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NSR database version of April 24, 2024.

Search: Author = W.Semmler

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1985BE23      Z.Phys. A321, 403 (1985)

A.Berger, H.-E.Mahnke, H.Grawe, W.Semmler, R.Sielemann

Quadrupole Moments of Neutron Isomers in Sm Isotopes

NUCLEAR REACTIONS ¹²⁷I(¹⁹F, 4n), E=85 MeV; ¹²⁴Te(²⁰Ne, 4n), E=96 MeV; measured Iγ(θ), oriented nuclei; deduced quadrupole interaction of Sm in Gd. ^140,142Sm deduced isomer quadrupole moments, deformation characteristics.

doi: 10.1007/BF01411971
Citations: PlumX Metrics

1985ME17      Z.Phys. B61, 267 (1985)

H.Metzner, R.Sielemann, S.Klaumunzer, R.Butt, W.Semmler

Intrinsic Point Defects in Niobium: Trapping at ¹⁰⁰Pd and ¹¹¹In impurities observed by PAC

RADIOACTIVITY ¹⁰⁰Pd(EC) [from ⁹³Nb(¹²C, 5n)¹⁰⁹Ag(β⁺+EC)-decay, E=100 MeV; ⁹³Nb(¹¹B, 4n), E=75 MeV]; ¹¹¹In(EC) [from ⁹³Nb(²²Ne, 4n)¹¹¹Sb → ¹¹¹Sn(β⁺+EC)-decay, E=100 MeV]; measured γγ(θ, H, t).

doi: 10.1007/BF01317794
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1984AL01      Nucl.Phys. A413, 353 (1984)

D.Alber, H.Grawe, H.Haas, H.-E.Mahnke, W.Semmler, W.-D.Zeitz

Recoil Distance Lifetime Measurements in ¹²⁵Xe

NUCLEAR REACTIONS ¹¹⁶Cd(¹²C, 3n), E=47 MeV; measured γγ(t), Doppler shift recoil. ¹²⁵Xe deduced levels, T_1/2, (Γ(γ)+Γ(e)), B(E2). Ge(Li), NaI(Tl) detectors, plunger.

doi: 10.1016/0375-9474(84)90379-8
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1984MA10      Phys.Lett. 134B, 153 (1984)

H.-E.Mahnke, O.Hausser, H.Grawe, H.Kluge, W.Semmler

Spin Rotation of ¹⁶²Yb in Unresolved High-Spin States

NUCLEAR REACTIONS ⁸⁰Se(⁸⁶Kr, 4n), E=362 MeV; measured γγ-coin, γ(θ, H), recoil. ¹⁶²Yb deduced high-spin state spin rotation, average g, quadrupole moment. Sectored NaI sum spectrometer.

doi: 10.1016/0370-2693(84)90660-9
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1983AL21      Z.Phys. A314, 17 (1983)

D.Alber, H.H.Bertschat, H.Grawe, H.Haas, H.-E.Mahnke, M.Menningen, W.Semmler, R.Sielemann, W.-D.Zeitz

The g-Factor and the Electric Quadrupole Moment of the 7/2⁺ Isomer in ¹²⁵Xe

RADIOACTIVITY ¹²⁵Xe(EC), (β⁺) [from ¹¹⁶Cd(¹²C, 3n), E=52, 57 MeV]; measured γ(θ, H, t), γγ(t), recoil; deduced electric quadrupole interaction, electric field gradient for Xe in Cd. ¹²⁵Xe deduced isomer T_1/2, quadrupole moment, g, level T_1/2, γ-branching, B(E2).

doi: 10.1007/BF01411824
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1983MA08      Phys.Lett. 122B, 27 (1983)

H.-E.Mahnke, W.Semmler, H.Grawe, H.Haas, R.Sielemann

Quadrupole Moments of High-Spin Isomers in Astatine Isotopes

NUCLEAR REACTIONS ²⁰⁹Bi(α, 4n), (α, 3n), (α, 2n), E=45, 60 MeV; measured γ(θ, H, t). ^211,210,209At deduced high-spin isomer T_1/2, quadrupole moment, nuclear quadrupole interaction, configuration effects.

doi: 10.1016/0370-2693(83)91161-9
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1983MA79      Hyperfine Interactions 15/16, 223 (1983)

H.-E.Mahnke, W.Semmler

Probe Atom Dependence of the Electric Field Gradient in Bismuth

NUCLEAR REACTIONS ¹⁸¹Ta(¹⁶O, 5n), E=100 MeV; measured γ(θ, H, t); deduced Tl electric field gradient in Bi. ¹⁹²Tl deduced isomer quadrupole moment.

doi: 10.1007/BF02159743
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1983SE04      Z.Phys. A309, 349 (1983)

W.Semmler, H.-E.Mahnke, H.Grawe, R.Sielemann

Quadrupole Moment of the (19/2)^- Isomer in ¹¹⁵Sb

NUCLEAR REACTIONS ¹⁰⁰Mo(¹⁹F, 4n), E=76 MeV; measured γ(θ, H, t); deduced quadrupole coupling constant for Sb in Bi. ¹¹⁵Sb deduced isomer quadrupole moment. Enriched target, recoil implantation in heated Bi single crystal.

doi: 10.1007/BF01413838
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1983SE21      Hyperfine Interactions 15/16, 219 (1983)

W.Semmler, H.Haas, H.-E.Mahnke, R.Sielemann

Antimony in Cadmium - An Extreme Case of Probe Atom Dependent EFG

NUCLEAR REACTIONS ¹⁰³Rh(¹²C, 3n), E=60 MeV; measured γ(θ, H, t); deduced Sb field gradient in Cd. Recoil ion implantation.

