Decay chains for the newly discovered element 117. The observed (predicted) lifetimes for each step are in black (blue).
Selected by the Editors for a PRL Suggestion and a Viewpoint in Physics.

From the article:

Synthesis of a New Element with Atomic Number $Z=117$
Yu. Ts. Oganessian et al.
Phys. Rev. Lett. 104, 142502 (2010)

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