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Search: Author = D.Alber

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2002WE02      Appl.Radiat.Isot. 56, 145 (2002)

G.Wermann, D.Alber, W.Pritzkow, G.Riebe, J.Vogl, W.Gorner

Determination of the β^- Branching Ratio of ⁶⁴Cu by Mass Spectrometric Investigations of the Decay Products in Neutron Transmuted Copper

RADIOACTIVITY ⁶⁴Cu(β^-), (EC); measured β^- branching ratio. Isotope dilution mass spectrometry, thermal ionization mass spectrometry, neutron transmutation doping.

doi: 10.1016/S0969-8043(01)00180-4
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1996AL16      Z.Phys. A355, 135 (1996)

R.Alfier, D.Alber, H.Grawe, H.Kluge, K.H.Maier, R.Schubart, D.B.Fossan, W.F.Piel, Jr.

In-Beam γ-Ray Spectroscopy of the Neutron Deficient ¹⁰⁰Ag

NUCLEAR REACTIONS ⁴⁶Ti(⁵⁸Ni, n3p), E=231 MeV; measured γγ-coin, Eγ, Iγ, γ(θ); deduced residual production σ. ⁶⁴Zn(⁴⁰Ca, n3p), E=167 MeV; measured nγ-coin. ¹⁰⁰Ag deduced high-spin levels, J, π. Shell model comparison.

doi: 10.1007/s002180050090
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1994LA35      Z.Phys. A350, 207 (1994)

M.Lach, M.Waring, D.Alber, D.B.Fossan, H.Grawe, H.Kluge, K.H.Maier, M.Schramm, R.Schubart

Spectroscopy of ^198,199Po

NUCLEAR REACTIONS ¹⁸³W(²⁰Ne, 4n), (²⁰Ne, 5n), E=115 MeV; measured Eγ, Iγ, γγ-coin, γγ(E); deduced evidence for other isotopes with Z=36-84, yields in some cases. ^198,199Po deduced high-spin levels, J, π, γ-multipolarity.

doi: 10.1007/BF01289584
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1992AL17      Z.Phys. A344, 1 (1992)

D.Alber, A.Berger, H.H.Bertschat, H.Grawe, H.Haas, H.Kluge, A.Kuhnert, H.E.Mahnke, K.H.Maier, R.Schubart, B.Spellmeyer, X.Sun, L.Wood

Nuclear Structure Study of the Neutron Deficient Cadmium Isotopes ^100,101,102Cd

NUCLEAR REACTIONS ^46,47Ti, ⁵⁰Cr(⁵⁸Ni, X), E=230, 945 MeV; measured pγ-, ppγ-, nγ-, nnγ-, nγγ-coin, nγγ(t); deduced evidence for ^100,101Cd. ⁷⁰Ge(³⁶Ar, 2n2p), (³⁶Ar, 4n2p), E=135 MeV; measured γ(θ, H, t). ^100,101,102Cd deduced isomers g, J, π, T_1/2, B(λ), γ-multipolarity, quadrupole moment. Shell model comparison.

doi: 10.1007/BF01291011
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1992DR05      J.Phys.(London) G18, 1763 (1992)

Ch.Droste, T.Morek, S.G.Rohozinski, D.Alber, H.Grawe, D.Chlebowska

Lifetimes in ^121,123Cs and the Question of Core Stiffness

NUCLEAR REACTIONS ^107,109Ag(¹⁸O, 4n), (¹⁸O, 4np), E=78 MeV; measured recoil Doppler shift γ-spectra. ^120,122Xe, ^121,123Cs levels deduced T_1/2. Enriched targets, plunger technique, Ge detectors. Core-quasiparticle coupling model analysis.

doi: 10.1088/0954-3899/18/11/009
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1992KU13      Phys.Rev. C46, 484 (1992)

A.Kuhnert, D.Alber, H.Grawe, H.Kluge, K.H.Maier, W.Reviol, X.Sun, E.M.Beck, A.P.Byrne, H.Hubel, J.C.Bacelar, M.A.Deleplanque, R.M.Diamond, F.S.Stephens

Observation of High-Spin States in the N = 84 Nucleus ¹⁵²Er and Comparison with Shell-Model Calculations

NUCLEAR REACTIONS ¹¹⁶Sn(⁴⁰Ar, 4n), E=180 MeV; measured γγ-coin, γγγ(t), γ(ce)(t), γγ(θ). ¹⁵²Er deduced levels, J, π, γ-multipolarity, δ. Model comparison.

doi: 10.1103/PhysRevC.46.484
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1991AL15      Z.Phys. A339, 225 (1991)

D.Alber, R.Alfier, C.E.Bach, D.B.Fossan, H.Grawe, H.Kluge, M.Lach, K.H.Maier, M.Schramm, R.Schubart, M.P.Waring, L.Wood, H.Hubel, J.-Y.Zhang

