Spectroscopy of the neutron-deficient nucleus Os-167(91)
- Greenlees, P. T.
- Leino, M.
- Lumley, N. M.
- Mason, P. J. R.
- Moeller, O.
- Nieminen, P.
- Nyman, M.
- Page, R. D.
- Pakarinen, J.
- Paul, E. S.
- Petri, M.
- Petts, A.
- Peura, P.
- Pietralla, N.
- Pissulla, Th.
- Rahkila, P.
- Ruotsalainen, P.
- Sandzelius, M.
- Sapple, P. J.
- Saren, J.
- Sorri, J.
- Thomson, J.
- Uusitalo, J.
- Watkins, H. V.
- Ganioglu, E.
- O'Donnell, D.
- Grahn, T.
- Joss, D. T.
- Simpson, J.
- Scholey, C.
- Andgren, K.
- Bianco, L.
- Cederwall, B.
- Cullen, D. M.
- Dewald, A.
- Hornillos, M. B. Gomez
- Hadinia, B.
- Iwasaki, H.
- Jakobsson, U.
- Jolie, J.
- Jones, P.
- Judson, D. S.
- Julin, R.
- Juutinen, S.
- Ketelhut, S.
- Labiche, M.
DOIAbstract
Excited states of the nucleus Os-167 have been populated by the reaction Mo-92(Kr-78,2pn). The JUROGAM gamma-ray detector array has been used in conjunction with the RITU gas-filled separator and the GREAT spectrometer to observe prompt gamma rays in coincidence with recoiling fusion-evaporation residues and their subsequent decay by alpha particle emission. By correlating prompt gamma radiation with the characteristic alpha radioactivity of Os-167, it has been possible to extend the level scheme for this nucleus significantly. In particular, an extension of the yrast band and four previously unobserved bands are reported. In addition, the recoil distance Doppler-shift method was used to determine a lifetime of tau=20(4) ps for The I-pi=17/...
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