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NSR database version of April 29, 2024.

Search: Author = T.Komppa

Found 16 matches.

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1984PA14      ATOMKI Kozlem. 26, 40 (1984)

A.Pakkanen, T.Komppa, R.Komu, M.Kortelahti, M.Piiparinen

Medium and Low-Spin States in N = 82 ± 1 Nuclei near ¹⁴⁶Gd

NUCLEAR REACTIONS Nd, Sm(³He, xn), (α, n), E not given; measured γ-spectra. ¹⁴³Sm, ^145,147Gd deduced levels, J, π, configuration. Shell model comparison.

1983KO13      Phys.Scr. 27, 166 (1983)

M.Kortelahti, T.Komppa, M.Piiparinen, A.Pakkanen, R.Komu

Medium-Spin Levels in ¹³⁷Ce and the Prolate-Oblate Shape Transition in Ce Nuclei

NUCLEAR REACTIONS ¹³⁷Ba(³He, 3n), E=27 MeV; measured Eγ, Iγ, I(ce), γγ-coin, γ(θ), σ(Eγ). ¹³⁷Ce deduced levels, J, π, ICC, band structure, γ-branching, configuration, γ-multipolarity.

doi: 10.1088/0031-8949/27/3/003
Citations: PlumX Metrics

1983KO42      Z.Phys. A314, 33 (1983)

T.Komppa, R.Komu, M.Kortelahti, J.Muhonen, A.Pakkanen, M.Piiparinen, I.Prochazka, J.Blomqvist

Medium-Spin Levels in the N = 83 Nucleus ¹⁴⁷Gd

NUCLEAR REACTIONS, ICPND ¹⁴⁷Sm(³He, 3n), E=22 MeV; ¹⁴⁴Sm(α, n), E=17.5 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, I(ce), σ(Eγ, E), γγ(t), γ yield vs E. ¹⁴⁷Gd deduced levels, γ-branching, J, π, ICC, γ-multipolarity, configuration. Shell model.

NUCLEAR STRUCTURE ¹⁴⁷Gd; calculated levels. Shell model.

doi: 10.1007/BF01411826
Citations: PlumX Metrics

1982KO05      Nucl.Phys. A376, 1 (1982)

M.Kortelahti, A.Pakkanen, M.Piiparinen, T.Komppa, R.Komu

Medium-Spin Levels and a 360 ns Iπ = 19/2^- Isomer in the N = 80 Nucleus ¹³⁷La

NUCLEAR REACTIONS ¹³⁸Ba(p, 2n), E=17.1-20.3 MeV; measured Eγ, Iγ(E), Iγ(θ), I(ce), γγ-coin, pγ(t). ¹³⁷La deduced levels, J, π, T_1/2, ICC, B(λ). Enriched targets.

RADIOACTIVITY ^137mCe [from ¹³⁷Ba(³He, 3n)]; measured Eγ, Iγ, γγ-coin. ¹³⁷La deduced levels.

doi: 10.1016/0375-9474(82)90529-2
Citations: PlumX Metrics

1982PI07      Z.Phys. A309, 87 (1982)

M.Piiparinen, T.Komppa, R.Komu, A.Pakkanen, J.Blomqvist

Particle Octupole Multiplet in ¹⁴⁷Gd

NUCLEAR REACTIONS ¹⁴⁷Sm(³He, 3n), E=20-27 MeV; ¹⁴⁷Sm(α, n), E=16-20 MeV; measured σ(Eγ), γγ-coin, I(ce), γ(θ), γγ(t). ¹⁴⁷Gd deduced levels, J, π, γ-branching, γ-multipolarity.

doi: 10.1007/BF01420156
Citations: PlumX Metrics

1981KO16      Phys.Scr. 24, 10 (1981)

M.Kortelahti, M.Piiparinen, A.Pakkanen, T.Komppa, R.Komu

Medium-Spin States in the N = 82 Nuclei ¹⁴¹Pr and ¹⁴³Pm

NUCLEAR REACTIONS ¹⁴²Ce, ¹⁴⁴Nd(p, 2n), E=15.8-20.4 MeV; ¹⁴⁵Nd(p, 3n), E=20.4 MeV; measured Eγ, Iγ, pγ(t), γ(θ), γγ-coin, I(ce). ¹⁴¹Pr, ¹⁴³Pm deduced levels, J, π, γ-multipolarity, ICC.

doi: 10.1088/0031-8949/24/1A/002
Citations: PlumX Metrics

1980KO16      Nucl.Phys. A342, 421 (1980)

M.Kortelahti, M.Piiparinen, A.Pakkanen, T.Komppa, R.Komu, S.Brant, I.J.Udovicic, V.Paar

In-Beam Study of ¹⁴⁵Pm and the Cluster-Vibration Model for Odd Pm Nuclei

NUCLEAR REACTIONS ¹⁴⁶Nd(p, 2n), E=14.9-20.2 MeV; measured Eγ, Iγ(E), Iγ(θ), I(ce), γγ-coin, pγ(t). ¹⁴⁵Pm deduced levels, J, π, T_1/2, ICC, δ(E2/M1). Enriched targets.

doi: 10.1016/0375-9474(80)90554-0
Citations: PlumX Metrics

1980PI03      Nucl.Phys. A342, 53 (1980)

