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NSR database version of May 6, 2024.

Search: Author = V.Rahkonen

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1987RA04      Nucl.Phys. A464, 349 (1987)

V.Rahkonen, T.Lonnroth

Low- and Medium-Spin States in ²⁰⁴Po

NUCLEAR REACTIONS ²⁰⁴Pb(³He, 3n), E=23, 27.6 MeV; measured Eγ, Iγ(E), γ(θ), γγ-coin, Iγ(t), I(ce). ²⁰⁴Po deduced levels, J, π, ICC, T_1/2, B(λ), configurations. Enriched targets, Ge, Ge(Li), Si-Li detectors. Shell model.

doi: 10.1016/0375-9474(87)90304-6
Citations: PlumX Metrics

1986FA04      Nucl.Phys. A453, 77 (1986)

B.Fant, T.Weckstrom, V.Rahkonen, C.J.Herrlander, A.Kallberg

High-Spin and Isomeric States in ²⁰³Po

NUCLEAR REACTIONS ²⁰⁴Pb(α, 5n), E=63 MeV; measured Eγ, Iγ, γ(θ), γ(t), γγ(t), I(ce). ²⁰³Po deduced levels, J, π, T_1/2, B(λ), configurations. Enriched targets, Ge, Ge(Li), Si(Li) detectors. Shell model.

doi: 10.1016/0375-9474(86)90030-8
Citations: PlumX Metrics

1986RA24      Phys.Scr. 34, 720 (1986)

V.Rahkonen, B.Fant, C.J.Herrlander

On the Yrast Structure of ²⁰⁶Po

NUCLEAR REACTIONS ²⁰⁶Pb(α, 4n), E=51-55 MeV; ²⁰⁷Pb(α, 5n), E=59 MeV; ²⁰⁶Pb(³He, 3n), E=27 MeV; measured σ(E), γ(θ), Eγ, Iγ, I(ce), γγ-coin. ²⁰⁶Po deduced levels, J, π, T_1/2, γ-multipolarity, ICC. Enriched target, Ge(Li) detectors, electron lens. Shell model.

doi: 10.1088/0031-8949/34/6A/030
Citations: PlumX Metrics

1985RA18      Nucl.Phys. A441, 11 (1985)

V.Rahkonen, B.Fant, C.J.Herrlander, K.Honkanen, A.Kallberg, T.Weckstrom

An Investigation of the Yrast States in ^205,207Po

NUCLEAR REACTIONS ^{204,206,207,208}Pb(α, xn), E=40-63 MeV; ²⁰⁷Pb(³He, 3n), E=27 MeV; measured Eγ, Iγ, γ(θ), γ(t), γγ(t), I(ce). ^205,207Po deduced levels J, π, T_1/2, ICC, γ-multipolarity, B(λ), configurations. Ge, Ge(Li), Si-Li detectors, enriched targets. Shell-model.

doi: 10.1016/0375-9474(85)90165-4
Citations: PlumX Metrics

1985RA21      Z.Phys. A322, 333 (1985)

V.Rahkonen, T.Lonnroth

Low- and Medium-Spin in the N = 124 Isotones ²⁰⁸Po and ²⁰⁹At

NUCLEAR REACTIONS ²⁰⁹Bi(p, 2n), E=11.5-20 MeV; ²⁰⁸Pb, ²⁰⁹Bi(³He, 3n), E=20-27.6 MeV; measured Eγ, Iγ, I(ce), γγ-coin, γ(θ), Iγ(t). ²⁰⁸Po, ²⁰⁹At deduced levels, J, π, T_1/2, γ-multipolarity, ICC, configurations, γ-branching.

RADIOACTIVITY ²⁰⁸At(EC) [from ²⁰⁹Bi(³He, 4n), E=27.6 MeV]; measured Eγ, Iγ, I(ce), γγ(t), γγ-coin; deduced log ft. ²⁰⁸Po deduced levels, J, π, ICC, γ-branching, γ-multipolarity, configurations.

doi: 10.1007/BF01411900
Citations: PlumX Metrics

1985WE05      Z.Phys. A321, 231 (1985)

T.Weckstrom, B.Fant, T.Lonnroth, V.Rahkonen, A.Kallberg, C.-J.Herrlander

In-Beam Study of High-Spin States in ^199,200,201Po and Systematical Features of Z = 84 Polonium Isotopes

NUCLEAR REACTIONS ¹⁹⁴Pt(¹²C, 7n), (¹²C, 6n), (¹²C, 5n), ¹⁹⁵Pt(¹²C, 6n), E=100, 102, 106 MeV; measured Eγ, Iγ, γγ-, γγ(nn)-, γ(nn)-coin, γ yields, γ(X-ray)-coin. ^199,201Po deduced levels, J, π, γ-branching. ²⁰⁰Po deduced levels, isomer T_1/2, J, π, γ-branching, γ-multipolarity, configuration. Self-consistent Hartree-Fock calculations.

