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Title: Systematics of low-lying energy level ratios in near closed shell nuclei
Authors: Ahmed, I
Dutt, S
Kumar, R
Keywords: Energy ratio;Collective;Single particle;Co-existing structures;Intruder states
Issue Date: Aug-2019
Publisher: NISCAIR-CSIR, India
Abstract: To correlate the single particle and collective behaviour of the nuclei, some of the isotopic chains in the vicinity of doubly magic Sn and Pb-cores have been studied with the most recent data available. Energy ratios E (61+)/E(41+) and E(41+)/E(21+) have been calculated to predict the nature of the studied isotopes. The energy space has been divided into four regimes, classifying the single particle, collective, and two forbidden regions. Signature of coexisting structures (collective and non-collective) arising out of intruder configurations in the yrast excitation has also been interpreted. Recently observed neutron rich 130Sn to 138Sn, and 210Pb to 216Pb isotopes have also been included in the present study.
Page(s): 602-604
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJPAP Vol.57(08) [August 2019]

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