Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apre10006d&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
An experiment was performed at Argonne National Laboratory using GAMMASPHERE to observe both the prompt and delayed transitions in ^174Hf. The reaction ^130Te(^48Ca,4n) was used at a beam energy of 194 MeV. A thin, self supporting target was used for a portion of the experimental time such that high-spin states (I>30) could be observed following Doppler-shift corrections. The analisys of the data surprisingly revealed four bands with large dynamical moments of inertia. Indeed, the moments of these bands are similar to the known superdeformed bands in ^168Hf [1]. This was a surprise as ^174Hf is six nucleons aways from the nearest island of superdeformation. Ultimate Cranker calculations predict that these bands may have stable triaxial deformation as well. Lifetime measurements of the possible triaxial superdeformed levels using the DSAM method are underway. [1] H. Amro et al., Phys. Lett. B. 506, 39 (2001)
Abu Saleem K.
Ahmad Ibrahim
Balabanski Dimiter L.
Carpenter M. P.
Chowdhury Papia
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