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News and Views
Nature 436, 186-187 (14 July 2005) | doi:10.1038/436186a; Published online 13 July 2005
Particle physics: Weighty questions
Ian Shipsey1
Abstract
In an unprecedented feat of computation, particle theorists made the most precise prediction yet of the mass of the 'charm–bottom' particle. Days later, experimentalists dramatically confirmed that prediction.
The lofty endeavour of particle physicists — to understand the birth, evolution and ultimate fate of the Universe by studying its fundamental particles — has just received a significant boost. The fiendishly difficult equations of the strong nuclear force have yielded to a 30-year effort to allow the first precise prediction of a composite particle's mass1, a prediction promptly confirmed by experiment2.
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