NSR Query Results


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NSR database version of April 11, 2024.

Search: Author = L.Westgaard

Found 17 matches.

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1980GA23      Nucl.Phys. A350, 278 (1980)

Dz.Ganzorig, P.G.Hansen, T.Johansson, B.Jonson, J.Konijn, T.Krogulski, S.M.Polikanov, G.Tibell, L.Westgaard

Fission of 232Th and 238U in the Interaction with Negative Muons

NUCLEAR REACTIONS, Fission 232Th, 238U(μ-, F), E at rest; measured μ(fragment)(t), μ(electron)(t), μ(fragment)(electron)(t). 232Th, 238U deduced higher probability for heavy fragment muon attachment, T1/2.

doi: 10.1016/0375-9474(80)90460-1
Citations: PlumX Metrics


1979CA16      Nucl.Instrum.Methods 158, 69 (1979)

L.C.Carraz, S.Sundell, H.L.Ravn, M.Skarestad, L.Westgaard

High-temperature carbide targets for fast on-line mass separation of alkali and noble gas elements

NUCLEAR REACTIONS U, La, V(p, X), E=600 MeV; measured reaction products. Eγ, Iγ, Eβ, Iβ, Eα, Iα. 8Li, 20Na, 111,125,127In, 142Pr, 147Nd, 149,150,151Pm, 152,156Eu, 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46Ar, 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133Xe, 79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94Rb, 123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144Cs, 201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230Fr; deduced production yields. ISOLDE-CERN on-line isotope separator.

RADIOACTIVITY 32Ar(β+p), 46Ar(β-), 201,202,230Fr(α) [from U, La, V(p, X), E=600 MeV]; measured decay products, Eγ, Iγ, Eβ, Iβ, Eα, Iα, Ep, Ip, X-rays. 32,46Ar, 201,202,230Fr; deduced T1/2 of decays of ground states of newly discovered isotopes.

doi: 10.1016/s0029-554x(79)90595-0
Citations: PlumX Metrics


1978GA14      Phys.Lett. 78B, 41 (1978)

D.Ganzorig, P.G.Hansen, T.Johansson, B.Jonson, J.Konijn, T.Krogulski, V.D.Kuznetsov, S.M.Polikanov, G.Tibell, L.Westgaard

The Muon Capture Rate in 232Th and 238U Studied in the Fission Mode

NUCLEAR REACTIONS 232Th, 238U(μ-, F); measured muon capture rate.

doi: 10.1016/0370-2693(78)90342-8
Citations: PlumX Metrics


1978GA15      Phys.Lett. 77B, 257 (1978)

D.Ganzorig, P.G.Hansen, T.Johansson, B.Jonson, J.Konijn, T.Krogulski, V.D.Kuznetsov, S.M.Polikanov, G.Tibell, L.Westgaard

Fission of Muonic 232Th and 238U

NUCLEAR REACTIONS 232Th, 238U(μ-, F), E at rest; measured prompt fission spectra.

doi: 10.1016/0370-2693(78)90701-3
Citations: PlumX Metrics


1977DA04      Phys.Lett. 66B, 233 (1977)

J.M.D'Auria, L.C.Carraz, P.G.Hansen, B.Jonson, S.Mattsson, H.L.Ravn, M.Skarestad, L.Westgaard, ISOLDE Collaboration

The N = Z Nuclide 74Rb with T, Iπ = 1, 0+

RADIOACTIVITY 74,75Rb; measured T1/2.

doi: 10.1016/0370-2693(77)90868-1
Citations: PlumX Metrics


1975RA03      J.Inorg.Nucl.Chem. 37, 383 (1975)

H.L.Ravn, S.Sundell, L.Westgaard, E.Roeckl

Short-Lived Isotopes of Alkali and Alkaline-Earth Elements Studied by on-Line Isotope Separator Techniques

RADIOACTIVITY 75,76,77Rb, 124,136mCs, 124Ba, 227,228,229Fr, 229Ra; measured T1/2. 71Br, 74Rb, 78,77Sr, 114I, 112,114Xe, 115Cs, 122,120,118Ba; calculated T1/2.

NUCLEAR REACTIONS 139La(p, xn3p), E=600 MeV; measured σ for production of Cs.

doi: 10.1016/0022-1902(75)80343-5
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0753.


1975WE23      Z.Phys. A 275, 127 (1975)

L.Westgaard, K.Aleklett, G.Nyman, E.Roeckl

Beta-Decay Energies and Masses of Short-Lived Isotopes of Rubidium, Caesium, Francium, and Radium

RADIOACTIVITY 106Rh(β-), 66Ga, 79Rb, 130,128,127,125Cs(EC), 223Fr, 227Ra(β-); measured decay products, Eβ; deduced Q. 76,77,78,80Rb, 126,124,123,122,121,120,119Cs(EC), 222,224,225,226,227Fr, 229Ra, 229Ac(β-); measured decay products, Eβ, βγ-coin; deduced Q, Q limits.

doi: 10.1007/bf01409588
Citations: PlumX Metrics


1974HO26      Nucl.Phys. A230, 365 (1974)

P.Hornshoj, P.G.Hansen, B.Jonson, H.L.Ravn, L.Westgaard, O.B.Nielsen

Widths for s- and d-Wave α-Decay of Neutron-Deficient Isotopes with Z ≤ 82

RADIOACTIVITY 188,189,190,191,192Pb [from 232Th(p, spall)]; measured K X/α; deduced α-branching ratios. 180Hg [from Pb(p, spall)]; 176Pt [from 180Hg α-decay]; measured Eα, Iα, αγ-coin; deduced α fine-structure intensities. Mass-separated samples, natural target. Si surface barrier detector Ge(Li) detector.

