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NSR database version of April 27, 2024.

Search: Author = J.W.Petersen

Found 10 matches.

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1988AX01      Phys.Lett. 210B, 249 (1988)

H.Axelsson, M.Cronqvist, A.De Rujula, P.G.Hansen, L.Johannsen, B.Jonson, R.A.Naumann, G.Nyman, J.W.Petersen, H.L.Ravn, K.Riisager, J.A.Scircle, and the ISOLDE Collaboration

Candidates for Electron-Neutrino Mass Measurements. The Case of 81Kr

RADIOACTIVITY 81Kr(EC) [from 81Rb-decay]; measured (X-ray)(X-ray)-coin, relative Iγ; deduced Q(EC), branching ratio, ν(e) mass relevance.

doi: 10.1016/0370-2693(88)90380-2
Citations: PlumX Metrics


1988KU03      Nucl.Phys. A478, 425c (1988)

W.Kundig, M.Fritschi, E.Holzschuh, J.W.Petersen, R.E.Pixley, H.Stussi

An Upper Limit for the Electron Antineutrino Mass from the Zurich Experiment on Tritium β-Decay

RADIOACTIVITY 3H(β-); measured β-endpoint energy; deduced neutrino mass upper limit.

doi: 10.1016/0375-9474(88)90876-7
Citations: PlumX Metrics


1988RA04      Hyperfine Interactions 39, 81 (1988)

F.Raether, K.P.Lieb, J.Kesten, L.Ziegeler, J.W.Petersen

Magnetic Hyperfine Interaction after 77Br Implantation into Iron

RADIOACTIVITY 77Br(EC), (β+); measured γγ(θ, H, t); deduced 77Se magnetic hyperfine interaction in Fe.

doi: 10.1007/BF02394648
Citations: PlumX Metrics


1987NI08      Hyperfine Interactions 35, 643 (1987)

K.B.Nielsen, E.Danielsen, J.W.Petersen, M.Sondergaard, G.Weyer, and the ISOLDE Collaboration

Magnetic Hyperfine Fields of 119Sn in Vacancy-Associated Defect Structures in 3d Ferromagnets

NUCLEAR REACTIONS 119Sn(γ, γ), E=89.53 keV; measured Mossbauer spectra; deduced hyperfine interaction parameters.


1986FR09      Phys.Lett. 173B, 485 (1986)

M.Fritschi, E.Holzschuh, W.Kundig, J.W.Petersen, R.E.Pixley, H.Stussi

An Upper Limit for the Mass of (ν-bar)(e) from Tritium β-Decay

RADIOACTIVITY 3H(β-); measured β-spectrum endpoint; deduced neutrino mass upper limit.

doi: 10.1016/0370-2693(86)90420-X
Citations: PlumX Metrics


1986FR13      Helv.Phys.Acta 59, 1192 (1986)

M.Fritschi, E.Holzschuh, W.Kundig, J.W.Petersen, R.E.Pixley, H.Stussi

An Upper Limit for the Mass of ν(bar)(e) from Tritium β-Decay

RADIOACTIVITY 3H(β-); measured endpoint region of β-spectrum; deduced an upper limit for mass of ν(bar)(e). Magnetic spectrometer.


1985PE09      Hyperfine Interactions 23, 17 (1985)

J.W.Petersen, G.Weyer, H.L.Nielsen, S.Damgaard, W.J.Choyke, H.Andreasen, and the ISOLDE Collaboration

119Sn Mossbauer Study of the Implantation Behaviour of 119In, 119mSn, 119Sb, and 119mTe Ions in SiC

NUCLEAR REACTIONS 119Sn(γ, γ), E=24 keV; measured Mossbauer conversion electron, emission spectra; deduced 119In, 119,119mSn, 119Sb, 119mTe ion implantation behavior in SiC.

doi: 10.1007/BF02060136
Citations: PlumX Metrics


1984NI08      J.Phys.(London) C17, 3519 (1984)

K.B.Nielsen, H.K.Schou, T.Lauritsen, G.Weyer, I.Stensgaard, J.W.Petersen, S.Damgaard

The Electric Quadrupole Hyperfine Interaction at Sites of Ion-Implanted Fluorine in Amorphous and Crystalline Silicon

NUCLEAR REACTIONS 19F(p, p'), E=2.02 MeV; measured γ(θ, H.t). 19F level deduced electric quadrupole coupling constant. Recoil ion implantation in Si.

doi: 10.1088/0022-3719/17/20/005
Citations: PlumX Metrics


1983AN14      J.Phys.(London) F13, 2077 (1983)

H.Andreasen, S.Damgaard, J.W.Petersen, G.Weyer

Isomer Shifts and Force Constants of Substitutional 119Sn Impurity Atoms in FCC Metals

NUCLEAR REACTIONS 119Sn(γ, γ), E=24 keV; measured Mossbauer spectra; deduced isomer shifts, Debye temperatures in Al, Ag, Au, Cu, Pb, Pd, Pt, Rh. Implantation in single crystals, high purity foils.

doi: 10.1088/0305-4608/13/10/017
Citations: PlumX Metrics


1983HA50      Hyperfine Interactions 15/16, 215 (1983)

H.Haas, M.Menningen, H.Andreasen, S.Damgaard, H.Grann, F.T.Pedersen, J.W.Petersen, G.Weyer, and the ISOLDE Collaboration

EFG Sign for Sn in Zn, Cd, and Sb

NUCLEAR REACTIONS 119Sn(γ, γ), E=89.53 keV; measured Mossbauer spectra; deduced electric field gradient sign for Sn in Zn, Cd and Sb. 119Sn deduced isomer shifts. Ion implanted 119Cd source in single crystals.

doi: 10.1007/BF02159741
Citations: PlumX Metrics


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