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Title

Two-phonon octupole excitation in Gd-146

AuthorsCaballero Ontanaya, Luis ; Rubio, Berta ; Kleinheinz, P.; Yates, S. W.; Algora, Alejandro ; Dewald, A.; Fitzler, A.; Gadea, Andrés ; Jolie, J.; Julin, R.; Linnemann, A.; Lunardi, S.; Menegazzo, R.; Möller, O.; Nácher, Enrique ; Piiparinen, M.; Blomqvist, J.
Issue Date2010
PublisherAmerican Physical Society
CitationPhysical Review C - Nuclear Physics 81: 31301 (2010)
AbstractBased on experimental evidence from the 144Sm(α,2n) reaction, the 3484.7-keV 6+ state in 146Gd is identified as the highest-spin member of the 3− ⊗ 3− two-phonon octupole quartet. A previously unknown γ line of 1905.8 keV and E3 character feeding the 3− octupole state has been observed. These results represent the first observation of a 6+ → 3− → 0+ cascade of two E3 transitions in an even-even nucleus and provide strong support for the interpretation of the 6+ state as a two-phonon octupole excitation.
URIhttp://hdl.handle.net/10261/73064
DOI10.1103/PhysRevC.81.031301
Identifiersdoi: 10.1103/PhysRevC.81.031301
issn: 0556-2813
Appears in Collections:(IFIC) Artículos
(CFMAC-IEM) Artículos
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