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Excited states in neutron-rich 188W produced by an 18O-induced 2-neutron transfer reaction |
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| Authors: | T Shizuma T Ishii H Makii T Hayakawa S Shigematsu M Matsuda E Ideguchi Y Zheng M Liu T Morikawa P M Walker M Oi |
| Institution: | (1) Quantum Beam Science Directorate, Japan Atomic Energy Agency, 619-0215 Kizu, Kyoto, Japan;(2) Advanced Science Research Center, Japan Atomic Energy Agency, 319-1195 Tokai, Ibaraki, Japan;(3) Department of Energy Sciences, Tokyo Institute of Technology, 226-8502 Yokohama, Japan;(4) Department of Research Reactor and Tandem Accelerator, Japan Atomic Energy Agency, 319-1195 Tokai, Ibaraki, Japan;(5) Center for Nuclear Study, University of Tokyo, 351-0198 Wako, Saitama, Japan;(6) Department of Physics, Kyushu University, 812-8581 Fukuoka, Japan;(7) Department of Physics, University of Surrey, GU2 7XH Guildford, UK |
| Abstract: | Excited states in neutron-rich 188W have been populated using a 186W(18O,16O) reaction. In-beam γ-rays were measured in coincidence with scattered particles detected by a high-resolution ΔE-E Si telescope. In this experiment, the ground-state band has been identified up to I π = 8+. The γ band, the K π = 2- octupole band, and a 2-quasiparticle state were also observed. The results are compared with predictions of self-consistent HFB cranking calculations and blocked-BCS multi-quasiparticle calculations. |
| Keywords: | 23 20 Lv γ transitions and level energies 25 70 Hi Transfer reactions 27 70 +q 150≤ A≤ 189 |
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