doi: 10.1016/0375-9474(74)90143-2
Citations: PlumX Metrics


1972ER05      Nucl.Phys. A194, 449 (1972)

B.R.Erdal, L.Westgaard, J.Zylicz, E.Roeckl, for the ISOLDE Collaboration

New Isotopes 73Zn and 74Zn

RADIOACTIVITY 73Zn, 73Ga, 74Zn, 74Ga[from Ge(p, 3pxn)]; measured T1/2, Eβ, Eγ, Iγ, βγ-coin; deduced Qβ. On-line mass separation.

doi: 10.1016/0375-9474(72)90993-1
Citations: PlumX Metrics


1972RA16      Phys.Lett. 39B, 337 (1972)

H.L.Ravn, S.Sundell, L.Westgaard

Very Neutron-Deficient Isotopes of Cs Studied by on-Line Isotope Separator Techniques

RADIOACTIVITY 117,118,119,120Cs; measured T1/2.

doi: 10.1016/0370-2693(72)90132-3
Citations: PlumX Metrics


1972WE12      Nucl.Phys. A192, 517 (1972)

L.Westgaard, B.R.Erdal, P.G.Hansen, E.Kugler, G.Sletten, S.Sundell, T.Fritsch, E.Henrich, W.Theis, G.K.Wolf, J.Camplan, R.Klapisch, R.Meunier, A.M.Poskanzer, C.Stephan, J.Tys

Search for Super-Heavy Elements Produced by Secondary Reactions in Uranium

NUCLEAR REACTIONS U(p, X), E=24 GeV; measured production σ for 236,238,239Pu, 241Am, 242Cm, 248Cf; deduced upper limits for super-heavy element production.

doi: 10.1016/0375-9474(72)90088-7
Citations: PlumX Metrics


1968PA04      J.Inorg.Nucl.Chem. 30, 890 (1968)

A.C.Pappas, P.O.Strom, L.Westgaard

Existence of a 1-hr 129Sn Isomer not Confirmed

NUCLEAR STRUCTURE 129Sn; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(68)80453-1
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23542.


1967BJ03      Nucl.Phys. A95, 513 (1967)

S.Bjornholm, J.Borggreen, L.Westgaard, V.A.Karnaukhov

Excitation Energy of the Spontaneously Fissioning Isomeric State in 240Am

NUCLEAR REACTIONS 240Pu(d, 2n), E = 12.1 MeV; 240Pu(p, n), E = 10.3-11.3 MeV; measured σ (delayed fission). 241Pu(p, 2n), E = 9.6-13.6 MeV; measured σ (delayed fission); deduced threshold. Enriched target. 240mAm measured T1/2 for spontaneous fission.

doi: 10.1016/0375-9474(67)90846-9
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2042.


1967BO05      Nucl.Phys. A95, 202 (1967)

J.Borggreen, L.Westgaard, N.J.S.Hansen

A Spin 11/2 Isomer in 157Gd

RADIOACTIVITY 157mGd measured Eγ, Iγ, γγ-coin, γγ-delay, T1/2. 157Gd deduced levels, J, π. Ge(Li) detector. 150,152,154Sm(α, n), Eα = 18 MeV; measured σ, Eγ, αγ-delay. Enriched targets, Ge(Li) detector.

doi: 10.1016/0375-9474(67)90161-3
Citations: PlumX Metrics


1967BO08      Nucl.Phys. A96, 561 (1967)

J.Borggreen, N.J.S.Hansen, J.Pedersen, L.Westgaard, J.Zylicz, S.Bjornholm

Isomerism in 176Hf and Some Neighbouring Even Nuclei

NUCLEAR REACTIONS 176Lu(p, nγ), 181Ta(p, 2nγ), E = 10, 12 MeV; measured pγ-delay. 173Yb(d, pγ), 176Yb(d, d'γ), E = 12 MeV; measured dγ-delay. 176Hf, 174,176Yb, 180W levels deduced T1/2. Enriched 176Lu, 173,176Yb targets, Ge(Li) detector. 176mHf, 174m,176mYb, 180mW; measured Eγ, Iγ, I(ce), γγ-, γce-coin, γce-delay. 176Hf, 174,176Yb, 180W deduced levels, T1/2, J, π.

doi: 10.1016/0375-9474(67)90605-7
Citations: PlumX Metrics


1967CH16      Nucl.Phys. A102, 481 (1967)

P.R.Christensen, B.Herskind, R.R.Borchers, L.Westgaard

Neutron Single-Particle States in 143Nd and 145Sm

NUCLEAR REACTIONS 142Nd, 144Sm(d, d), E=12 MeV; measured σ(θ), 143Nd(d, d'), E=12 MeV; measured σ(Ed', θ). 142Nd, 144Sm(d, p), (d, pγ), E=12 MeV; measured σ(Ep, θ), pγ-coin; deduced Q. 143Nd, 145Sm deduced levels, J, π, L(n), S. Enriched targets.

doi: 10.1016/0375-9474(67)90387-9
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1204.


1966BR23      Nucl.Phys. 89, 267 (1966)

D.S.Brenner, L.Westgaard, S.Bjornholm

A Study of Nuclear Isomers Which Decay by Spontaneous Fission

RADIOACTIVITY 242Am isomer [from 242Pu(d, 2n)]; measured T1/2(SF), E(fragment)-spectrum. Enriched target. 242Pu(d, 2n), (d, F), E = 12 MeV; measured σ(F)(delayed)/σ(F)(prompt). Enriched target. 232Th, 235U, 239Pu, 241Am, 243Am(d, xn)(d, F), E = 12 MeV; 243Am(p, xn)(p, F), E = 13 MeV; measured upper limits σ(F)(delayed)/σ(F)(prompt). Enriched targets.

doi: 10.1016/S0029-5582(66)80089-5
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2041.


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