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Particles and interactions

Particles and interactions

Has the ‘hyperfine puzzle’ been solved?

02 Mar 2018 Hamish Johnston
Photograph of the Experimental Storage Ring in Darmstadt
Hyperfine experiment: the Experimental Storage Ring in Darmstadt
A huge discrepancy between the observed hyperfine splitting in highly-ionized bismuth-209 atoms and

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Hamish Johnston is an online editor of Physics World
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