doi: 10.1007/BF02159742
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1982ZE05      Z.Phys. A308, 227 (1982)

W.-D.Zeitz, D.Alber, H.Grawe, H.Haas, R.Keitel, H.-E.Mahnke, W.Semmler, R.Sielemann

Electromagnetic Transition Strengths and Nuclear Moments in ¹²³Xe

NUCLEAR REACTIONS ¹¹⁴Cd(¹²C, 3n), (¹³C, 4n), E=50-62 MeV; measured γγ-coin, recoil, γ(θ, H, t); deduced quadrupole coupling constant for Xe in Cd. ¹²³Xe deduced levels, J, π, isomer T_1/2, g, γ-branching, γ-multipolarity, δ(E2/M1), B(λ), μ, quadrupole moment. Triaxial rotor-particle model.

doi: 10.1007/BF01418284
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1981SE15      Z.Phys. B45, 29 (1981)

W.Semmler, P.Raghavan, M.Senba, R.S.Raghavan

Temperature Dependence of the Quadrupole Interaction of ⁶⁹Ge(Tl) and ¹¹³Sn(Sn)

RADIOACTIVITY ⁶⁹Ge [from ⁵⁶Fe(¹⁶O, n2p), E=56 MeV]; ¹¹³Sn [from ¹⁰⁰Mo(¹⁶O, 3n), E=56 MeV]; measured γ(θ, H, T); deduced quadrupole interaction constants for Ge in Tl, Sn in Sn. Recoil implantation.

doi: 10.1007/BF01294274
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1980SH11      Phys.Rev. C21, 1828 (1980)

N.K.B.Shu, D.Melnik, J.M.Brennan, W.Semmler, N.Benczer-Koller

Velocity Dependence of the Dynamic Magnetic Field Acting on Swift O and Sm Ions

NUCLEAR REACTIONS ^150,152Sm(¹⁶O, ¹⁶O'), E ≈ 40 MeV; ^150,152Sm(³²S, ³²S'), E ≈ 70-80 MeV; ¹⁶O(α, α'), E=17.55 MeV; measured (particle)γ(θ, H) in polarized Fe, Coulomb excitation; deduced dynamic magnetic field on ^150,152Sm, ¹⁶O recoils in Fe vs ion velocity.

COMPILATION ²⁰Ne, ²⁴Mg, ²⁸Si, ⁵⁶Fe, ⁸²Se, ¹⁰⁶Pd, ¹¹⁰Cd, ¹³⁴Ba, ¹⁴⁸Nd, ¹⁹⁴Pt; compiled data, parametrized dynamic magnetic field vs ion velocity through ion foils.

doi: 10.1103/PhysRevC.21.1828
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1979SE10      Hyperfine Interactions 7, 71 (1979)

W.Semmler, K.B.Nielsen, J.C.Sindholt, G.Weyer, F.Abildskov

On the Role of Combined Static Hyperfine Interactions for the Interpretation of In-Beam Nuclear Larmor-Precession Measurements

NUCLEAR REACTIONS ¹⁰⁷Ag(p, n), E=8 MeV; ¹⁰⁹Ag(p, n), E=7 MeV; measured γγ(θ, H, t) in Ag. ^107,109Cd levels deduced hfs, effective field gradients for CdAg system. Enriched targets. Combined static, electric, magnetic hf interaction.

doi: 10.1007/BF01021493
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1976LE03      Nucl.Phys. A258, 103 (1976)

W.Leitz, H.-E.Mahnke, W.Semmler, R.Sielemann, T.Wichert

The Half-Lives of the First and Second Excited States in ⁶⁶Ga

NUCLEAR REACTIONS ⁶³Cu(α, nγ), E=12.2 MeV; ⁶⁶Zn(p, nγ), E=6.6 MeV; measured αγ-delay, pγ-delay, γγ delayed coin. ⁶⁶Ga excited levels deduced T_1/2, g-factor analyzed. Enriched targets. Ge(Li), Si(Li) detectors.

doi: 10.1016/0375-9474(76)90531-5
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1975BA07      Phys.Lett. 50A, 413 (1975)

W.Bartsch, J.Golczewski, W.Leitz, H.-E.Mahnke, W.Semmler, R.Sielemann, T.Wichert

Electric Quadrupole Interaction of Recoil-Implanted Zinc in Cadmium

NUCLEAR REACTIONS ⁶⁴Ni(α, nγ), E=12.5 MeV; measured Eγ. ⁶⁷Zn level deduced quadrupole coupling constant.

doi: 10.1016/0375-9601(75)90104-8
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1975BA71      Phys.Lett. 54A, 66 (1975)

W.Bartsch, W.Leitz, W.Semmler, R.Sielemann, T.Wichert

Probe Specific Temperature Dependence of the Quadrupole Interaction of ⁶⁷Ge in Zinc Metal

NUCLEAR REACTIONS ⁶⁴Zn(α, n), E=12.5 MeV; measured γ-spectra. ^67mGe deduced quadrupole interaction. DPAD.

doi: 10.1016/0375-9601(75)90610-6
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1973HA09      Phys.Rev.Lett. 30, 656 (1973)

H.Haas, W.Leitz, H.-E.Mahnke, W.Semmler, R.Sielemann, T.Wichert

Quadrupole Interaction of Ge Nuclei in Zn and Ga Following Nuclear Reactions

NUCLEAR REACTIONS Zn, ⁶⁶Zn(α, nγ), E=13 MeV; Ga(p, nγ), E=6.5 MeV; measured Iγ(θ, t). ^67,69,71Ge; deduced quadrupole interaction, quadrupole moment.

doi: 10.1103/PhysRevLett.30.656
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