Collective excitations and band termination in 85Nb |
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| Institution: | 1. Department of Physics, Royal Institute of Technology, S-104 05 Stockholm, Sweden;2. Chemistry Department, Washington University, St. Louis, MO 63130, USA;3. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;1. Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, School of Mathematics and Physics, Qingdao University of Science & Technology, Qingdao 266061, China;2. Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Research Center of Space Laser Information Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;3. School of Information Science and Engineering, and Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, Qingdao 266237, China;1. Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, Collaborative Innovation Center of Chemical Science and Engineering, School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, PR China;2. School of Life Science, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, PR China;3. Central Institute of Pharmaceutical Research, CSPC Pharmaceutical Group, 226 Huanghe Road, Shijiazhuang, Hebei 050035, PR China;4. Department of Biochemistry, Gudui BioPharma Technology Inc., 5 Lanyuan Road, Huayuan Industrial Park, Tianjin 300384, PR China;1. State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China;2. School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China;3. Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan;1. Institute for Theoretical Physics, Goethe University, Max-von-Laue-Str. 1, D-60438 Frankfurt am Main, Germany;2. Interdisciplinary Center for Theoretical Study and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China |
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| Abstract: | High-spin states in 85Nb were studied using the Gammasphere Ge detector array and the Microball charged-particle detector system. Three γ-ray cascades with collective rotational characteristics were observed. One of the bands exhibits a forking at the top, most likely reflecting the termination of one branch into a favoured non-collective, near spherical state. The data are interpreted in terms of cranked Strutinsky-type calculations. |
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