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W boson |
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W boson [′dəb·əl‚yü ‚bō‚sän] (particle physics) An intermediate vector boson with positive or negative electric charge that mediates the charged-current weak interactions. Also known as W particle. 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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| As an example, Turner points out the accepted theoretical claim that elementary particles known as the W boson and the Z boson had no mass when the universe first exploded into being. Instead, researchers must study the details of how a top quark decays into a bottom quark and a W boson to deduce a value for this quantity. Of these, 20,000 involved particles known as W bosons -- one of the types of particles into which the top can decay. |
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