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Friday
Jul132012

Charm Quark

"The charm quark or c quark (from its symbol, c) is the third most massive of all quarks, a type of elementary particle. Charm quarks are found in hadrons, which are subatomic particles made of quarks. Example of hadrons containing charm quarks include the J/ψ meson (J/ψ), D mesons (D),charmed Sigma baryons (Σc), and other charmed particles."

"It, along with the strange quark is part of the second generation of matter, and has an electric charge of +23 e and a bare mass of1.29+0.05
−0.11 GeV/c2.[1] Like all quarks, the charm quark is an elementary fermion with spin-12, and experiences all four fundamental interactionsgravitationelectromagnetismweak interactions, and strong interactions. The antiparticle of the charm quark is the charm antiquark (sometimes called anticharm quark or simply anticharm), which differs from it only in that some of its properties have equal magnitude but opposite sign.

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