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News and Views
Nature 427, 591-592 (12 February 2004) | doi:10.1038/427591a
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Particle physics: Lattice window on strong force
Ian Shipsey1
Abstract
A long-awaited breakthrough has been made in lattice quantum chromodynamics — a means of calculating the effect of the strong force between sub-atomic particles that could, ultimately, unveil new physics.
The fundamental particles called quarks exist in atom-like bound states, such as protons and neutrons, that are held together by the strong force. The heavier varieties of quark, such as the bottom quark, can disintegrate to produce other, lighter particles, and the pattern of the decay rates is constrained, but not determined, in the theory of fundamental particles, the standard model.
- Ian Shipsey is in the Department of Physics, Purdue University, West Lafayette, Indiana 47907, USA.
Email: shipsey@physics.purdue.edu
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