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NSR database version of April 27, 2024.

Search: Author = W.Lieberz

Found 19 matches.

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1993SE01      Nucl.Phys. A554, 287 (1993)

F.Seiffert, W.Lieberz, A.Dewald, S.Freund, A.Gelberg, A.Granderath, D.Lieberz, R.Wirowski, P.von Brentano

Band Structures in ¹²⁶Xe

NUCLEAR REACTIONS ¹¹⁶Cd(¹³C, 3n), E=44-60 MeV; ¹²³Te(α, n), E=15-20; measured Eγ, Iγ, Iγ(θ), γγ-coin. ¹²⁶Xe levels deduced, J, π. Interacting boson approximation, cranking model, rigid asymmetric rotor model, rotation vibration model.

doi: 10.1016/0375-9474(93)90343-V
Citations: PlumX Metrics

1992FR03      Phys.Lett. 274B, 149 (1992)

S.Frauendorf, W.Lieberz, D.Lieberz, P.von Brentano, A.Gelberg

Quenched Proton-Neutron Coupling in h_11/2 High States of ¹²⁸Ba

NUCLEAR STRUCTURE ¹²⁸Ba; analyzed E2 transition B(λ) branching ratios; deduced S-bands coupling matrix element.

doi: 10.1016/0370-2693(92)90514-5
Citations: PlumX Metrics

1991CA28      Phys.Lett. 265B, 9 (1991)

R.F.Casten, N.V.Zamfir, P.von Brentano, F.Seiffert, W.Lieberz

Evidence for an f-Boson O(6) Coupling Scheme from Signature Splitting Effects

NUCLEAR STRUCTURE ^126,128Ba, ¹²⁶Xe; analyzed band structure; deduced signature splitting features, f-boson coupling to O(6) core.

doi: 10.1016/0370-2693(91)90004-A
Citations: PlumX Metrics

1991GR02      Nucl.Phys. A524, 153 (1991)

A.Granderath, D.Lieberz, A.Gelberg, S.Freund, W.Lieberz, R.Wirowski, P.von Brentano, R.Wyss

Excited States in ¹²⁵Xe

NUCLEAR REACTIONS ¹¹⁶Cd(¹³C, 4n), E=46-60 MeV; measured Eγ, Iγ(E), Iγ(θ), γγ-coin. ¹²⁵Xe levels deduced J, π. Cranking model, particle-plus-rotor calculations. Enriched target, Ge detectors.

doi: 10.1016/0375-9474(91)90021-W
Citations: PlumX Metrics

1991KR10      Nucl.Phys. A529, 485 (1991)

W.Krips, W.Frank, W.Lieberz, P.von Brentano

IBA-2 Description of ¹²⁶Xe, ¹²⁸Xe and ¹⁹⁰Os

NUCLEAR STRUCTURE ^126,128Xe; calculated levels, δ(E2/M1), reduced branching ratios. ¹⁹⁰Os; calculated levels, reduced branching ratios, quadrupole moments, μ. Interacting boson approximation, O(6) symmetry.

doi: 10.1016/0375-9474(91)90582-Q
Citations: PlumX Metrics

1991SE11      Z.Phys. A340, 141 (1991)

F.Seiffert, R.Schwengner, G.Winter, L.Funke, W.Lieberz, R.Reinhardt, K.P.Schmittgen, D.Weil, R.Wrzal, K.O.Zell, P.von Brentano

Band Structures in ⁷³Se

NUCLEAR REACTIONS ⁷⁰Ge(α, n), E=14-20 MeV; measured Eγ, Iγ, γ(θ), linear polarization, γγ-coin, DSA. ⁷³Se deduced levels, J, π, T_1/2, δ(E2/M1), B(λ). Enriched targets, Ge detectors.

doi: 10.1007/BF01303825
Citations: PlumX Metrics

1990LI13      Phys.Lett. 240B, 38 (1990)

W.Lieberz, A.Dewald, W.Frank, A.Gelberg, W.Krips, D.Lieberz, R.Wirowski, P.von Brentano

