charm quark


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Related to charm quark: bottom quark, antiquark
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Words related to 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

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Based on its mass (3,872 million electron volts) and the particles it decayed into, X(3872) appeared to consist of a charm quark, an anticharm and at least two other quarks.
c] meson contains a charm quark and a bottom antiquark.
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.
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.
The scientists have often created baryons containing two and even three strange quarks, but no one had ever detected a baryon containing more than one charm quark, at least no one thought so.
The Fermilab discovery fills in the final blank: a meson consisting of a charm quark and an antibottom quark.
They expect to probe the gluon content of the proton by firing high-energy muons at polarized targets and looking for ejected mesons containing the charm quark.
A J/y particle, a meson that consists of a charm quark and its antiparticle counterpart, has such a large mass that it rarely forms in proton-proton collisions, the standard experiment in high-energy physics.
The psi/J particle consists of a charm quark paired with a charm antiquark to form a combination known as charmonium.
Theory says that a beauty quark should decay into a charm quark.