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NSR database version of April 24, 2024.

Search: Author = R.Michaelsen

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1995HI12      Phys.Rev. C52, 2236 (1995)

T.Hild, W.-D.Schmidt-Ott, V.Kunze, F.Meissner, H.Salewski, K.S.Toth, R.Michaelsen

Decays of 160-162Hf

RADIOACTIVITY 160,161,162Hf(α), (β+) [from 135Ba(32S, X), E=240 MeV]; measured Eγ, Iγ, T1/2, Eα, Iα. 161,162Lu deduced transitions. 163Hf level deduced α branching ratio.

doi: 10.1103/PhysRevC.52.2236
Citations: PlumX Metrics


1993ME13      Phys.Rev. C48, 2089 (1993)

F.Meissner, H.Salewski, W.-D.Schmidt-Ott, U.Bosch-Wicke, V.Kunze, R.Michaelsen

Excited States in Neutron-Deficient Iridium Nuclei Populated in Radioactive Decays of 177-181Pt

RADIOACTIVITY 177,178,179,180,181Pt(β+) [from 146,148Nd(36Ar, xn), E=172-201 MeV]; measured T1/2, Eγ, Iγ, γγ-coin. 177,179,181Ir deduced levels, J, π. Enriched targets, Ge(Li) detectors, He-jet.

doi: 10.1103/PhysRevC.48.2089
Citations: PlumX Metrics


1992BO19      Z.Phys. A341, 245 (1992)

U.Bosch-Wocke, W.-D.Schmidt-Ott, F.Meissner, H.Salewski, R.Michaelsen

The Decay of the Isotopes 179Ir and 180Ir

RADIOACTIVITY 179,180Ir(EC), (β+) [from 148Nd(36Ar, X), E=240 MeV]; measured Eγ, Iγ, E X-ray, I X-ray, γ(X-ray)-coin. 179Ir deduced T1/2, decay scheme. 180Ir level deduced possible J, π, configuration, decay scheme. 179,180Os deduced transitions.


1992ME10      Z.Phys. A343, 283 (1992)

F.Meissner, H.Salewski, W.-D.Schmidt-Ott, U.Bosch-Wicke, R.Michaelsen

Revision of the Decay Data of 166-170Re, Including New Isomer 167m,169mRe

NUCLEAR REACTIONS 141Pr(32S, xn), E=178, 190, 204 MeV; measured Eγ, Iγ, α-, γ-relative yields, αγ-coin. 167,169Re deduced α-decaying isomer pairs.

RADIOACTIVITY 166,167,168,169Re(β+), (EC), (α) [from 141Pr(32S, xn), E=178-204 MeV]; measured γ(X-ray)-coin, Eγ, Iγ, following β-decay, α-, γ-relative yields, αγ-coin; deduced revised Eα, T1/2. 167,169Re deduced α-decaying isomer pairs. 170Re(β+), (EC); measured Eγ, Iγ, T1/2, γ(X-ray)-coin. Revised decay schemes.

doi: 10.1007/BF01291527
Citations: PlumX Metrics


1992SC16      Nucl.Phys. A545, 646 (1992)

W.-D.Schmidt-Ott, H.Salewski, F.Meissner, U.Bosch-Wicke, P.Koschel, V.Kunze, R.Michaelsen

Isomerism in Neutron-Deficient Iridium Isotopes Alpha- and Beta-Decay Studies of 171-175Ir

RADIOACTIVITY 171,174Ir(α); 172,173,175Ir(α), (β+) [from 141Pr(36Ar, xn)]; measured Eα, Iα, T1/2(α), Eγ, Iγ, αγ-, γγ-coin; deduced Qα, α-branchings. 168,169,167,171,170Re, 172,173,175Os deduced levels, J, π. Si, Ge detectors.

doi: 10.1016/0375-9474(92)90297-W
Citations: PlumX Metrics


1991ME05      Z.Phys. A339, 315 (1991)

F.Meissner, W.-D.Schmidt-Ott, K.Becker, U.Bosch-Wicke, U.Ellmers, H.Salewski, R.Michaelsen

Observation of a New α-Ray Emitter: 168W

NUCLEAR REACTIONS 136Ba(36Ar, 4n), E not given; 141Pr(32S, 4np), E=235 MeV; measured Eα, Iα, γ-spectra, yield vs E; deduced evidence for 168W.

