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NSR database version of May 24, 2024.

Search: Author = E.Liukkonen

Found 24 matches.

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1988KA01      Z.Phys. A329, 1 (1988)

R.Katajanheimo, R.Jaderholm, A.Siivola, R.Julin, E.Liukkonen

Low-Lying Excitations in the Odd-Odd Nucleus 154Eu

NUCLEAR REACTIONS 154Sm(3He, 2np), E=27 MeV; 154Sm(d, 2n), E=10 MeV; measured Eγ, Iγ, γγ-coin. 154Eu deduced levels, J, π, isomer T1/2. Enriched target.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1984KO17      ATOMKI Kozlem. 26, 33 (1984)

J.Kownacki, J.Jastrzebski, P.Koczon, W.Skulski, J.Wrzesinski, J.Sieniawski, J.Styczen, W.Walus, A.Celler, E.Liukkonen, A.Lukko, A.Pakkanen, Th.Lindblad, S.Elfstrom

Multipolarity Excitations in the Single Closed Shell Nucleus 14058Ce82

NUCLEAR REACTIONS 138Ba(α, 2n), E not given; measured I(ce), γγ-coin. 140Ce deduced levels, J, π, T1/2, ICC, configuration. Intermediate image plus Si-Li electron spectrometer.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1978BE39      Z.Phys. A287, 219 (1978)

I.Bergstrom, J.Blomqvist, C.J.Herrlander, J.Hattula, O.Knuuttila, E.Liukkonen, V.Rahkonen

On the Yrast Two Proton-Two Neutron Hole States in 208Po

NUCLEAR REACTIONS 208Pb(α, 4nγ), E=41-51 MeV; measured γγ(t), Eγ, Iγ, γ(E), γ(θ), γγ-coin. 208Pb deduced levels, J, π, T1/2, λ, δ.


1976SL01      Phys.Lett. 60B, 153 (1976)

G.Sletten, V.Metag, E.Liukkonen

Picosecond Fission Isomers in Even-Even Cm Isotopes

RADIOACTIVITY, Fission 240,242Cm(SF); measured T1/2. 244Cm(SF); measured T1/2 upper limit.

doi: 10.1016/0370-2693(76)90411-1
Citations: PlumX Metrics


1974ME10      Nucl.Instrum.Methods 114, 445 (1974)

V.Metag, E.Liukkonen, G.Sletten, O.Glomset, S.Bjornholm

Detection of Fission Isomers with Half-Lives in the Picosecond Range by the Recoil-Distance Technique

NUCLEAR REACTIONS 237Np(p, F), 242Pu(d, pnF); measured recoil distance. 242Pu level deduced T1/2.

doi: 10.1016/0029-554X(74)90165-7
Citations: PlumX Metrics


1973ME23      Nucl.Phys. A213, 397 (1973)

V.Metag, S.M.Lee, E.Liukkonen, G.Sletten, S.Bjornholm, A.S.Jensen

Neutron-Fission Competition Near Threshold; The Influence of Shells and Pairing on the Decay of the 241Cm Compound Nucleus

NUCLEAR REACTIONS 238Pu(α, n), E=19.9-23 MeV; 238Pu(α, 2n), E=19.9-27 MeV; 241Am(p, 2n), E=8.2-16 MeV; measured σ(241Cm), σ(240Cm), σ(fission). 241,242Cm deduced n-width, F-width.

doi: 10.1016/0375-9474(73)90160-7
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetB0007.


