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weak interaction |
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weak interaction [′wēk ‚in·tər′ak·shən] (particle physics) One of the fundamental interactions among elementary particles, responsible for beta decay of nuclei, and for the decay of elementary particles with lifetimes greater than about 10-10second, such as muons,Kmesons, and lambda hyperons; it is several orders of magnitude weaker than the strong and electromagnetic interactions, and fails to conserve strangeness or parity. Also known as beta interaction. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| A theory that would unite all the forces of nature--electromagnetism, gravity, the weak nuclear force, and the strong nuclear force--into a single cohesive expression, or a so-called theory of everything, is the ultimate goal for many modern physicists. The identity of dark matter must fit with scientific understanding of the fundamental forces of nature: electromagnetism, gravity, and the strong and weak nuclear forces, he says. Such high-precision atomic data are necessary for later detecting the tiny influence of the weak nuclear force on the behavior of electrons bound to an atom. |
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