RADIOACTIVITY 168W(α) [from 136Ba(36Ar, 4n), E not given; 141Pr(32S, 4np), E=235 MeV]; measured Eα, Iα, Iα/Iγ, T1/2. 166,167W(α); measured Eα, Iα.

doi: 10.1007/BF01284072
Citations: PlumX Metrics


1990BO19      Z.Phys. A336, 359 (1990)

U.Bosch, P.Koschel, W.-D.Schmidt-Ott, V.Freystein, T.Hild, F.Meissner, H.Salewski, U.Ellmers, R.Michaelsen

The Decay of the Isotopes 176Ir and 177Ir

RADIOACTIVITY 176,177Ir [from 141Pr(40Ar, X), E=240 MeV]; measured Eγ, Iγ, γγ-coin, σ(Eγ, E), Eα, Iα. 177Ir deduced α-decay T1/2, α-branching ratios. 176Ir deduced α-branching ratios.


1990ME12      Z.Phys. A337, 45 (1990); Erratum Priv.Comm., F.Meissner, 1997MeZZ

F.Meissner, W.-D.Schmidt-Ott, V.Freystein, T.Hild, E.Runte, H.Salewski, R.Michaelsen

Investigation of Neutron-Deficient Tungsten Isotopes 168-174W

NUCLEAR REACTIONS 133Cs, 138,136Ba(36Ar, 3n), (36Ar, 4n), (36Ar, 5n), 133Cs, 136Ba(36Ar, 6n), E ≈ 175-205 MeV; measured σ(E); deduced evidence for 166,167,168,169,171W.

RADIOACTIVITY 168,169,170,171,172W [from 138,136Ba(36Ar, xn), E=175-205 MeV]; 173,174W [from 138Ba(40Ar, xn), E ≈ 185 MeV]; measured Eγ, Iγ, γγ-coin, γ(K X-ray)-coin. 168,169,171,172,170,173,174Ta deduced levels, J, π.


1990SA32      Z.Phys. A337, 161 (1990)

H.Salewski, K.Becker, W.-D.Schmidt-Ott, T.Hild, F.Meissner, E.Runte, R.Michaelsen

Beta-Delayed Gammas and Q(EC)-Values in the Decays of 150m,152mHo and 149Dy

RADIOACTIVITY 150m,152mHo, 149Dy [from 114Cd(40Ar, X), E=250 MeV]; measured γγ-coin, β-delayed Eγ, Iγ; deduced Q(EC), (EC/B+) ratios. 150,152Dy, 149Tb deduced levels.


1989HI04      Nucl.Phys. A492, 237 (1989)

T.Hild, W.-D.Schmidt-Ott, V.Freystein, F.Meissner, E.Runte, H.Salewski, R.Michaelsen

Spectroscopic Investigation of 164,168Ta, 166W and 164,165Hf

RADIOACTIVITY 164Ta, 164,165Hf [from 133Cs(36Ar, X)]; measured E(γ), I(γ), T1/2, γγ-coin; deduced log ft. 168Ta [from 133Cs(40Ar, 5n)]; measured E(γ), I(γ), T1/2, γγ-coin. 166W [from 136Ba(36Ar, 6n)]; measured E(γ), I(γ), γγ-coin, E(α), I(α), T1/2; deduced log ft, α-branching. 164Hf, 164,165Lu, 166Ta deduced levels. Si, Ge detectors.

doi: 10.1016/0375-9474(89)90084-5
Citations: PlumX Metrics


1989ME02      Z.Phys. A332, 153 (1989)

F.Meissner, W.-D.Schmidt-Ott, V.Freystein, T.Hild, E.Runte, H.Salewski, R.Michaelsen

Decay of the New Isotope 167W

NUCLEAR REACTIONS 136Ba(36Ar, xn), E=191 MeV; measured γγ-coin, E(α), I(α), E X-ray, I X-ray; deduced evidence for 167W.

RADIOACTIVITY 167W(α), (β+), (EC) [from 136Ba(36Ar, xn), E=191 MeV]; measured γγ-coin, E(α), I(α), E X-ray, I X-ray; deduced Q(EC). 167Ta deduced levels, possible J.


1987RU05      Z.Phys. A328, 373 (1987)

E.Runte, F.Meissner, V.Freystein, T.Hild, H.Salewski, W.-D.Schmidt-Ott, R.Michaelsen

The Decay of the New Isotope 171Re

NUCLEAR REACTIONS La(36Ar, X), E=165, 175, 194 MeV; measured σ(E, Eγ).

