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New Band Structures...
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Sun, H.Florida State University
(author)
New Band Structures and an Unpaired Crossing in 78Kr
- Article/chapterEnglish1999
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LIBRIS-ID:oai:lup.lub.lu.se:cfc54b13-bd3d-43f2-ab96-899b8bc27803
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https://lup.lub.lu.se/record/3964653URI
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https://doi.org/10.1103/PhysRevC.59.655DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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High-spin states in Kr-78 were studied using the Ni-58(Na-23,3p) reaction at 70 MeV and the Ni-58(Si-23,alpha 4p) reaction at 130 MeV. Prompt gamma-gamma coincidences were measured using the Pitt-FSU detector array and the GAMMASPHERE-MICROBALL array. Results from these experiments have led to 26 new excitation levels, some of which have been grouped into 3 new bands. Spins were assigned based on directional correlations of oriented nuclei. Two of the new negative-parity bands appear to form a signature-partner pair based on a two-quasineutron structure, in contrast to the previously known two-quasiproton negative-parity bands. A forking has been observed at the 24(+) state in the yrast band, which calculations suggest may result from an unpaired crossing. The available evidence suggests oblate shapes in the yrast band coexist with prolate shapes in the negative-parity bands. [S0556-2813(99)04602-6].
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Doring, J.Florida State University
(author)
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Johns, G. D.Florida State University
(author)
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Kaye, R. A.Florida State University
(author)
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Solomon, G. Z.Florida State University
(author)
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Tabor, S. L.Florida State University
(author)
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Devlin, M.Washington University in St. Louis
(author)
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LaFosse, D. R.Washington University in St. Louis
(author)
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Lerma, F.Washington University in St. Louis
(author)
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Sarantites, D. G.Washington University in St. Louis
(author)
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Baktash, C.Oak Ridge National Laboratory
(author)
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Rudolph, DirkOak Ridge National Laboratory(Swepub:lu)kosu-dru
(author)
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Yu, C. H.Oak Ridge National Laboratory
(author)
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Lee, I. Y.Lawrence Berkeley National Laboratory
(author)
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Macchiavelli, A. O.Lawrence Berkeley National Laboratory
(author)
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Birriel, I.University of Pittsburgh
(author)
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Saladin, J. X.University of Pittsburgh
(author)
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Winchell, D. F.University of Pittsburgh
(author)
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Wood, V. Q.University of Pittsburgh
(author)
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Ragnarsson, I.Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)matf-ira
(author)
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Florida State UniversityWashington University in St. Louis
(creator_code:org_t)
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In:Physical Review C (Nuclear Physics)59:2, s. 655-6640556-2813
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Sun, H.
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Doring, J.
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Johns, G. D.
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Kaye, R. A.
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Solomon, G. Z.
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Tabor, S. L.
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Devlin, M.
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LaFosse, D. R.
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Lerma, F.
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Sarantites, D. G ...
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Baktash, C.
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Rudolph, Dirk
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Yu, C. H.
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Lee, I. Y.
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Macchiavelli, A. ...
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Birriel, I.
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Saladin, J. X.
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Winchell, D. F.
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Wood, V. Q.
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Ragnarsson, I.
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