Evidence for Variable γ Deformation in ¹²⁶Xe

NUCLEAR REACTIONS ¹²³Te(α, nγ), E not given; measured γγ-coin, γ(θ), γ linear polarization, σ(Eγ, E). ¹²⁶Xe deduced levels, J, π, B(E2) ratios. Interacting boson, asymmetric rotor, rotation-vibration models.

doi: 10.1016/0370-2693(90)90405-U
Citations: PlumX Metrics

1990NE03      Z.Phys. A336, 245 (1990)

U.Neuneyer, H.Wolters, A.Dewald, W.Lieberz, A.Gelberg, E.Ott, J.Theuerkauf, R.Wirowski, P.von Brentano, K.Schiffer, D.Alber, K.H.Maier

High Spin States in ¹²⁸Ba

NUCLEAR REACTIONS ⁹⁶Zr(³⁶S, 4n), E=150 MeV; measured γγ-coin. ¹²⁸Ba deduced levels, J, π.

1990SE05      Z.Phys. A336, 237 (1990)

F.Seiffert, A.Granderath, A.Dewald, W.Lieberz, U.Neuneyer, E.Ott, J.Theuerkauf, R.Wirowski, H.Wolters, K.O.Zell, P.von Brentano, K.Schiffer, D.Alber, K.H.Maier

High Spin States in ¹²⁷Ba

NUCLEAR REACTIONS ⁹⁶Zr(³⁶S, 5n), E=150 MeV; measured γγ-coin, γ-multiplicity, sum energies. ¹²⁷Ba deduced levels, J, π, band structure.

1990SE06      Z.Phys. A336, 241 (1990)

F.Seiffert, W.Lieberz, K.P.Schmittgen, R.Reinhardt, R.Wirowski, R.Wrzal, K.O.Zell, P.von Brentano, R.Schwengner, L.Funke

⁷³Se Investigated by the (α, nγ) Reaction

NUCLEAR REACTIONS ⁷⁰Ge(α, n), E=20 MeV; measured γγ-coin. ⁷³Se deduced levels, J, π, band structure.

1989WY03      Nucl.Phys. A505, 337 (1989)

R.Wyss, A.Granderath, R.Bengtsson, P.von Brentano, A.Dewald, A.Gelberg, A.Gizon, J.Gizon, S.Harissopulos, A.Johnson, W.Lieberz, W.Nazarewicz, J.Nyberg, K.Schiffer

Interplay between Proton and Neutron S-Bands in the Xe-Ba-Ce-Region

NUCLEAR STRUCTURE ^{120,122,124,126,128,130}Xe, ^{122,124,126,128,130,132}Ba, ^{124,126,128,130,132,134}Ce; calculated total Routhian surfaces, levels, band structure.

doi: 10.1016/0375-9474(89)90378-3
Citations: PlumX Metrics

1989ZI01      Nucl.Phys. A504, 36 (1989)

W.Zipper, A.Dewald, W.Lieberz, R.Reinhardt, W.Dichter, F.Seiffert, P.von Brentano

Spin Determination from Side-Feeding Excitation Function of the Nucleus ¹²⁸Xe in the ¹²⁵Te(α, nγ)¹²⁸Xe and ¹²⁶Te(α, 2nγ)¹²⁸Xe Reactions

NUCLEAR REACTIONS, ICPND ¹²⁵Te(α, nγ), E=12.5-21 MeV; ¹²⁶Te(α, 2nγ), E=24-29 MeV; analyzed σ(E) data. ¹²⁸Xe levels deduced J, π. Statistical evaporation compound nucleus model.

doi: 10.1016/0375-9474(89)90281-9
Citations: PlumX Metrics

1988LI17      Z.Phys. A330, 221 (1988)

W.Lieberz, S.Freund, A.Granderath, A.Gelberg, A.Dewald, R.Reinhardt, R.Wirowski, K.O.Zell, P.von Brentano

High Spin States in ¹²⁶Xe

NUCLEAR REACTIONS ¹¹⁶Cd(¹³C, 3n), E=52, 56, 60 MeV; measured γ(θ), γγ-coin. ¹²⁶Xe deduced levels, J, π, band structure.

