Excited states and reduced transition probabilities in Os-168
- Grahn, T.
- Stolze, S.
- Joss, D. T.
- Page, R. D.
- Saygi, B.
- O'Donnell, D.
- Akmali, M.
- Andgren, K.
- Bianco, L.
- Cullen, D. M.
- Dewald, A.
- Greenlees, P. T.
- Heyde, K.
- Iwasaki, H.
- Jakobsson, U.
- Jones, P.
- Judson, D. S.
- Julin, R.
- Juutinen, S.
- Ketelhut, S.
- Leino, M.
- Lumley, N.
- Mason, P. J. R.
- Moeller, O.
- Nomura, K.
- Nyman, M.
- Petts, A.
- Peura, P.
- Pietralla, N.
- Pissulla, Th.
- Rahkila, P.
- Sapple, P. J.
- Saren, J.
- Scholey, C.
- Simpson, J.
- Sorri, J.
- Stevenson, P. D.
- Uusitalo, J.
- Watkins, H. V.
- Wood, J. L.
DOIAbstract
WOS: 000390177700005The level scheme of the neutron-deficient nuclide Os-168 has been extended and mean lifetimes of excited states have been measured by the recoil distance Doppler-shift method using the JUROGAM gamma-ray spectrometer in conjunction with the IKP Koln plunger device. The 168Os. rays were measured in delayed coincidence with recoiling fusion-evaporation residues detected at the focal plane of the RITU gas-filled separator. The ratio of reduced transition probabilities B(E2; 4(1)(+)-> 2(1)(+))/B(E2; 2(1)(+)-> 0(1)(+)) is measured to be 0.34(18), which is very unusual for collective band structures and cannot be reproduced by interacting boson model (IBM-2) calculations based on the SkM* energy-density functional.EURONS (Europ...
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