Magnetic dipole strength functions in heavy deformed nuclei

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Zawischa, D.; MacFarlane, M.; Speth, J.: Magnetic dipole strength functions in heavy deformed nuclei. In: Physical Review C 42 (1990), Nr. 4, S.1461-1471. DOI: https://doi.org/10.1103/PhysRevC.42.1461

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Abstract: 
The isovector spin-flip M1 strength function in the deformed heavy nuclei 156Gd and 238U is calculated in the quasiparticle random-phase approximation. Interaction parameters are adjusted to reproduce the energies of isobaric-analog and Gamow-Teller excitations observed in (p,n) charge-exchange reactions. A phenomenological spreading width for decay into background 2p2h states is introduced and adjusted to reproduce the M1 spin-flip strength function recently observed by elastic scattering of tagged photons on 90Zr and 208Pb. With the model parameters fixed in this fashion, our calculations predict large quantities of spin-flip M1 strength (10–20 µ2N) between 5 and 10 MeV excitation in 156Gd and 238U; it is strongly fragmented and should be observable by tagged-photon elastic scattering and proton inelastic scattering but probably not in high resolution inelastic electron scattering.
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Document Type: Article
Publishing status: publishedVersion
Issue Date: 1990
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of United States United States 19 32.76%
2 image of flag of Germany Germany 18 31.03%
3 image of flag of China China 7 12.07%
4 image of flag of Ireland Ireland 3 5.17%
5 image of flag of Uzbekistan Uzbekistan 2 3.45%
6 image of flag of Turkey Turkey 2 3.45%
7 image of flag of Russian Federation Russian Federation 2 3.45%
8 image of flag of South Africa South Africa 1 1.72%
9 image of flag of Taiwan Taiwan 1 1.72%
10 image of flag of Iraq Iraq 1 1.72%
    other countries 2 3.45%

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