Quadrupole and Octupole Collectivity in Light Po Isotopes

NUCLEAR REACTIONS ¹⁶⁰Dy(⁴⁰Ar, 4n), E=182 MeV; measured γ(X-ray)-, γγ-energy coincidence spectra. ¹⁸³W(²⁰Ne, 5n), E=115 MeV; measured γγ-coin. ^198,196Po deduced levels, J, π, T_1/2, γ-multipolarity, collectivity features.

doi: 10.1007/BF01284056
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1991RZ01      Z.Phys. A339, 421 (1991)

T.Rzaca-Urban, K.Strahle, G.Hebbinghaus, D.Balabanski, W.Gast, R.M.Lieder, H.Schnare, W.Urban, P.von Brentano, A.Dewald, J.Eberth, E.Ott, J.Theuerkauf, H.Wolters, K.O.Zell, D.Alber, K.H.Maier, E.M.Beck, H.Hubel, W.Schmitz

Excited Superdeformed Band in ¹⁴⁶Gd

NUCLEAR REACTIONS ¹¹⁰Pd(⁴⁰Ar, 4n), E=175 MeV; measured γγ-coin, summed spectra. ¹⁴⁶Gd deduced superdeformed band.

1991SC22      Z.Phys. A340, 109 (1991)

R.Schubart, D.Alber, R.Alfier, C.Bach, D.B.Fossan, H.Grawe, H.Kluge, K.H.Maier, M.Schramm, M.Waring, L.Wood

In-Beam Spectroscopy of ¹⁰⁴Sn

NUCLEAR REACTIONS ⁵⁰Cr(⁵⁸Ni, 2n2p), E=245, 250 MeV; measured nγγ-coin. ¹⁰⁴Sn deduced levels, J, π. Shell model comparison.

doi: 10.1007/BF01284489
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1991UR01      Phys.Lett. 258B, 293 (1991)

W.Urban, R.M.Lieder, J.C.Bacelar, P.P.Singh, D.Alber, D.Balabanski, W.Gast, H.Grawe, G.Hebbinghaus, J.R.Jongman, T.Morek, R.F.Noorman, T.Rzaca-Urban, H.Schnare, M.Thoms, O.Zell, W.Nazarewicz

High-Spin Octupole Correlations in the N = 86, ¹⁴⁶Nd and ¹⁴⁸Sm Nuclei

NUCLEAR REACTIONS ¹³⁰Te(²²Ne, X), E=85 MeV; measured γ-spectra, γγ-coin. ¹³⁸Ba(¹³C, 3n), E=55 MeV; measured γ linear polarization. ¹³⁶Xe(¹³C, X), E=55 MeV; measured γ-spectra, γγ-coin. ¹⁴⁶Nd, ¹⁴⁸Sm deduced levels, J, π, B(λ) ratios.

doi: 10.1016/0370-2693(91)91088-D
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1990AL07      Z.Phys. A335, 265 (1990)

D.Alber, H.H.Bertschat, H.Grawe, H.Haas, B.Spellmeyer, X.Sun

First In-Beam Observation of ⁹⁷Ag - The Three-Proton-Hole Spectrum in ¹⁰⁰Sn

NUCLEAR REACTIONS ⁴⁶Ti(⁵⁸Ni, 2npα), (⁵⁸Ni, n2pα), (⁵⁸Ni, 2n3pα), E=230 MeV; ⁶⁴Zn(³⁶Ar, 2np), E=130 MeV; measured γ(particle), γγ(particle)-coin, γ(t). ⁹⁷Ag deduced levels, J, π, T_1/2. ⁹⁷Pd deduced isomer J, π, T_1/2. ⁹⁵Rh deduced levels, J, π. Shell model comparison.

NUCLEAR STRUCTURE ⁹⁷Ag, ⁹⁵Rh, ¹⁰⁰Sn; calculated levels. Shell model.

1990HE14      Phys.Lett. 240B, 311 (1990)

G.Hebbinghaus, K.Strahle, T.Rzaca-Urban, D.Balabanski, W.Gast, R.M.Lieder, H.Schnare, W.Urban, H.Wolters, E.Ott, J.Theuerkauf, K.O.Zell, J.Eberth, P.von Brentano, D.Alber, K.H.Maier, W.Schmitz, E.M.Beck, H.Hubel, T.Bengtsson, I.Ragnarsson, S.Aberg

Superdeformed Band in ¹⁴⁶Gd. First Observation of Band Crossing

NUCLEAR REACTIONS ¹¹⁰Pd(⁴⁰Ar, 4n), E=180 MeV; measured γ-multiplicity, sum spectra, DSA. ¹⁴⁶Gd deduced levels, J, π, T_1/2, superdeformed band structure.

doi: 10.1016/0370-2693(90)91104-J
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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.

1990SC29      Hyperfine Interactions 59, 165 (1990)

M.Schramm, D.Alber, R.Alfier, H.Kluge, A.Kuhnert, K.H.Maier, L.D.Wood

g-Factors of Short-Lived Isomers in ²¹⁶Ra

NUCLEAR REACTIONS ²⁰⁸Pb(¹²C, 4n), E=79 MeV; measured γ(t), γ(θ, H, t), γ-anistropy. ²¹⁶Ra deduced isomers g.

doi: 10.1007/BF02401215
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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.

