Spectroscopy of strongly deformed 32Ne by proton knockout reactions
2019
Low lying states of neutron-rich 32 Ne were populated by means of one- and two-proton knock-
out reactions at the RIKEN Radioactive Isotope Beam Factory. A new transition is observed at
1410(15) keV and assigned to the 4+
1 → 2+
1 decay. With this energy the R 4/2 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 exclu-
sive reaction cross sections with shell model and eikonal reaction dynamical calculations reveals
considerable quenching for this highly asymmetric system and contributes to systematic trends.
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