1988RE03      Z.Phys. A329, 507 (1988)

R.Reinhardt, A.Dewald, A.Gelberg, W.Lieberz, K.Schiffer, K.P.Schmittgen, K.O.Zell, P.von Brentano

Low Spin Structure of ¹²⁸Xe

NUCLEAR REACTIONS ¹²⁵Te(α, n), E=12.5-20 MeV; measured σ(Eγ, E), γ(θ), γγ-coin, I(ce). ¹²⁸Xe deduced levels, J, π.

1988WI06      Z.Phys. A329, 509 (1988)

R.Wirowski, J.Yan, A.Dewald, A.Gelberg, W.Lieberz, K.P.Schmittgen, A.von der Werth, P.von Brentano

High Spin States in the Closed-Neutron-Shell Nucleus ¹⁴²Nd

NUCLEAR REACTIONS ¹³⁰Te(¹⁶O, 4n), E=73, 75, 78 MeV; measured γγ-coin, γγ(t), γ(θ), γ linear polarization. ¹⁴²Nd deduced levels, J, π, yrast band, configurations.

1988ZH10      Z.Phys. A331, 113 (1988)

Z.Zhao, J.Yan, A.Gelberg, R.Reinhardt, W.Lieberz, A.Dewald, R.Wirowski, K.O.Zell, P.von Brentano

New Excited States of the Nucleus ¹²⁹Xe

NUCLEAR REACTIONS ¹²⁶Te(α, n), E=16 MeV; measured γγ-coin. ¹²⁹Xe deduced levels, J, π, transitions, band structure.

1987HE16      Phys.Rev.Lett. 59, 2024 (1987)

G.Hebbinghaus, T.Rzaca-Urban, C.Senff, R.M.Lieder, W.Gast, A.Kramer-Flecken, H.Schnare, W.Urban, G.de Angelis, P.Kleinheinz, W.Starzecki, J.Styczen, P.von Brentano, A.Dewald, J.Eberth, W.Lieberz, T.Mylaeus, A.v.d.Werth, H.Wolters, K.O.Zell, S.Heppner, H.Hubel, M.Murzel, H.Grawe, H.Kluge

Observation of Superdeformation in the Doubly Closed-Shell Nucleus ¹⁴⁶Gd

NUCLEAR REACTIONS ¹¹⁰Pd(⁴⁰Ar, X), E=180 MeV; measured γγ-energy correlation, DSA. ¹⁴⁶Gd deduced levels, moment of inertia, deformation, superdeformation characteristics, quadrupole moment, stretched E2 transitions.

doi: 10.1103/PhysRevLett.59.2024
Citations: PlumX Metrics

1986LO11      Nucl.Phys. A460, 361 (1986)

K.Loewenich, K.O.Zell, A.Dewald, W.Gast, A.Gelberg, W.Lieberz, P.von Brentano, P.Van Isacker

In-Beam Spectroscopy of ¹²⁰Xe

NUCLEAR REACTIONS ¹¹⁰Cd(¹³C, 3n), ¹¹¹Cd(¹²C, 3n), E=46-58 MeV; measured Eγ, Iγ, γ(θ), σ(E, Eγ, θ), γγ-coin. ¹²⁰Xe deduced levels, J, π, B(E2) ratios. IBA calculations. Enriched targets, Ge(Li) detectors.

doi: 10.1016/0375-9474(86)90132-6
Citations: PlumX Metrics

1984HA34      ATOMKI Kozlem. 26, 28 (1984)

H.Harter, A.Dewald, A.Gelberg, U.Kaup, W.Lieberz, K.O.Zell, P.von Brentano

Comparison of Low Lying Levels in ¹²⁸Xe with IBM-2

NUCLEAR STRUCTURE ¹²⁸Xe; calculated levels, B(λ), ratios, g. Interacting boson approximation.