1989AL05      Z.Phys. A332, 129 (1989)

D.Alber, H.H.Bertschat, H.Grawe, H.Haas, B.Spellmeyer

Nuclear Structure Studies of the Neutron Deficient N = 50 Nucleus ⁹⁶Pd

NUCLEAR REACTIONS ⁶⁴Zn(³⁶Ar, 2n2p), E=130 MeV; measured nγ-, γγ-coin, γ(θ, H, t). ⁹⁶Pd deduced levels, J, π, T_1/2, B(λ), g, configuration. Shell model.

1989AL10      Z.Phys. A333, 319 (1989)

D.Alber, O.Boebel, C.Schwarz, H.Duwe, D.Hilscher, H.Homeyer, U.Jahnke, B.Spellmeyer

Search for Neutrons from ' Cold Nuclear Fusion '

NUCLEAR REACTIONS ²H(d, n), E=low; measured no cold fusion neutrons. Deuterium loaded Pd electrode, electrolysis setup.

1988AL02      Nucl.Instrum.Methods Phys.Res. A263, 401 (1988)

D.Alber, H.Grawe, H.Haas, B.Spellmeyer

A 2π Neutron Multiplicity Filter for In-Beam γ-Ray Spectroscopy of Neutron Deficient Nuclei

RADIOACTIVITY ²⁵²Cf(SF); measured neutron multiplicity. 2π neutron multiplicity filter, in-beam γ-ray spectroscopy.

NUCLEAR REACTIONS ⁶⁴Zn(³⁶Ar, xnypzα), E=130 MeV; measured γ-spectra. 2π neutron multiplicity filter, in-beam γ-ray spectroscopy.

doi: 10.1016/0168-9002(88)90978-3
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1987AL08      Z.Phys. A327, 127 (1987)

D.Alber, H.Grawe, H.Haas, B.Spellmeyer, X.Sun

In-Beam Study of Neutron Deficient ¹⁰⁰Cd

NUCLEAR REACTIONS ⁴⁶Ti(⁵⁸Ni, 2n2p), E=230 MeV; measured Eγ, Iγ, γnn-, nγγ-coin. ¹⁰⁰Cd deduced levels, J, π, isomer T_1/2. In-beam γ-spectroscopy.

1987HE27      Phys.Rev. C36, 2409 (1987)

J.Heese, K.P.Lieb, L.Luhmann, S.Ulbig, B.Wormann, D.Alber, H.Grawe, H.Haas, B.Spellmeyer

Spectroscopy of High Spin States in ⁷³Br

NUCLEAR REACTIONS ⁴⁰Ca(³⁶Ar, 3p), E=105-125 MeV; measured Eγ, Iγ(θ), γγ-coin, recoil distance, DSA lineshapes, Iγγ(θ, H, t). ⁴⁰Ca(⁴⁰Ca, 3pα), E=155 MeV; measured γγ-, (particle)γγ-coin. ⁷³Br deduced levels, J, π, T_1/2, g, quadrupole moment, γ-ray branching ratios, B(λ). Deformed configuration mixing model.

doi: 10.1103/PhysRevC.36.2409
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1987WO09      Z.Phys. A328, 15 (1987)

H.Wolters, K.Schiffer, A.Gelberg, A.Dewald, J.Eberth, R.Reinhardt, K.O.Zell, P.v.Brentano, D.Alber, H.Grawe

High Spin States in ¹²⁸Ba

NUCLEAR REACTIONS ¹¹⁰Pd(²²Ne, 4n), E=96 MeV; measured γγ-coin. ¹²⁸Ba deduced levels, J, π, γ-branching, band structure, configuration.

1986HE17      Z.Phys. A325, 45 (1986)

J.Heese, K.P.Lieb, L.Luhmann, F.Raether, B.Wormann, D.Alber, H.Grawe, J.Eberth, T.Mylaeus

Lifetime Measurements in ⁷⁰Se and ⁷²Se

NUCLEAR REACTIONS ⁴⁰Ca(³⁶Ar, 2pα), (³⁶Ar, 4p), E=115 MeV; ^58,60Ni(¹⁴N, np), E=39 MeV; measured Eγ, Iγ, (particle)γ-coin, Doppler shift recoil distance. ^70,72Se deduced levels, J, π, T_1/2, γ-branching, yrast sequence, T_1/2, relative Iγ, B(E2).

1985WO12      Z.Phys. A322, 171 (1985)

B.Wormann, J.Heese, K.P.Lieb, L.Luhmann, F.Raether, D.Alber, H.Grawe, B.Spellmeyer

Rotational Bands in ⁷³Br: The disappearance of shape coexistence in ⁷²Se

NUCLEAR REACTIONS ⁴⁰Ca(³⁶Ar, 3p), E=105 MeV; Ca(³⁶Ar, xnyp), E=115 MeV; measured γγ-coin, recoil distance. ⁷³Br deduced levels, J, π, yrast, rotational bands, moments of inertia, β₂, T_1/2, shape coexistence.

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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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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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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