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Nature 456, 449-450 (27 November 2008) | doi:10.1038/456449a; Published online 26 November 2008
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Particle physics: Mass by numbers
Frank Wilczek1
Abstract
A highly precise calculation of the masses of strongly interacting particles, based on fundamental theory, is testament to the age-old verity that physical reality embodies simple mathematical laws.
In a milestone paper, Dürr et al.1 report a first-principles calculation of the masses of strongly interacting particles (hadrons, such as the proton), starting from the basic equations for their constituent particles (quarks and gluons), and including carefully documented estimates of all sources of error. Their results, published in Science, highlight a remarkable correspondence between the ideal mathematics of symmetry and the observed reality of the physical world.
- Frank Wilczek is in the Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142, USA.
Email: wilczek@mit.edu
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