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NSR database version of April 27, 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, T_1/2.

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, ^{32,33,34,35,36,37,38,39,40,41,42,43,44,45,46}Ar, ^{112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133}Xe, ^{79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94}Rb, ^{123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144}Cs, ^{201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230}Fr; 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 T_1/2 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 T_1/2.

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 T_1/2. ⁷¹Br, ⁷⁴Rb, ^78,77Sr, ¹¹⁴I, ^112,114Xe, ¹¹⁵Cs, ^122,120,118Ba; calculated T_1/2.

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, ^{130,128,127,125}Cs(EC), ²²³Fr, ²²⁷Ra(β^-); measured decay products, Eβ; deduced Q. ^76,77,78,80Rb, ^{126,124,123,122,121,120,119}Cs(EC), ^{222,224,225,226,227}Fr, 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 ^{188,189,190,191,192}Pb [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 T_1/2, 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 ^{117,118,119,120}Cs; measured T_1/2.

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 T_1/2 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, T_1/2. 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 T_1/2. 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, T_1/2, 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 T_1/2(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.