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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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? Mentioned in ? References in periodicals archive
 
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
Combing data from millions of collisions that occurred between 1996 and 2000, the H1 researchers found evidence for about 50 appearances of a pentaquark containing a charm quark, says team spokesman Max Klein.
Signs of new five-quark particle by Weiss, Peter Ulrich / Science News
Each of the newfound particles, designated respectively as Ds(2317) and Ds (2463), is a so-called Ds meson, which contains a charm quark and an antimatter quark called antistrange.
New particles pose puzzle. (Physics) by Science News
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