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Investigation of 9Be from nonlocalized clustering concept

Abstract : The nonlocalized aspect of clustering, which is a new concept for self-conjugate nuclei, is extended for the investigation of the N{\not=}Z nucleus ${}^9$Be. A modified version of the THSR (Tohsaki-Horiuchi-Schuck-R\"opke) wave function is introduced based on the container picture. It is found that the constructed negative-parity THSR wave function is very suitable for describing the cluster states of ${}^9$Be. Namely the nonlocalized clustering is shown to prevail in ${}^9$Be. The calculated binding energy and radius of ${}^9$Be are consistent with calculations in other models and with experimental values. The squared overlaps between the THSR wave function and the Brink+GCM wave function for the $3/2^-$ rotational band of ${}^9$Be are found to be near 96%. Furthermore, by showing the density distribution of the ground state of ${}^9$Be, the {\pi}-orbit structure is naturally reproduced by using this THSR wave function.
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http://hal.in2p3.fr/in2p3-01141125
Contributor : Sophie Heurteau <>
Submitted on : Friday, April 10, 2015 - 3:06:31 PM
Last modification on : Thursday, November 19, 2020 - 3:52:36 PM

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M. Lyu, Zhuoxiang Ren, B. Zhou, Y. Funaki, H. Horiuchi, et al.. Investigation of 9Be from nonlocalized clustering concept. Physical Review C, American Physical Society, 2015, 91, pp. 014313. ⟨10.1103/PhysRevC.91.014313⟩. ⟨in2p3-01141125⟩

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