RADIOACTIVITY 171Re(β+), (EC) [from La(36Ar, X), E=165, 175, 194 MeV]; measured Eγ, Iγ, γ(X-ray)-coin; deduced T1/2, Q(EC), β+-endpoint energy. 171W deduced T1/2, decay scheme. Ge, Ge(Li) detectors, LaF3 targets.


1986RU05      Z.Phys. A324, 119 (1986)

E.Runte, T.Hild, W.-D.Schmidt-Ott, U.J.Schrewe, P.Tidemand-Petersson, R.Michaelsen

Completion of α-Decay Chains: The α-decay of 162Ta and 163Ta

NUCLEAR REACTIONS 130Ba(35Cl, 4n), (35Cl, 5n), E=200 MeV; 133Cs(36Ar, 6n), (36Ar, 7n), E=280 MeV; measured Eα, Iα, Eγ, Iγ, E(X-ray), I(X-ray); deduced evidence for 162,163Ta.

RADIOACTIVITY 160,161Ta(α) [from 130Ba(35Cl, xn), E=200 MeV]; measured Eα, Iα, Eγ, Iγ, E(X-ray), I(X-ray), T1/2. 162,163Ta(α) [from 133Cs(36Ar, xn), E=280 MeV]; measured Eα, Iα, Eγ, Iγ, E(X-ray), I(X-ray). 162Ta deduced α-decay branch.


1985SC09      Z.Phys. A320, 595 (1985)

U.J.Schrewe, H.Dornhofer, E.Runte, W.-D.Schmidt-Ott, P.Tidemand-Petersson, R.Michaelsen

Atomic Masses of 147m, 148m, 149mTb, 148Dy, 150m, 152mHo Derived from Decay Properties

RADIOACTIVITY 147m,148m,149mTb, 148Dy, 150,152mHo(EC), (β+); measured γγ-, γ(X-ray)-coin; deduced Q(EC), mass excess. 148Gd, 150,152Dy levels deduced (β+/(EC+β+)).

NUCLEAR REACTIONS 112Cd, 114,116Sn(40Ar, xnyp), E=200-240 MeV; measured γγ-, γ(X-ray)-coin.

doi: 10.1007/BF01411858
Citations: PlumX Metrics


1981KA07      Phys.Rev. C23, 1274 (1981)

R.Kantus, U.J.Schrewe, W.-D.Schmidt-Ott, R.Michaelsen

Decay Properties of 146Gd

RADIOACTIVITY 146Gd [from 144Sm(α, 2n), E=27 MeV], 150Dy [from 141Pr(14N, 5n), E=85 MeV]; measured Eγ, Iγ, γγ-, γ(X-ray)-coin; deduced Q(EC). 146Eu deduced levels, J, π.

doi: 10.1103/PhysRevC.23.1274
Citations: PlumX Metrics


1981SC21      Phys.Rev. C24, 2695 (1981)

W.-D.Schmidt-Ott, R.Kantus, E.Runte, U.J.Schrewe, R.Michaelsen

Atomic Masses of 148Dy and 148Tb (T1/2 = 2.2 min)

RADIOACTIVITY 148Dy, 148Tb [from 141Pr(14N, X), E=120 MeV]; measured γγ-, (X-ray)γ-coin, Eγ, Iγ; deduced Q(EC), end-point energy Eβ+, mass excess.

doi: 10.1103/PhysRevC.24.2695
Citations: PlumX Metrics


1974BA77      Nucl.Phys. A234, 469 (1974)

H.Backe, R.Engfer, E.Kankeleit, R.Link, R.Michaelsen, C.Petitjean, L.Schellenberg, H.Schneuwly, W.U.Schroder, J.L.Vuilleumier, H.K.Walter, A.Zehnder

Nuclear Excitation and Isomer Shifts in Muonic Atoms (I). Experiment and Evaluation

ATOMIC PHYSICS, Mesic-Atoms 152Sm, 156,158,160Gd, 153Eu, 169Tm, 170Yb, 181Ta, 182,184,186W, 185,187Re, 188,190,192Os, 191,193Ir, 194,196Pt, 198,199,200,202Hg, 203,205Tl, 209Bi; measured Eγ, Iγ of muonic isotopes; deduced muonic isomer shifts.

