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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/057/01/0191-0194

    • Keywords

       

      Alignment; projected shell model; lifetime; shell gap

    • Abstract

       

      Lifetimes of high spin states up to {$$I^\pi $$}=22+ in the yrast positive parity bands have been measured to investigate the shape evolution with increasing spin in 72, 74Se. The Qt values derived from these measurements indicate that prolate shape stabilizes for 72Se, while a triaxial shape develops for 74Se at higher spins. Comparison of the observed trend in Qt with spin for 72, 74Se with that of the corresponding kryptones isotones emphasizes the stability provided by N=38 prolate shell gap even at high rotational frequency.

    • Author Affiliations

       

      R Palit1 HC Jain1 PK Joshi1 JA Sheikh1

      1. Tata Institute of Fundamental Research, Mumbai - 400 005, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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