Contact: Dr. Ingo Peter
Helmholtz Association of German Research Centres
Caption: This map shows presently known isotopes of the heaviest elements as squares. Blue: Calculated strength of shell effects. Red: nobelium and lawrencium isotopes studied. Green / yellow: Nuclides whose masses have been improved by the results. Orange: Location of closed shells.
Credit: Courtesy of Science/AAAS
Must also include this credit: Courtesy of Science/AAAS
Related news release: Stabilizing shell effects in heaviest elements directly measured