Fig. 2 (IMAGE) Osaka University Caption Schematic diagram of three deformed states coexisting in the 40Ca nucleus and electron-positron pair transitions. (A) Transition from the super-deformed state to the spherical ground state, (B) from the normal deformed state to the ground state, and (C) from the superdeformed state to the normal deformed state. Credit E. Ideguchi Usage Restrictions Only noncommercial uses of the work are permitted. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.