@article{94a3b3468c444be6ba79ff0d34a7465e,

title = "Structural behavior of Dy157,158,159 in the I=30-50 spin regime",

abstract = "Significant extensions to the high-spin excitation spectrum of the N=91, 92, 93 isotopes Dy157,158,159 have been achieved using the high-efficiency γ-ray spectrometers Euroball and Gammasphere. These nuclei were populated via weak 3n or αxn exit channels in fusion evaporation reactions. In Dy157, the yrast band has been extended to Iπ=1012+ (tentatively to 1052+) with four sideband structures (two of which are new) observed in the 35-50 spin range. In Dy158, three bands have been extended to 42+(44+),40-, and 41-(43-), whereas in Dy159 the yrast band is observed to 812+(852+). The high-spin behavior and band crossing systematics of the Dy isotopes and of the neighboring N = 91, 92, and 93 isotones are discussed in terms of rotational alignments and shape transitions. Cranked Nilsson-Strutinsky calculations without pairing have been performed for detailed comparisons with the very high-spin states observed in Dy157. {\textcopyright} 2005 The American Physical Society.",

keywords = "RARE-EARTH NUCLEI, YRAST BAND SPECTROSCOPY, GAMMA-RAY SPECTROSCOPY, ROTATIONAL BANDS, TERMINATING STRUCTURES, GE DETECTORS, LINE, CROSSINGS, DY-156, ER-158",

author = "A. Pipidis and Riley, {M. A.} and J. Simpson and Janssens, {R. V F} and Kondev, {F. G.} and Appelbe, {D. E.} and Bagshaw, {A. P.} and Bentley, {M. A.} and Brown, {T. B.} and Carpenter, {M. P.} and Cullen, {D. M.} and Campbell, {D. B.} and Dagnall, {P. J.} and P. Fallon and Fischer, {S. M.} and Hagemann, {G. B.} and Hartley, {D. J.} and K. Lagergren and Laird, {R. W.} and T. Lauritsen and Lisle, {J. C.} and D. Nisius and Shepherd, {S. L.} and Smith, {A. G.} and S. T{\"o}rm{\"a}nen and I. Ragnarsson",

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year = "2005",

month = dec,

doi = "10.1103/PhysRevC.72.064307",

language = "English",

volume = "72",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

publisher = "American Physical Society",

number = "6",

}