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An international research collaboration led by the University of Surrey's Nuclear Physics Group has overturned the long-standing belief that the atomic nucleus of lead-208 (²⁰⁸Pb) is perfectly spherical.

https://phys.org/news/2025-02-unexpected-nucleus-prompts-reevaluation-atomic.html

The discovery challenges fundamental assumptions about nuclear structure and has far-reaching implications for our understanding of how the heaviest elements are formed in the universe.

#NUCLEAR #PHYSICS #THEORY #PRESS
Mean values (points) and confidence regions corresponding to 1 σ (solid lines) and 2 σ (dotted lines) for the ⟨ 0 +1 | E3 | 3 −1⟩ and ⟨ 3 −1| E2 | 3 −1⟩ matrix elements (top), and the ⟨ 0 +1| E2 | 2 +1⟩ and ⟨ 2 +1| E2 | 2 +1⟩ matrix elements (bottom). Credit: Physical Review Letters (2025). DOI: 10.1103/PhysRevLett.134.062502
#physics #press #nuclear #theory
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