doi: 10.1016/0375-9474(74)90576-4
Citations: PlumX Metrics


1972LI33      Phys.Lett. 42B, 57 (1972)

R.Link, L.Schellenberg, H.Backe, R.Engfer, E.Kankeleit, R.Michaelsen, H.Schneuwly, W.U.Schroder, J.L.Vuilleumier, H.K.Walter, A.Zehnder

Magnetic Hyperfine Interaction of the 2+ Rotational States in Muonic 190,192Os

NUCLEAR REACTIONS Os(μ-, Xγ), E approx 0; measured I(X-ray), Iγ. 190,192Os nuclear transitions deduced magnetic hfs splitting.

doi: 10.1016/0370-2693(72)90715-0
Citations: PlumX Metrics


1972WA17      Phys.Lett. 40B, 197 (1972)

H.K.Walter, J.H.Vuilleumier, H.Backe, F.Boehm, R.Engfer, H.von Gunten, R.Link, R.Michaelsen, C.Petitjean, L.Schellenberg, H.Schneuwly, W.U.Schroder, A.Zehnder

Test of Quantum-Electrodynamical Corrections in Muonic Atoms

ATOMIC PHYSICS, Mesic-Atoms Hg, 203Tl; measured μ-mesic E(X-ray), I(X-ray); tested QED corrections.

doi: 10.1016/0370-2693(72)90408-X
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1971LI29      Phys.Lett. 37B, 50 (1971)

R.Link, H.Backe, R.Engfer, L.Fluri, R.Michaelsen, C.Petitjean, H.Schneuwly, H.K.Walter

Magnetic Hyperfine Splitting of the 2s1/2-2p1/2 Transition in Muonic 115In

ATOMIC PHYSICS, Mesic-Atoms 115In; measured μ-mesic E(X-ray), I(X-ray), Eγ, Iγ; deduced a.

NUCLEAR MOMENTS 115In μ-mesic atom; measured a.

doi: 10.1016/0370-2693(71)90567-3
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1971RA22      Phys.Rev.Lett. 27, 603 (1971)

W.L.Randolph, Jr., R.R.Borchers, R.Michaelsen, D.W.Haag, W.Ribbe

Magnetic Moments of the 7/2- Mirror States in 37Ar and 37K

NUCLEAR REACTIONS 37Cl(p, nγ), E not given; 40Ca(p, αγ), E=13 MeV; measured pγ(θ, H, t), αγ(θ, H, t). 37Ar, 37K levels deduced T1/2, μ.

doi: 10.1103/PhysRevLett.27.603
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1970BL06      Phys.Lett. 32B, 41 (1970)

J.Bleck, R.Michaelsen, W.Ribbe, W.Zeitz

Energy, Lifetime and g-Factor of the First Excited State in 63Ni

NUCLEAR REACTIONS 62Ni(d, pγ), E=5.7 MeV; measured σ(Eγ, θ(γ)), dγ-delay, γγ(θ, H, t). 63Ni deduced level, g, T1/2.

doi: 10.1016/0370-2693(70)90331-X
Citations: PlumX Metrics


1969BL02      Nucl.Phys. A123, 65(1969)

J.Bleck, D.W.Haag, W.Leitz, R.Michaelsen, W.Ribbe, F.Sichelschmidt

The g-Factor of the First Excited State in 19Ne

NUCLEAR REACTIONS 19F(p, nγ), E=4.4-6.1 MeV; measured σ(E; Eγ, θ, H, t). 19Ne levels deduced T1/2, g.

doi: 10.1016/0375-9474(69)90890-2
Citations: PlumX Metrics


1969BL07      Phys.Letters 28B, 651 (1969)

J.Bleck, D.W.Haag, W.Leitz, R.Michaelsen, W.Ribbe

The Magnetic Moment of the 7/2- State at 1.29 MeV in 41K

NUCLEAR REACTIONS 41K(p, p'), E=5.3 MeV; measured pγ(θ, H, t). 41K deduced levels, T1/2, μ.

doi: 10.1016/0370-2693(69)90211-1
Citations: PlumX Metrics


1968HA09      Phys.Letters 26B, 432 (1968)

M.Hagen, K.H.Maier, R.Michaelsen

The Level Schemes of 26Si, 30S, 34A and 42Ti Studied with the (3He, n) Reaction

NUCLEAR STRUCTURE 26Si, 30S, 34Ar, 42Ti; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0370-2693(68)90587-X
Citations: PlumX Metrics


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