M.Piiparinen, M.Kortelahti, A.Pakkanen, T.Komppa, R.Komu

Medium-Spin States in the N = 80 Nuclei ¹³⁹Pr and ¹⁴¹Pm

NUCLEAR REACTIONS ¹⁴²Nd, ¹⁴⁰Ce(p, 2nγ), ¹⁴²Nd(p, 2n), E=15-20 MeV; ¹⁴¹Pr, ¹³⁹La(³He, 3nγ), ¹³⁹La, ¹⁴¹Pr(³He, 3n), E=19-27 MeV; ¹⁴¹Pr, ¹³⁹La(α, 4nγ), E=49-55 MeV; measured Eγ, Iγ(E), Iγ(θ), I(ce), γγ-coin, pγ(t), ³Heγ(t), (ce)p(t), (ce)³He(t). ¹³⁹Pr, ¹⁴¹Pm deduced levels, J, π, T_1/2, ICC, B(λ), δ(E2/M1). Enriched, natural targets.

doi: 10.1016/0375-9474(80)90506-0
Citations: PlumX Metrics

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, T_1/2. Enriched targets.

doi: 10.1016/0375-9474(79)90011-3
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1977KO24      Nucl.Phys. A288, 365 (1977)

M.Kortelahti, A.Pakkanen, M.Piiparinen, T.Komppa, R.Komu

Structure of Odd-A Pm Nuclei (I). ¹⁴⁷Pm

NUCLEAR REACTIONS ¹⁴⁸Nd(p, 2nγ), E=12.1-20.2 MeV; measured Eγ, Iγ(E), Iγ(θ), ICC, γγ-coin, pγ-delay. ¹⁴⁷Pm deduced levels, J, π, T_1/2, ICC, B(λ), δ(E2/M1). Enriched targets.

doi: 10.1016/0375-9474(77)90337-2
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1977PA20      Z.Phys. A282, 277 (1977)

A.Pakkanen, M.Piiparinen, M.Kortelahti, T.Komppa, R.Komu, J.Aysto

Properties of Isomeric States and the πd-vi₁₃/₂ Multiplet in ¹⁹⁴Au

RADIOACTIVITY ^194mAu; measured I(ce); deduced ICC.

NUCLEAR REACTIONS ¹⁹⁴Pt(p, nγ), E=11.6 MeV; ¹⁹⁵Pt(p, 2nγ), E=12.1, 14.8, 15.8, 17.8, 20.3 MeV; measured Eγ, Iγ, γγ(t), γ(θ). ¹⁹⁴Au deduced levels, T_1/2, λ, B(λ).

doi: 10.1007/BF01414895
Citations: PlumX Metrics

1973PA08      Nucl.Phys. A206, 164 (1973)

A.Pakkanen, P.Puumalainen, H.Helppi, T.Komppa

Isomeric Transition in ¹⁹⁸Au

RADIOACTIVITY ^198mAu [from ¹⁹⁷Au(d, p), ¹⁹⁸Hg(n, p)]; measured T_1/2, Eγ, ICC, Iγ, I(ce), γγ-, ceγ-coin, γγ-delay, ICC; ¹⁹⁸Au deduced levels, J, π, T_1/2.

doi: 10.1016/0375-9474(73)90613-1
Citations: PlumX Metrics

1972PA06      Nucl.Phys. A184, 157 (1972)

A.Pakkanen, T.Komppa, H.Helppi

New ²⁰⁴Au Activity and the Decay of ²⁰²Au

RADIOACTIVITY ²⁰²Au[from ²⁰²Hg(n, p), ²⁰⁵Tl(n, α)], ²⁰⁴Au[from ²⁰⁴Hg(n, p)]; measured T_1/2, Eγ, Iγ, γγ, γβ-coin; deduced log ft. ^202,204Hg deduced levels, J, π, γ-branching. Natural targets.

doi: 10.1016/0375-9474(72)90450-2
Citations: PlumX Metrics

1972PA24      Z.Phys. 254, 98 (1972)

A.Pakkanen, H.Helppi, T.Komppa, P.Puumalainen

Low-Lying Levels of ²⁰¹Hg from the Decay of ²⁰¹Au

RADIOACTIVITY ²⁰¹Au; measured Eγ, Iγ, γγ-coin, Eβ, βγ-coin, Xγ-coin; deduced Q, log ft. ²⁰¹Hg deduced levels, J, π, γ-branching. Ge(Li), Si(Li), NaI(Tl) detectors.

doi: 10.1007/BF01380058
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1972PA38      Comment.Phys.-Math. 42, 267 (1972)

A.Pakkanen, T.Komppa, H.Helppi

On Low-Lying Levels in Stable Even Mercury Isotopes

RADIOACTIVITY ^202,204Au; measured T_1/2. ^202,204Hg deduced levels.

1971KO03      Nucl.Phys. A163, 513 (1971)

T.Komppa, A.Pakkanen, J.Kantele

Reinvestigation of the Decay of ²⁰⁰Tl

RADIOACTIVITY ²⁰⁰Tl[from ¹⁹⁷Au(α, n), Hg(d, xn)]; measured Eγ, Iγ, γγ-coin; deduced log ft. ²⁰⁰Hg deduced levels, J, π, γ-branching. Natural targets.

doi: 10.1016/0375-9474(71)90505-7
Citations: PlumX Metrics