Studies of quadrupole collectivity in the γ -soft 106Ru

M. Sanchez-Vega, Henryk Mach, R.B.E. Taylor, B. Fogelberg, A. Lindroth, A.J. Aas, P. Dendooven, A. Honkanen, M. Huhta, G. Lhersonneau, M. Oinonen, J.M. Parmonen, H. Penttilä, J. Äystö, J.R. Persson, J. Kurpeta

Forskningsoutput: TidskriftsbidragArtikelPeer review


Various alternative models were used to describe the structure of 106Ru . For example, the General Collective Model (GCM) predicts shape-coexistence for 106Ru with a spherical and a triaxial minimum and strongly mixed structures, while in the IBA-2 calculations, where 106Ru was considered as transitional from vibrational U(5) to γ -soft O(6) , no need was found to include the shape-coexisting configurations. In order to provide additional constraints on the model interpretations, we have applied the Advanced Time-Delayed (ATD) βγγ(t) method to measure the level lifetimes of the excited levels in 106Ru . The new results include the half-lives of T 1/2 = 183(3) ps and 7.5(30)ps for the 2+ 1 and 2+ 2 states, respectively.

Sidor (från-till)159-165
Antal sidor6
TidskriftEuropean Physical Journal A
StatusPublicerad - 2008
Externt publiceradJa

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