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charm quark

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charm quark
n. Abbr. c
A quark with a charge of + 2/3 , a mass about 2,900 times that of the electron, and a charm of +1. See Table at subatomic particle.
charm quark
A quark with a charge of + 2/3 and a charm of +1. Its mass is greater than that of the electron and greater than that of the up quark, down quark, and strange quark, but less than that of the bottom quark and top quark. Also called charmed quark. See Table at subatomic particle.
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Noun1.charm quark - a quark with an electric charge of +2/3 and a mass 2900 times that of an electron and a charm of +1
quark - (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3; "quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally"
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Strange and charm quarks constitute the second generation, while the top and bottom varieties make up the third.
Pas de deux for a three-scoop particle by Science News
c] meson contains a charm quark and a bottom antiquark.
Quantum bull's-eye: particle-mass prediction hits the mark by Weiss, P. / Science News
At that time, the experimenters had been bombarding thin films of copper or diamond with a beam of particles known as sigmas to create particles containing charm quarks (SN: 7/6/02, p.
Misbehavin' meson: perplexing particle flouts the rules by Weiss, P. / Science News
 
 
 
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