Weakly Deformed Oblate Structures in 198Os
- Podolyak, Zs.
- Steer, S. J.
- Pietri, S.
- Xu, F. R.
- Liu, H. L.
- Regan, P. H.
- Rudolph, Dirk
- Garnsworthy, A. B.
- Hoischen, Robert
- Gorska, M.
- Gerl, J.
- Wollersheim, H. J.
- Kurtukian-Nieto, T.
- Benzoni, G.
- Shizuma, T.
- Becker, F.
- Bednarczyk, P.
- Caceres, L.
- Doornenbal, P.
- Geissel, H.
- Grebosz, J.
- Kelic, A.
- Kojouharov, I.
- Kurz, N.
- Montes, F.
- Prokopowicz, W.
- Saito, T.
- Schaffner, H.
- Tashenov, S.
- Heinz, A.
- Pfutzner, M.
- Jungclaus, A.
- Balabanski, D. L.
- Brandau, C.
- Bruce, A. M.
- Catford, W. N.
- Cullen, I. J.
- Dombradi, Zs.
- Estevez, E.
- Gelletly, W.
- Ilie, G.
- Jolie, J.
- Jones, G. A.
- Kmiecik, M.
- Kondev, F. G.
- Kruecken, R.
- Lalkovski, S.
- Liu, Z.
- Maj, A.
- Myalski, S.
- Schwertel, S.
- Walker, P. M.
- Werner-Malento, E.
- Wieland, O.
DOIAbstract
Gamma rays de-exciting isomeric states in the neutron-rich nucleus Os-198(76)122 have been observed following relativistic projectile fragmentation of a 1 GeV per nucleon Pb-208 beam. The ground-state band has properties compatible with oblate deformation. The evolution of the structure of Os isotopes characterized by sudden prolate-oblate shape change is discussed and contrasted with the smooth change known in the Pt chain
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