Studies of quadrupole collectivity in the γ -soft 106Ru

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.

Mach, HenrykDepartment of Nuclear and Particle Physics, Uppsala University (author)
Taylor, R.B.E.Department of Nuclear and Particle Physics, Uppsala University (author)
Fogelberg, B.Uppsala universitet,Kärn- och partikelfysik (author)
Lindroth, A.Uppsala universitet,Kärn- och partikelfysik (author)
Aas, A.J.Department of Chemistry, University of Oslo (author)
Dendooven, P.Department of Physics, University of Jyväskylä (author)
Honkanen, A.Department of Physics, University of Jyväskylä (author)
Huhta, M.Department of Physics, University of Jyväskylä (author)
Lhersonneau, G.Department of Physics, University of Jyväskylä (author)
Oinonen, M.Department of Physics, University of Jyväskylä (author)
Parmonen, J.M.Department of Physics, University of Jyväskylä (author)
Penttilä, H.Department of Physics, University of Jyväskylä (author)
Äystö, J.Department of Physics, University of Jyväskylä (author)
Persson, J.R.School of Physics and Space Research, University of Birmingham, B15 2TT, Birmingham, UK (author)
Kurpeta, J.Faculty of Physics, University of Warsaw (author)
Penttila, H. (author)
Parmonen, J. M. (author)
Aysto, J. (author)
Persson, J. R. (author)
Aas, A. J. (author)
Taylor, R. B. E.Uppsala universitet,Kärn- och partikelfysik (author)
Mach, H.Uppsala universitet,Kärn- och partikelfysik (author)
Uppsala universitetKärn- och partikelfysik (creator_code:org_t)

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