Rb-37(97)60 : The Cornerstone of the Region of Deformation around A similar to 100

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Sotty , C , Zielinska , M , Georgiev , G , Balabanski , D L , Stuchbery , A E , Blazhev , A , Bree , N , Chevrier , R , Das Gupta , S , Daugas , J M , Davinson , T , De Witte , H , Diriken , J , Gaffney , L P , Geibel , K , Hadynska-Klek , K , Kondev , F G , Konki , J , Kroell , T , Morel , P , Napiorkowski , P , Pakarinen , J , Reiter , P , Scheck , M , Seidlitz , M , Siebeck , B , Simpson , G , Toernqvist , H , Warr , N & Wenander , F 2015 , ' Rb-37(97)60 : The Cornerstone of the Region of Deformation around A similar to 100 ' , Physical Review Letters , vol. 115 , no. 17 , 172501 . https://doi.org/10.1103/PhysRevLett.115.172501

Title: Rb-37(97)60 : The Cornerstone of the Region of Deformation around A similar to 100
Author: Sotty, C.; Zielinska, M.; Georgiev, G.; Balabanski, D. L.; Stuchbery, A. E.; Blazhev, A.; Bree, N.; Chevrier, R.; Das Gupta, S.; Daugas, J. M.; Davinson, T.; De Witte, H.; Diriken, J.; Gaffney, L. P.; Geibel, K.; Hadynska-Klek, K.; Kondev, F. G.; Konki, J.; Kroell, T.; Morel, P.; Napiorkowski, P.; Pakarinen, J.; Reiter, P.; Scheck, M.; Seidlitz, M.; Siebeck, B.; Simpson, G.; Toernqvist, H.; Warr, N.; Wenander, F.
Contributor: University of Helsinki, Helsinki Institute of Physics
Date: 2015-10-20
Language: eng
Number of pages: 6
Belongs to series: Physical Review Letters
ISSN: 0031-9007
URI: http://hdl.handle.net/10138/159036
Abstract: Excited states of the neutron-rich nuclei Rb-97,Rb- 99 were populated for the first time using the multistep Coulomb excitation of radioactive beams. Comparisons of the results with particle-rotor model calculations provide clear identification for the ground-state rotational band of Rb-97 as being built on the pi g(9/2) [431] 3/2(+) Nilsson-model configuration. The ground-state excitation spectra of the Rb isotopes show a marked distinction between single-particle-like structures below N = 60 and rotational bands above. The present study defines the limits of the deformed region around A similar to 100 and indicates that the deformation of Rb-97 is essentially the same as that observed well inside the deformed region. It further highlights the power of the Coulomb-excitation technique for obtaining spectroscopic information far from stability. The Rb-99 case demonstrates the challenges of studies with very short-lived postaccelerated radioactive beams.
Subject: NEUTRON-RICH NUCLEI
FISSION FRAGMENTS
DETECTOR
MOMENTS
ZR-100
STATES
114 Physical sciences
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