Chowdhury, P. and Brown, B. A. and Garg, U. and McKeown, R. D. and Sjoreen, T. P. and Fossan, D. B. (1985) Nuclear structure in 95,97Ru nuclei. Physical Review C, 32 (4). pp. 1238-1246. ISSN 0556-2813 http://resolver.caltech.edu/CaltechAUTHORS:CHOprc85
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The high-spin level structures of the nuclei 95,97Ru have been studied via the 92Mo(6Li,p2n)95Ru and 93Nb(7Li,3n)97Ru reactions, using γ-γ coincidence, γ-W(θ), and pulsed-beam-γ measurements. Shell-model calculations of energy levels and B(E2) values for 95Ru have been performed and compared with the experimentally observed levels and the measured (21/2)+ and (17/2)+ lifetimes. A collective ΔJ=2 band has been identified with the 1h11/2 neutron state in 97Ru, and discussed in the context of the general nature of collectivity in nuclei outside the N=50 closed shell. No ΔJ=1 band associated with the 1g9/2 neutron-hole intruder state was found in either of the N=51,53 Ru nuclei, as observed previously for the 1g9/2 proton-hole intruder states in the Z=51 Sb and Z=53 I nuclei.
|Additional Information:||©1985 The American Physical Society. Received 1 July 1985. This work was supported in part by the National Science Foundation.|
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|Deposited On:||05 Jun 2008|
|Last Modified:||26 Dec 2012 10:04|
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