1982LO01      Nucl.Phys. A376, 29 (1982)

T.Lonnroth, V.Rahkonen, B.Fant

The Low-Seniority Shell-Model Structure of ²¹²At

NUCLEAR REACTIONS ²⁰⁹Bi(α, n), E=18-28 MeV; measured γγ-, (X-ray)γ-coin, T_1/2, Iγ, I(ce), γ(θ), σ(Eγ). ²¹²At deduced levels, J, π, configurations, B(λ).

doi: 10.1016/0375-9474(82)90531-0
Citations: PlumX Metrics

1982LO18      J.Phys.(London) G8, L153 (1982)

T.Lonnroth, V.Rahkonen

An Isomeric 10^- State in ²¹⁰At and Evidence for a Singlet-Force Splitting Effects in the π(h_9/2)³ν(p_1/2)^-1 Configuration

RADIOACTIVITY ²¹⁰At [from ²⁰⁹Bi(α, 3n)]; measured Eγ, Iγ, γ(θ), γγ-coin, T_1/2, I(ce); deduced levels, isomer, J, π, configuration, multiplet splitting, γ-multipolarity, E1 transition hindrance factor.

doi: 10.1088/0305-4616/8/1/014
Citations: PlumX Metrics

1981FA01      Nucl.Phys. A355, 171 (1981)

B.Fant, T.Lonnroth, V.Rahkonen

In-Beam Study of ²¹¹Po Excited States

NUCLEAR REACTIONS ²⁰⁸Pb(α, n), E=18.3-20.6 MeV; measured Eγ, Iγ, γ(θ), γ(t), γγ-coin, I(ce). ²¹¹Po deduced levels, J, π, T_1/2.

doi: 10.1016/0375-9474(81)90136-6
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, T_1/2, λ, δ.

1978RA03      Z.Phys. A284, 357 (1978)

V.Rahkonen, I.Bergstrom, J.Blomqvist, O.Knuuttila, K.-G.Rensfelt, J.Sztarkier, K.Westerberg

An Isomeric 19⁺ State of the πh²₉/₂i₁₃/₂νg₉/₂(j^-2)₀+ Configuration in ²¹⁰At and the Question of Isospin in the Two-Particle Core Polarization

NUCLEAR REACTIONS ²⁰⁹Bi(α, 3nγ), E=35-52 MeV; measured Eγ, Iγ(E, θ, t), I(ce). ²¹⁰At deduced levels, J, π, λ, T_1/2, g.

doi: 10.1007/BF01422102
Citations: PlumX Metrics

1976JU03      Phys.Lett. 65B, 337 (1976)

R.Julin, J.Kantele, M.Luontama, T.Poikolainen, V.Rahkonen

Half-Lives of Two-Neutron-Hole 0⁺₂ States in ²⁰⁶Pb and ²⁰⁸Po

NUCLEAR REACTIONS ²⁰⁹Bi(p, 2n), E=14.8 MeV; measured γ(t). ²⁰⁸Po, ²⁰⁶Pb deduced levels, λ, T_1/2.

doi: 10.1016/0370-2693(76)90236-7
Citations: PlumX Metrics

1975BE39      Z.Phys. A273, 291 (1975)

I.Bergstrom, C.J.Herrlander, T.Lindblad, V.Rahkonen, K.-G.Rensfelt, K.Westberg

Evidence for Two-Particle Core Polarization in the Isomeric 29/2⁺ and 21/2^- States of the π(h²₉/₂)₈+ i₁₃/₂ν(j^-2)₀+ and π(h³₉/₂)ν(j^-2)₀+ Configurations in ²⁰⁹At

NUCLEAR REACTIONS ²⁰⁹Bi(α, 4nγ), E=42-51 MeV; measured σ(Eγ, θ, t), γγ-coin, I(ce), ce(t). ²⁰⁹At deduced levels, J, π, ICC, g.

1974RA31      Phys.Fenn. 9, 103 (1974)

V.Rahkonen, J.Kantele

Decay of 0.30 s ⁶⁴Co

RADIOACTIVITY ⁶⁴Co [from ⁶⁴Ni(n, p), E=14-15 MeV]; measured Eγ, Iγ, βγ-coin, T_1/2; deduced Q, J, π. ⁶⁴Ni levels deduced transitions, γ-branching.