charmed quark


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charmed quark

charmed′ quark′


n.
the quark having an electric charge ? times the electron's charge, charm quantum number of 1, and more mass than the up, down, and strange quarks.
[1975–80]
References in periodicals archive ?
Two teams find a new subatomic particle, now known as the J/psi, providing evidence for the existence of the charmed quark (11/23/74, p.