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NSR database version of April 11, 2024.

Search: Author = L.E.De Geer

Found 10 matches.

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1980BJ01      Phys.Lett. 91B, 35 (1980)

T.Bjornstad, L.-E.De Geer, G.T.Ewan, P.G.Hansen, B.Jonson, K.Kawade, A.Kerek, W.-D.Lauppe, H.Lawin, S.Mattsson, K.Sistemich

Structure of the Levels in the Doubly Magic Nucleus 132Sn

RADIOACTIVITY 132mSn [from 235U(n, F), E=th]; 132In [from U(p, X), E=600 MeV]; measured γγ-coin, Iγ, Eγ, Iβ, ICC. 132Sn deduced levels, J, π, γ-branching, T1/2, multipolarity.

doi: 10.1016/0370-2693(80)90656-5
Citations: PlumX Metrics


1980DE35      Phys.Rev. C22, 2163 (1980)

L.-E.De Geer, G.B.Holm

Energy Levels of 127,129,131Sn Populated in the β-Decay of 127,129,131In

RADIOACTIVITY 127,129,131In [from 235U(n, F); isotopic separation]; measured T1/2, Eγ, Iγ, Ep, I(ce), γγ-, βγ-coin; deduced log ft. 127,129,131Sn deduced levels, J, π. Ge(Li), Si(Li), plastic, anthracene detectors.

doi: 10.1103/PhysRevC.22.2163
Citations: PlumX Metrics


1977HA04      Nucl.Phys. A276, 299 (1977)

Z.Haratym, J.Kownacki, J.Ludziejewski, Z.Sujkowski, L.-E.De Geer, A.Kerek, H.Ryde

High-Spin States and Evidence for Particle-Core Coupling in the N = 83 Isotones: 143Nd, 145Sm and 147Gd

NUCLEAR REACTIONS 142Ce, 144Nd(α, 3nγ), 144Sm(α, nγ), E=20-43 MeV; measured σ(Eα, Eγ), σ(Eγ, θ), γγ-coin, αγ-delay. 143Nd, 145Sm, 147Gd deduced levels, J, π, T1/2. Enriched targets. Ge(Li) detectors.

doi: 10.1016/0375-9474(77)90385-2
Citations: PlumX Metrics


1976DE11      Nucl.Phys. A259, 399 (1976)

L.-E.de Geer, A.Kerek, Z.Haratym, J.Kownacki, J.Ludziejewski

High-Spin States in 144Nd Observed in the (α, 2nγ) Reaction

NUCLEAR REACTIONS 142Ce(α, 2nγ), E=28-40 MeV; measured σ(Eα, Eγ), σ(Eγ, θ), γγ- coin, αγ-delay. 144Nd deduced levels, J, π, δ-mixing, T1/2 upper limit. Enriched target. Ge(Li) detectors.

doi: 10.1016/0375-9474(76)90075-0
Citations: PlumX Metrics


1976FO02      Z.Phys. A276, 381 (1976)

B.Fogelberg, L.-E.De Geer, K.Fransson, M.af Ugglas

Transition Probabilities and Energy Levels in Heavy Odd-Mass Isotopes of Sn (A = 119-125)

RADIOACTIVITY 119,121,123,125In [from 235U(n, F), 238U(α, F)]; measured Eγ, Iγ, E(ce), I(ce), γγ-coin, βγ(t); deduced ICC, log ft. 119,121,123,125Sn deduced levels, J, π, T1/2, B(λ), λ, hindrance factors.

doi: 10.1007/BF01548308
Citations: PlumX Metrics


1976LU07      Phys.Scr. 14, 133 (1976)

J.Ludziejewski, J.Bialkowski, Z.Haratym, L.-E.De Geer, A.Kerek, J.Kozyczkowski

The Life-Time Measurements of Some High-Spin States in the 138,139Ce and 141,142Nd Nuclei

NUCLEAR REACTIONS 138Ba(α, 4nγ), (α, 3nγ), 142Ce(α, 4nγ), (α, 5nγ), E=51 MeV; measured Eγ, Iγ(t). 138,139Ce, 141,142Nd deduced levels, T1/2.

doi: 10.1088/0031-8949/14/4/002
Citations: PlumX Metrics


1975DE13      Nucl.Phys. A246, 104 (1975)

L.-E.de Geer, A.Kerek, Z.Haratym, J.Kownacki, J.Ludziejewski

High-Spin States in the Single-Closed-Shell Nucleus 142Nd

NUCLEAR REACTIONS 140Ce(α, 2nγ), 142Ce(α, 4nγ), E=28-51 MeV; measured σ(Eα, Eγ), σ(Eγ, θ), γγ-coin. 142Nd deduced levels, J, π, γ-mixing. Enriched targets. Ge(Li) detectors.

doi: 10.1016/0375-9474(75)90566-7
Citations: PlumX Metrics


1973KE06      Phys.Lett. 44B, 252 (1973)

A.Kerek, G.B.Holm, L.-E.De Geer, S.Borg

The First Excited State in the Doubly-Closed-Shell Nucleus 132Sn Populated in the 0.12 s β--Decay of 132In

RADIOACTIVITY 132In; measured T1/2, Eβ, Eγ. 132Sn deduced level.

doi: 10.1016/0370-2693(73)90217-7
Citations: PlumX Metrics


1973KE27      Izv.Akad.Nauk SSSR, Ser.Fiz. 37, 1629 (1973); Bull.Acad.Sci.USSR, Phys.Ser. 37, No.8, 59 (1974)

A.Kerek, G.B.Holm, L.E.DeGeer, S.Borg

First Excited State of the Doubly Magic Nucleus 132Sn, Populated in the β Decay of 132In (T1/2 = 0.12 sec)

RADIOACTIVITY 132In; measured T1/2, Eβ, Eγ. 132Sn deduced levels.


1972KE21      Nucl.Phys. A195, 177 (1972)

A.Kerek, G.B.Holm, S.Borg, L.-E.de Geer

Two-Proton and Proton-Neutron States in the Doubly Closed Shell 132Sn Region

RADIOACTIVITY 134Sb[from 235U fission]; measured T1/2, Eγ, Iγ, E(ce), I(ce), Eβ-, γγ-coin, γγ-delay; deduced log ft, Q. 134Te deduced levels, J, π, ICC, γ-multipolarity. Isotopically separated source;Ge(Li), Si(Li), anthracene detectors, Ge(Li)-Ge(Li) coin.

doi: 10.1016/0375-9474(72)90729-4
Citations: PlumX Metrics


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Note: The following list of authors and aliases matches the search parameter L.E.De Geer: L.E.DE GEER, L.E.DEGEER