Low-lying excited states in the neutron-deficient isotopes 163Os and 165Os

被引:7
|
作者
Drummond, M. C. [1 ]
Joss, D. T. [1 ]
Page, R. D. [1 ]
Simpson, J. [2 ]
O'Donnell, D. [1 ]
Andgren, K. [3 ]
Bianco, L. [1 ]
Cederwall, B. [3 ]
Darby, I. G. [1 ]
Eeckhaudt, S. [4 ]
Gomez-Hornillos, M. B. [2 ]
Grahn, T. [4 ]
Greenlees, P. T. [4 ]
Hadinia, B. [3 ]
Jones, P. M. [4 ]
Julin, R. [4 ]
Juutinen, S. [4 ]
Ketelhut, S. [4 ]
Leppaenen, A. -P. [4 ]
Leino, M. [4 ]
Nyman, M. [4 ]
Pakarinen, J. [4 ]
Rahkila, P. [4 ]
Sandzelius, M. [3 ]
Sapple, P. J. [1 ]
Saren, J. [4 ]
Saygi, B. [1 ]
Scholey, C. [4 ]
Sorri, J. [4 ]
Thomson, J. [1 ]
Uusitalo, J. [4 ]
Venhart, M. [5 ]
机构
[1] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England
[2] SERC, Daresbury Lab, Warrington WA4 4AD, Cheshire, England
[3] Royal Inst Technol, Dept Phys, S-10691 Stockholm, Sweden
[4] Univ Jyvaskyla, Dept Phys, FI-40014 Jyvaskyla, Finland
[5] Slovak Acad Sci, Inst Phys, SK-84511 Bratislava, Slovakia
来源
PHYSICAL REVIEW C | 2013年 / 87卷 / 05期
基金
芬兰科学院; 瑞典研究理事会; 英国科学技术设施理事会;
关键词
GAMMA-RAY SPECTROSCOPY; SHAPE COEXISTENCE; DISCOVERY; IDENTIFICATION; ALIGNMENT; OSMIUM;
D O I
10.1103/PhysRevC.87.054309
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Excited states in the neutron-deficient isotopes Os-163 and Os-165 were identified using the JUROGAM and GREAT spectrometers in conjunction with the RITU gas-filled separator. The Os-163 and Os-165 nuclei were populated via the Cd-106(Ni-60,3n) and Mo-92(Kr-78,2p3n) reactions at bombarding energies of 270 MeV and 357 MeV, respectively. Gamma-ray emissions from these nuclei have been established unambiguously using the recoil-decay tagging technique and a coincidence analysis has allowed level schemes to be established. These results suggest that the yrast states are based upon negative-parity configurations originating from the f(7/2) and h(9/2) orbitals.
引用
收藏
页数:6
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