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Isomeric decay of 67Fe --Evidence for deformation (2003)

Sawicka, M. ; Daugas, J.M. ; Grawe, H. ; [weitere]

Springer

The European physical journal 16 (2003), S. 51-54

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ISSN: 1434-601X

Schlagwort(e): PACS. 25.70.Mn Projectile and target fragmentation – 21.10.Tg Lifetimes – 27.50.+e 59 ≥ A ≥ 89 – 21.60.Cs Shell model

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: Decay-spectroscopy study of the 67mFe isomer has been performed at GANIL. This isomer is found to have an energy of 387 keV and a half-life of 75(21) μs. An intermediate excited state is introduced at 367 keV. The results are interpreted in terms of various nuclear models, and a deformed shape is inferred for 67Fe.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epja/i2002-10073-1

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Digitale Medien

Spin and parity of isomeric and ground states of the doubly-odd nucleus184Au (1994)

Ibrahim, F. ; Kilcher, P. ; Roussière, B. ; [weitere]

Springer

The European physical journal 350 (1994), S. 9-10

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ISSN: 1434-601X

Schlagwort(e): 23.20.Lv ; 23.40.−s ; 27.70.+q ; 21.10. Hw ; 21.10.Tg

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Low-spin states in doubly-odd184Au have been populated in the β+/EC decay of184Hg produced by bombarding184Sm targets with an 185 MeV40Ar beam. Radioactive Hg nuclei were transported by a He jet system. A new level scheme has been established from γ-γ-t and X-γ-t coincidence measurements. Spin and parity values Iπ=5+, Iπ =2+ and Iπ=3− were assigned to the ground state and the two isomeric states of184Au, respectively. The structure of these states is discussed using B(E1) values.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01285045

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The alpha decay study of223Th (T 1/2=0.6 s) (1992)

Liang, C. F. ; Paris, P. ; Gizon, A. ; [weitere]

Springer

The European physical journal 341 (1992), S. 401-406

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ISSN: 1434-601X

Schlagwort(e): 21.10.Hw ; 23.20.Lv ; 23.60.te

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The219Ra levels, fed by the α-decay of223Th, have been studied by anα−γ coincidence experiment. AK=1/2+ band, based on the 7/2+ ground state, with a large decoupling parameter a=−5.5 is proposed. Three levels with spins 5/2, 9/2, 7/2 and lowα-hindrance factors around 140 keV, can be considered as members of aK=5/2+ band, perturbed by the Coriolis coupling of configurations arising from theg9/2 shell. TheseK =1/2+ and 5/2+ orbitals are expected forN=131 in the reflection asymmetry model with ɛ2≃ɛ3−0.1. How-ever no evidence was found for the corresponding negative parity bands in this transitional nucleus.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01301383

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