The (6(+)) isomer in Sn-102 revisited: Neutron and proton effective charges close to the double shell closure
- Grawe, H.
- Straub, K.
- Faestermann, T.
- Gorska, M.
- Hinke, C.
- Kruecken, R.
- Nowacki, F.
- Boehmer, M.
- Boutachkov, P.
- Geissel, H.
- Gernhaeuser, R.
- Gottardo, A.
- Grebosz, J.
- Kurz, N.
- Liu, Z.
- Maier, L.
- Pietri, S.
- Podolyak, Zs
- Steiger, K.
- Weick, H.
- Wollersheim, H. J.
- Woods, P. J.
- Al-Dahan, N.
- Alkhomashi, N.
- Atac, A.
- Blazhev, A.
- Braun, N.
- Celikovic, I
- Davinson, T.
- Dillmann, I
- Domingo-Pardo, C.
- Doornenbal, P.
- Farrelly, G.
- Farinon, F.
- de France, G.
- Gerl, J.
- Goel, N.
- Habermann, T.
- Hoischen, R.
- Janik, R.
- Karny, M.
- Kaskas, A.
- Kojouharov, I
- Kroell, Th
- Lewitowicz, M.
- Litvinov, Yu A.
- Myalski, S.
- Nebel, F.
- Nishimura, S.
- Nociforo, C.
- Nyberg, J.
- Parikh, A.
- Prochazka, A.
- Regan, P. H.
- Rigollet, C.
- Schaffner, H.
- Scheidenberger, C.
- Schwertel, S.
- Soderstrom, P-A
- Steer, S.
- Stolz, A.
- Strmen, P.
DOIAbstract
In a high-energy fragmentation experiment at GSI an I-pi = (6(+)) isomer and its gamma-decay are identified in Sn-102, the two-neutron neighbour of the doubly-magic Sn-100. Its half-life is measured to be T-1/2 = 367(11) ns. The possible existence of further isomers is discussed in the framework of large-scale shell model (LSSM) calculations including up to five particle-hole excitations of the Sn-100 core. From the precise B(E2; 6(+) -> 4(+)) strength and the recently remeasured value for B(E2; 8(+) -> 6(+)) in the two-proton hole neighbour Cd-98 effective E2 polarization charges for protons and neutrons were inferred including LSSM corrections within the full N=4 0h omega space. The results are discussed in comparison to predicted and emp...
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