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isospin multiplet |
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isospin multiplet [′ī·sə‚spin ′məl·tə·plət] (particle physics) A collection of elementary particles which have approximately the same mass and the same quantum numbers except for charge, but have a sequence of charge values, (Y/2) -I,(Y/2) -I+ 1, …, (Y/2) +Itimes the proton charge, whereYis an integer known as the hypercharge, andIis an integer or half-integer known as the isospin; examples are the pions (Y= 0,I= 1) and the nucleons (Y= 1,I= 1/2). Also known as charge multiplet; particle multiplet. 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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