1971LI09      Z.Phys. 241, 150 (1971)

E.Liukkonen, J.Hattula

Level Structure of 120Sn from the Decay of 120In and 120Sb Isomers

RADIOACTIVITY 120mIn, 120mSb; measured Eγ, Iγ, γγ-coin; deduced log ft. 120mIn; measured T1/2, γγ-delay. 120Sn deduced levels, J, π.

doi: 10.1007/BF01397904
Citations: PlumX Metrics


1971TU02      Z.Phys. 247, 436 (1971)

T.Tuurnala, V.Pursiheimo, E.Liukkonen

Energy Levels of 174Yb Populated in the Decay of 174Tm

RADIOACTIVITY 174Tm; measured Eγ, Iγ, T1/2, γγ-coin; deduced log ft. 174Yb deduced levels, J, π, γ-branching.

doi: 10.1007/BF01395342
Citations: PlumX Metrics


1970HA08      Z.Phys. 231, 203 (1970)

J.Hattula, E.Liukkonen, J.Kantele

Levels of 118Sn Populated in the Decay of 118In and 118Sb Isomers

RADIOACTIVITY 118mIn; measured Eγ, Iγ, γγ-coin; deduced log ft. 118,118mSb; measured Eγ, Iγ, γγ-coin, γγ(θ); deduced log ft. 118Sn deduced levels, J, π, B(E2).

doi: 10.1007/BF01401032
Citations: PlumX Metrics


1970TU07      Phys.Scr. 2, 163 (1970)

T.Tuurnala, V.Pursiheimo, E.Liukkonen

Energy Levels of 176Yb from the Decay of 176Tm and 176mYb

RADIOACTIVITY 176Tm; measured βγ-, γγ-coin, T1/2, Eγ, Iγ; deduced log ft. 176mYb; measured Eγ, Iγ, T1/2. 176Yb deduced deduced levels, J, π. Ge(Li) detectors.

doi: 10.1088/0031-8949/2/4-5/007
Citations: PlumX Metrics


1969HA08      Nucl.Phys. A125, 477 (1969)

J.Hattula, E.Liukkonen, J.Kantele

New Isomeric State in 118In

RADIOACTIVITY 118In isomer [from 118Sn(n, p)]; measured Eγ, Iγ, ICC, T1/2; deduced J, π. 118Sn deduced levels. Enriched target.

doi: 10.1016/0375-9474(69)91088-4
Citations: PlumX Metrics


1969LI14      Nucl.Phys. A138, 163 (1969)

E.Liukkonen, J.Hattula, A.Anttila

Levels of 82Kr from the Decay of 35 h 82Br

RADIOACTIVITY 82Br[from 81Br(n, γ)]; measured Eγ, Iγ, γγ-coin, γγ(θ); deduced Iβ, log ft. 82Kr deduced levels, J, π. Natural target, Ge(Li) detector.

doi: 10.1016/0375-9474(69)90389-3
Citations: PlumX Metrics


1969LI21      Ann.Acad.Sci.Fennicae, Ser.A VI. No.325 (1969)

E.Liukkonen, V.Pursiheimo, T.Tuurnala

A 31 ms Isomeric Activity in 153Gd

RADIOACTIVITY 155mGd; measured Eγ, Iγ, I(K X-ray), γγ-coin, T1/2. 155Gd deduced transitions, ICC, γ-multipolarity.


1968HA35      Ann.Acad.Sci.Fennicae, Ser.A VI, No.274 (1968)

J.Hattula, E.Liukkonen

On the Decay of 30s 106gRh

RADIOACTIVITY 106Rh; measured Eγ, Iγ, γγ-coin, γγ(θ). 106Pd deduced levels, J, π.


1968LI01      Z.Physik 208, 208 (1968)

E.Liukkonen, J.Kantele

On the Disintegration Energies of 174Lu Isomers

NUCLEAR STRUCTURE 174Lu, 174Hf; measured not abstracted; deduced nuclear properties.

doi: 10.1007/BF01380123
Citations: PlumX Metrics


1967KA13      Z.Physik 204, 456 (1967)

J.Kantele, E.Liukkonen, A.Sarmanto

A Note on the Structure of the 1518 keV Isomeric State in 174Yb

NUCLEAR STRUCTURE 174Lu, 174Tm; measured not abstracted; deduced nuclear properties.

doi: 10.1007/BF01325736
Citations: PlumX Metrics


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