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sabato 15 febbraio 2020

# gst: apropos of 'wobbly' entities

<< As Earth rotates along its axis, it wobbles a little bit. This wobbling comes, in part, from how mass is distributed across the planet. Nuclear physics researchers have now observed this same type of wobbling in Au187-a gold isotope that lives for just eight minutes.  >>

Gold's wobbly nucleus: What the short-lived Au187 isotope teaches us about fundamental science research. University of North Carolina at Chapel Hill. Feb 12, 2020.

https://phys.org/news/2020-02-gold-nucleus-short-lived-au187-isotope.html

<< This is the first experimental evidence for longitudinal wobbling bands where the expected signature partner band has also been identified, and establishes this exotic collective mode as a general phenomenon over the nuclear chart. >>

N. Sensharma, U. Garg, et al.  Longitudinal Wobbling Motion in 
187Au. Phys. Rev. Lett. 124, 052501 Feb 5, 2020

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.052501

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