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Chapter and Conference Paper
Total absorption measurements in the rare-earth region
In this contribution we present the results of a series of measurements performed at GSI with the total absorption technique. The aim of this experiment was to measure the Gamow—Teller strength of some nuclei ...
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Article
Gamma-ray spectroscopy of the neutron-rich Ni region through heavy-ion deep-inelastic collisions
Nuclei in the neutron-rich Ni region have been studied by γ-ray spectroscopy. Gamma-rays emitted from isomers, with T 1/2 > 1 ns, produced in heavy-ion deep-inelastic collisions were measured with an isomer-scope...
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Article
Gamma-decay of the 27/2− 0. 6s E3-isomer in 68 151 Er83
The nucleus 151Er was investigated through γ-ray and conversion electron measurements from its 27/2− isomer decay produced in a HI reaction at the GSI on-line mass separator. Inaddition tothe known intense yrast ...
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Article
Yrast states in the π- particle ν- hole nucleus 65 146 Tb81
The nucleus 146Tb was studied from in beam γγ-and conversion electron measurements. The level scheme was established up to ∼5MeV above the (πh11/2 vd 3/2 −1
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Article
Particle-quadrupole and particle-octupole coupled states in 145Sm
In the present paper we present part of the results obtained in the study of above-yrast states in 145Sm using the 142Nd(α,Xnγ) reaction. γ-γ, angular distribution, polarization, and excitation function measureme...
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Article
Gamow-Teller strength from the β+ decay of 14766Dy81
Adedicated γ-ray measurement with mass-separated 147Dy activity gave the direct β-feeding intensities to the 147Tb πs1=2 and πh11=2 single proton states in decay of the 147Dyνs-11=2 andνh-111=2 activities.With th...
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Article
Properties of the 69 150 Tm81 6− β-decaying isomer
Decay experiments for148Ho 6− and150Tm 6− were carried out at the GSI On-line mass separator using 5 MeV/A58Ni-beams on94Mo and96Ru targets. Gammaγ-andγX-coincidences established the150Tm 6− decay scheme, and e− ...
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Article
Properties of the \(_{69}^{150}{\text{T}}{{\text{m}}_{81}}\) 6− β-decaying isomer
Decay experiments for 148Ho 6− and 150Tm 6− were carried out at the GSI On-line mass separator using 5 MeV/A 58Ni-beams on 94Mo and 96Ru targets. Gammaγ-and γX-coincidences established the 150Tm 6− decay scheme, ...
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Article
Shell model yrast states in the many-particle nucleus 72 157 Hf85
In-beamγγ- andγγn-measurements have for the first time identified excited states in the 72 157 Hf85 nucleus and have established its yrast levels up to 6.5 MeV ...
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Article
Particle × phonon multiplets in 65 147 Tb82
Above-yrast states in the one-ptoton nucleus147Tb were studied in144Sm(6Li,3n)γ- and electron-measurements at the Coulomb barrier. Together with data from a separate study of147Dyβ-decay, members of all ten parti...
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Article
Seniority inverted yrast states observed in 69 153 Tm84
Through an in-beam study of the 69 153 Tm84 nucleus we have identified the πh 11 2/5 /2νf
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Article
Shell model high-spin states in 67 151 Ho84
In an in-beam study of 67 151 Ho84 we have established its high-spin states up to 10 MeV and have suggested spin assignments up to (49/2) at 6.2 MeV. The main d...
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Article
TheN=83 nucleus149Dy from Gamow-Teller decay of its 11/2− and 1/2+ 149Ho parents
A high-sensitivityγ-spectroscopic study of the149Hoπh 11/2 andπs 1/2 β-decays using mass separated sources has located dominant 0+ → 1+ GT decay strength associated with decay of pairedh 11/2 protons, leading to ...
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Article
Shell model yrast states in theN=79 nuclei141Sm and143Gd
In (α,5n) in-beam γ- and electron measurements we have established high-spin states in the 3-neutronhole nuclei141Sm and143Gd. Observed energy levels below 4 MeV are interpreted in terms of shell model configurat...
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Article
Energy inversion of thef 7/2 andh 9/2 neutrons in yrast states of154Yb
The N=84 nucleus154Yb was investigated through the106Cd(54Fe,α2p) reaction. We found the 16+ yrast level in this nucleus to be formed by the (πh11/2 2 νf7/2h9/2) configuration, in contrast to the lower-Z isotones...
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Article
Two-proton multiplets in theN=82 nucleus 62 144 Sm82 from in-beamγ-measurements
In a high sensitivity (α,2nγ) in-beam study of 62 144 Sm82, with the Kölner Würfel OSIRIS γ-detector array including a Compton polarimeter, we have identified t...
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Article
Three-nucleon yrast states in145Sm
In-beamγ-ray and conversion electron measurements with (α, xn) reactions have established the145Sm highspin states up toI π=25/2+ at 3.5 MeV excitation. A shell model analysis using empirical two- and one-body en...
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Article
β +-endpoint measurements near100Sn and146Gd
With a summation-free β+-endpoint spectrometer the β+-decay energies of104Sn,147Tb,148, 149Dy,149Ho,150Er, and151Tm were remeasured with improved accuracy. Combined with known proton and alpha decay energies, the...
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Article
Multiparticle- and particle x octupole states in 65 149 Tb84
Yrast- and above-yrast states in149Tb were investigated in (α, 6n) and (7Li, 2n) in-beamγ-ray experiments. The yrastγ-ray cascade strongly populates three-valenceparticle states involving theh 11/2 proton and the
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Article
Collective excitations in148Gd populated in thep p′-reaction on a radioactive target
Collective excitations in the two-particle nucleus148Gd up to 2.9 MeV have been investigated by thepp′-reaction at 25 MeV beam energy, and angular distributions have been analyzed with standard DWBA calculations....
