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NSR database version of April 26, 2024.

Search: Author = S.Jonsson

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2020RA12      Appl.Radiat.Isot. 164, 109293 (2020)

H.Rameback, A.Tovedal, P.Lagerkvist, S.Jonsson, A.Vesterlund

Alpha spectrometry and liquid scintillation counting for the measurement of ²³⁸Pu, ²³⁹Pu, ²⁴⁰Pu, ²⁴¹Pu, ²⁴²Pu and age

RADIOACTIVITY ^239,240Pu(α); measured decay products, Eα, α; deduced age of plutonium.

doi: 10.1016/j.apradiso.2020.109293
Citations: PlumX Metrics

2016RA03      Nucl.Instrum.Methods Phys.Res. A815, 57 (2016)

H.Rameback, P.Lagerkvist, S.Holmgren, S.Jonsson, B.Sandstrom, A.Tovedal, A.Vesterlund, T.Vidmar, J.Kastlander

On the accuracy of gamma spectrometric isotope ratio measurements of uranium

RADIOACTIVITY ^234,235,238U(α); measured decay products, Eγ, Iγ; deduced the isotopic composition of uranium. Comparison with available data.

doi: 10.1016/j.nima.2016.01.056
Citations: PlumX Metrics

1986JO02      Nucl.Phys. A449, 537 (1986)

S.Jonsson, N.Roy, H.Ryde, W.Walus, J.Kownacki, J.D.Garrett, G.B.Hagemann, B.Herskind, R.Bengtsson, S.Aberg

Near-Yrast Spectroscopy of ¹⁶⁴Yb and Neighbouring Nuclei: Systematics of octupole bands and bandcrossings

NUCLEAR STRUCTURE ¹⁶⁴Yb; calculated levels, octupole band structure, routhians; deduced two-quasineutron routhians, alignments and two-quasineutron residual interaction. Cranked-shell-model comaprison. Octupole-phonon plus rotor calculation of octupole bands.

NUCLEAR REACTIONS ¹⁵²Sm(¹⁶O, 4n), ¹⁵⁰Sm(¹⁸O, 4n), E=81-84 MeV; measured γγ-coin, γ(θ). ¹⁶⁴Yb deduced levels, J, π, ICC, rotational band characteristics. Enriched targets, Ge(Li) detectors, Compton-suppressed Ge(Li) coincidence set-up, mini-orange spectrometer, Si(Li) detector. Cranked shell model calculations.

doi: 10.1016/0375-9474(86)90234-4
Citations: PlumX Metrics

1986WA32      Phys.Scr. 34, 710 (1986)

W.Walus, L.Carlen, S.Jonsson, J.Lyttkens, H.Ryde, J.Kownacki, W.Nazarewicz, J.C.Bacelar, J.Dudek, J.D.Garrett, G.B.Hagemann, B.Herskind, C.X.Yang

Deformation Dependence of Single Quasiproton States in ¹⁷⁷Re

NUCLEAR REACTIONS ¹⁶⁵Ho(¹⁶O, 4n), E=78-84.5 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. ¹⁷⁷Re deduced levels, J, π, γ-branching, δ, configurations, B(M1)/(Q₀²). Woods-Saxon cranking model.

doi: 10.1088/0031-8949/34/6A/028
Citations: PlumX Metrics

1984JO05      Nucl.Phys. A422, 397 (1984)

S.Jonsson, J.Lyttkens, L.Carlen, N.Roy, H.Ryde, W.Walus, J.Kownacki, G.B.Hagemann, B.Herskind, J.D.Garrett, P.O.Tjom

Proton Configuration Dependence of Neutron Alignments and Transition Probabilities in ¹⁶⁵Lu

NUCLEAR REACTIONS ¹⁵³Eu(¹⁶O, 4n), E=73-85 MeV; measured γγ-coin, γ(θ), Iγ(E), γ(t). ¹⁶⁵Lu deduced levels, J, π, aligment, B(M1) rates. Enriched targets, Ge(Li) detectors, Compton suppressed Ge(Li) coincidence set up.

