd and 13C + 158Gd Reactions between 8 and 12 MeV/Nucleon NUCLEAR REACTIONS 158Gd(12C, X), 157Gd(13C, X), E=8-12 MeV/nucleon; measured n(fragment)-coin, En, neutron multiplicities; deduced nonequilibrium component.
doi: 10.1103/PhysRevC.24.2048
1981GO04 Nucl.Phys. A357, 109 (1981) L.Goettig, Ch.Droste, A.Dygo, T.Morek, J.Srebrny, R.Broda, J.Styczen, J.Hattula, H.Helppi, M.Jaaskelainen In-Beam Study of the 128,130Xe Nuclei NUCLEAR REACTIONS 126,128Te(α, 2nγ), E=25.5-27 MeV; 128,130Te(3He, 3nγ), E=20-27 MeV; measured Eγ, Iγ(θ), I(ce), γγ(t), αγ(t), 3Heγ(t), σ(Eγ). 128,130Xe deduced levels, J, π, T1/2, γ-multipolarity, δ, ICC.
doi: 10.1016/0375-9474(81)90628-X
1981HE04 Nucl.Phys. A357, 333 (1981) H.Helppi, J.Hattula, A.Luukko, M.Jaaskelainen, F.Donau In-Beam Study of 127,129Xe and Collective Description of the Level Structures in Odd-A Xe Nuclei NUCLEAR REACTIONS 126Te(3He, 2n), 128,130Te(3He, 4n), E=20-27 MeV; 126Te(α, n), E=18 MeV; measured Eγ, Iγ(θ), γγ-coin, γ(t), I(ce). 127,129Xe deduced levels, J, π, T1/2, ICC, δ(E2/M1). Enriched targets. NUCLEAR STRUCTURE 123,125,127,129Xe; calculated levels, band structure. Triaxial rotor, core plus quasiparticle model calculations.
doi: 10.1016/0375-9474(81)90225-6
1980BA20 Phys.Rev.Lett. 45, 424 (1980) J.H.Barker, J.R.Beene, M.L.Halbert, D.C.Hensley, M.Jaaskelainen, D.G.Sarantites, R.Woodward Direct Evidence for a Narrow Window at High Angular Momentum in Incomplete-Fusion Reactions NUCLEAR REACTIONS 146Nd(16O, xnα), E=142 MeV; measured αγ-coin, side feeding; deduced narrow window at high angular momentum, no central collisions. Generalized incomplete fusion model.
doi: 10.1103/PhysRevLett.45.424
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