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NSR database version of May 8, 2024.

Search: Author = R.Katajanheimo

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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 T_1/2. 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

1982ES01      Phys.Scr. 25, 15 (1982)

P.Eskola, K.Eskola, M.E.Leino, R.Katajanheimo, K.Forssten

Level Structure of ⁸³Kr from the ⁸⁰Se(α, nγ)⁸³Kr Reaction

NUCLEAR REACTIONS ⁸⁰Se(α, nγ), E=10, 12.8, 14.8 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), σ(Eγ). ⁸³Kr deduced levels, γ-branching, J, π. Particle-rotor model.

doi: 10.1088/0031-8949/25/1A/003
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 T_1/2, 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 T_1/2, 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

1980KA21      Phys.Scr. 22, 321 (1980)

R.Katajanheimo

Existence of the 7/2⁺ State in N=89 Nuclei

NUCLEAR STRUCTURE ¹⁵⁵Dy, ¹⁵³Gd, ¹⁵¹Sm, ¹⁴⁹Nd; calculated levels, band structure, γ-branching; deduced existence of 7/2⁺ in N=89 nuclei. Particle-rotor model, nonspheriodal Woods-Saxon potential.

doi: 10.1088/0031-8949/22/4/001
Citations: PlumX Metrics

1980KA24      Z.Phys. A297, 123 (1980)

R.Katajanheimo, A.Siivola, R.Lauhakangas

In-Beam Study of Excited States in the Nucleus ¹⁵⁰Nd

NUCLEAR REACTIONS ¹⁵⁰Nd(d, d'γ), (d, tγ), E=10 MeV; measured γγ-coin. ¹⁵⁰Nd deduced levels, J, π, band structure. ¹⁴⁹Nd deduced levels, J, π.

doi: 10.1007/BF01421468
Citations: PlumX Metrics

1979KA11      Phys.Scr. 19, 497 (1979)

R.Katajanheimo, E.Hammaren

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
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, T_1/2, J, π. Nilsson assignments, B(E1) particle-rotor model, nonspheroidal Woods-Saxon potential.

doi: 10.1088/0031-8949/20/1/023
Citations: PlumX Metrics

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, T_1/2, Eγ, Iγ, γγ-coin, βγ-coin; deduced Q, log ft. ¹⁷⁰Er deduced levels, J, π, λ. ¹⁶⁹Ho; measured T_1/2.

doi: 10.1007/BF01434613
Citations: PlumX Metrics

1978TU04      Phys.Scr. 18, 31 (1978)

T.Tuurnala, R.Katajanheimo, O.Heinonen

Energies and Intrinsic Structures of the 43 s and 2.76 min States of ¹⁷⁰Ho

RADIOACTIVITY ^170,170mHo; measured βγ-coin; deduced Q, β-branching, levels.

doi: 10.1088/0031-8949/18/1/008
Citations: PlumX Metrics

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 T_1/2, 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
Citations: PlumX Metrics