doi: 10.1016/0375-9474(84)90524-4
Citations: PlumX Metrics

1983HA51      Hyperfine Interactions 15/16, 245 (1983)

E.Hagn, S.Jonsson, C.Trautmann, E.Zech

Low-Temperature Nuclear Orientation of ^209,210At after Recoil-Implantation into Be Single Crystals

RADIOACTIVITY ²⁰⁹At(EC), (α); ²¹⁰At(EC), (β⁺), (α) [from ²⁰⁹Bi(α, xn), E=45 MeV]; measured γ(θ), oriented nuclei; deduced quadrupole interaction in Be at low temperatures. ^209,210At deduced quadrupole moment ratio.

doi: 10.1007/BF02159748
Citations: PlumX Metrics

1983KO05      Nucl.Phys. A394, 269 (1983)

J.Kownacki, J.D.Garrett, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, S.Jonsson, N.Roy, H.Ryde, W.Walus

High-Spin Properties of ¹⁶³Yb Band-Crossings and Signature-Splitting in Yb Nuclei

NUCLEAR REACTIONS ¹⁴⁹Sm(¹⁸O, 4n), E=81-85 MeV; measured γγ-coin, γ(θ), I(ce). ¹⁶³Yb deduced levels, J, π, yrast transitions, spin alignments, band crossings, routhians, γ-branching ratios. Enriched targets, Compton suppressed Ge(Li) array detectors. Cranked shell model.

doi: 10.1016/0375-9474(83)90173-2
Citations: PlumX Metrics

1983YA08      Phys.Lett. 133B, 39 (1983)

C.X.Yang, J.Kownacki, J.D.Garrett, G.B.Hagemann, B.Herskind, J.C.Bacelar, J.R.Leslie, R.Chapman, J.C.Lisle, J.N.Mo, A.Simcock, J.C.Willmott, W.Walus, L.Carlen, S.Jonsson, J.Lyttkens, H.Ryde, P.O.Tjom, P.M.Walker

The Identification of the (1/2)⁺[660] Proton Orbitals at High Spins in Rare-Earth Nuclei

NUCLEAR REACTIONS ¹⁵⁹Tb, ¹⁶⁵Ho(¹⁶O, 4n), E=85 MeV; measured γγ-coin, X-ray(γ)(t), I(ce). ¹⁷¹Ta, ¹⁷⁷Re deduced levels, γ-branching, band structure, proton orbital Nilsson assignment.

doi: 10.1016/0370-2693(83)90101-6
Citations: PlumX Metrics

1982CA09      Nucl.Phys. A381, 155 (1982)

L.Carlen, S.Jonsson, J.Krumlinde, J.Lyttkens, N.Roy, H.Ryde, S.Stromberg, W.Walus, G.B.Hagemann, B.Herskind

High-Spin States and Yrast Isomerism in ¹⁵³Er

NUCLEAR REACTIONS ¹⁴⁴Sm(¹²C, 3n), E=53-65 MeV; measured Eγ, Iγ(E), Iγ(t), Iγ(θ), γ-ray multiplicity mean values, standard deviations, I(ce). ¹⁵³Er deduced levels, J, π, T_1/2. Enriched targets, Ge(Li), Ge, NaI(Tl) detectors, Compton suppression, mini-orange electron spectrometer with Si-Li detector.

doi: 10.1016/0375-9474(82)90503-6
Citations: PlumX Metrics

1982RO08      Nucl.Phys. A382, 125 (1982)

N.Roy, S.Jonsson, H.Ryde, W.Walus, J.J.Gaardhoje, J.D.Garrett, G.B.Hagemann, B.Herskind

Near-Yrast Spectroscopy of ^165-167Yb

NUCLEAR STRUCTURE ^165,166,167Yb; calculated two-, three-quasineutron routhians. ¹⁶⁶Yb deduced two-quasineutron residual interaction. Cranked shell model.

