https://doi.org/10.1140/epja/i2008-10730-3
Letter
A 3-quasiparticle isomer in neutron-rich 183Ta
1
Kansai Photon Science Institute, Japan Atomic Energy Agency, 619-0215, Kyoto, Japan
2
Advanced Science Research Center, Japan Atomic Energy Agency, 319-1195, Tokai, Ibaraki, Japan
3
Department of Research Reactor and Tandem Accelerator, Japan Atomic Energy Agency, 319-1195, Tokai, Ibaraki, Japan
* e-mail: shizuma.toshiyuki@jaea.go.jp
Received:
24
August
2008
Revised:
18
November
2008
Accepted:
23
January
2009
Published online:
10
February
2009
Excited states in neutron-rich 183Ta have been studied using a two-neutron transfer reaction of 181Ta(18O,16O) . In-beam -rays were measured in coincidence with scattered ions detected by a high-resolution
E -E Si telescope for reaction channel selection. Previously known 1-quasiparticle bands are extended to higher spins, and several levels including a T
1/2 = 0.9(3) μs 3-quasiparticle isomer are identified.
PACS: 21.10.Tg Lifetimes widths – / 23.20.Lv transitions and level energies – / 25.70.Hi Transfer reactions – / 27.70.+q 150
A
189 –
© SIF, Springer-Verlag Berlin Heidelberg, 2009