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Spectroscopy of strongly deformed 32Ne by proton knockout reactions

I. Murray, M. MacCormick

Low-lying states of neutron-rich 32Ne were populated by means of one- and two-proton knockout reactions at the RIKEN Radioactive Isotope Beam Factory. A new transition is observed at 1410(15) keV and assigned to the 4+12+1 decay. With this energy the R4/2 ratio is calculated to be 2.99(6), lying close to the rigid rotor limit and suggests a high degree of collectivity and strongest deformation among neutron-rich neon isotopes. Comparisons of experimental inclusive and exclusive reaction cross sections with shell-model and eikonal reaction dynamical calculations reveals considerable quenching for this highly asymmetric system and contributes to systematic trends.

Voir en ligne : Phys. Rev. C 99, 011302(R) – Published 7 January 2019


 

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