F. Seiffert
University of Cologne
9 Papers
70 Citations
F. Seiffert is an academic researcher from University of Cologne. The author has contributed to research in topics: Excited state & Nuclear reaction. The author has an hindex of 6, co-authored 9 publications.
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Papers
Shapes and rotational structures of neutron configurations in the XeBaCe region
TL;DR: In this article, the authors investigated the deformation trajectories of one-, three-and five-quasiparticle configurations with the Strutinsky mean-field concept and compared the experimentally observed signature splitting and crossing frequencies in XeBa-Ce nuclei.
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Spin determination from side-feeding excitation function of the nucleus 128Xe in the 125Te(α, nγ)128Xe and 126Te(α, 2nγ)128Xe reactions
TL;DR: In this article, the (α, χnγ) reaction was used to populate a large number of low and medium-spin states of the 128 Xe nucleus and a new method of spin determination from the excitation functions of the side feeding was presented.
21
Band structures in73Se
F. Seiffert,Ronald Schwengner,G. Winter,L. Funke,W. Lieberz,R. Reinhardt,K. P. Schmittgen,D. Weil,R. Wrzal,K. O. Zell,P. von Brentano +10 more
TL;DR: In this article, the mean lifetimes of 12 levels have been determined applying Doppler-shift andγ-RF-methods using techniques of in-beamγ-ray spectroscopy in connection with the 70Ge(α, n) reaction.
12
On the average gamma-transition strength of a compound nucleus and an application to 74Se
TL;DR: In this paper, the average γ-transition strength ξ γ (E2) for 74 Se was estimated by comparing the ratios of the experimental total γ cross section σ γ and σ nγ of the reactions 70 Ge(α, γ) 74 Se and 70 Ge (α, nγ) 73 Se with the ratio of the calculated ones.
8
73 Se investigated by the (α, nγ) reaction
F. Seiffert,R. Wrzal,K. O. Zell,K. P. Schmittgen,R. Reinhardt,W. Lieberz,A. Dewald,A. Gelberg,P. von Bretano +8 more
- 01 Jan 1988
TL;DR: In this paper, the authors used the 70Ge(α,n)73Se reaction to populate medium spin states of the 73Se nucleus using the Cologne FN-Tandem accelerator.
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