Phys.org -
1 May 2019 19:00

Scientists from the RIKEN Nishina Center for Accelerator-Based Research and collaborators have used the center's heavy ion accelerator, the RI Beam Factory, to demonstrate that nickel-78, a neutron-rich "doubly magic" isotope of nickel with 28 protons and 50 neutrons, still maintains a spherical shape that makes it relatively stable despite the large imbalance in the number of protons and neutrons. They also discovered a surprise--observations from the experiment suggest that nickel-78 may be th...
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