NUCLEAR REACTIONS ^152,154Sm(¹⁷O, xn), (¹⁸O, xn), E=80-84 MeV; measured γγ-coin, γ(θ), ICC following 4, 5 neutron emission. ^165,167Yb deduced levels, J, π, B(M1), one-, three-quasineutron alignments. Enriched targets, Ge(Li) detectors, Nal(Tl) array, Compton-suppressed Ge(Li) coincidence, mini-orange spectrometer, Si-Li detector.

doi: 10.1016/0375-9474(82)90445-6
Citations: PlumX Metrics

1981GA14      Phys.Rev.Lett. 47, 75 (1981)

J.D.Garrett, O.Andersen, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, J.Kownacki, J.C.Lisle, L.L.Riedinger, W.Walus, N.Roy, S.Jonsson, H.Ryde, M.Guttormsen, P.O.Tjom

Evidence for Decreased Pairing Energies in Odd-N Nuclei from Band-Crossing Frequencies

NUCLEAR STRUCTURE ^{156,158,160,162,164}Er, ^{160,161,162,163,164,165,166,167}Yb, ^{164,168,169,170,171}Hf, ^{172,173,174,175,176}W; analyzed yrast band angular frequency systemetics, neutron pairing correlation parameter data; deduced odd neutron number dependence. Cranked shell model.

doi: 10.1103/PhysRevLett.47.75
Citations: PlumX Metrics

1981WA23      Phys.Scr. 24, 324 (1981)

W.Walus, N.Roy, S.Jonsson, L.Carlen, H.Ryde, G.B.Hagemann, B.Herskind, J.D.Garrett, Y.S.Chen, J.Almberger, G.Leander

High-Spin Band Structure in ¹⁶⁶Yb

NUCLEAR REACTIONS ¹⁵⁴Sm(¹⁶O, 4n), E=80 MeV; measured γγ-coin, Eγ, Iγ, γ(θ), I(ce). ¹⁶⁶Yb deduced levels, J, π, γ-branching, rotational bands, B(E2), B(M1) ratios.

doi: 10.1088/0031-8949/24/1B/031
Citations: PlumX Metrics

1980CH19      Nucl.Phys. A343, 449 (1980)

M.Chevallier, G.Faldt, A.Hallgren, S.Jonsson, B.Badelek, J.P.Burq, M.Chemarin, S.Dahlgren, P.Grafstrom, E.Hagberg, B.Ille, S.Kullander, M.Lambert, J.Nassalski, M.Querrou, F.Vazeille

Quasi-Elastic Pion-Helium Scattering at 5 GeV/c

NUCLEAR REACTIONS ⁴He(π^-, π^-p), E at 5 GeV/c; measured σ.

doi: 10.1016/0375-9474(80)90664-8
Citations: PlumX Metrics

1980JO01      Phys.Rev. C21, 306 (1980)

S.Jonsson, S.Dahlgren, T.Ekelof, P.Grafstrom, E.Hagberg, A.Hallgren, S.Kullander, B.Badelek, J.Nassalski, J.Berthot, P.Cotte, C.Dore, L.Meritet, M.Querrou, F.Vazeille, J.P.Burq, M.Chemarin, M.Chevallier, B.Ille, M.Lambert, G.Faldt, P.C.Gugelot

Production and Knockout of Nucleon Isobars from Helium by 5 GeV Pions

NUCLEAR REACTIONS ⁴He(π^-, π^-X), E=5 GeV; measured production σ for X=p, meson, isobar; deduced p-t momentum wave function.

doi: 10.1103/PhysRevC.21.306
Citations: PlumX Metrics

1979BA09      Phys.Lett. 81B, 308 (1979)

B.Badelek, J.Berthot, J.P.Burq, M.Chemarin, M.Chevallier, P.Cotte, S.Dahlgren, C.Dore, T.Ekelof, P.Grafstrom, P.C.Gugelot, E.Hagberg, A.Hallgren, B.Ille, S.Jonsson, S.Kullander, M.Lambert, L.Meritet, J.Nassalski, M.Querrou, F.Vazeille

Information on the Nucleon-Isobar Content in Helium from 5 GeV Pion-Helium Interactions

NUCLEAR REACTIONS ⁴He(π^-, π^-t), E=5 GeV; measured σ; deduced yield of isobar-triton in He. Impulse approximation.

doi: 10.1016/0370-2693(79)90341-1
Citations: PlumX Metrics