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The strange quark is a second-generation quark with a charge of -(1/3)e and a strangeness of −1. It is the third lightest quark after the up and down quarks, with a mass of somewhere between 80 and 130 MeV. The first strange particle (particle containing a strange valence quark) was discovered in 1947, with the identification of the kaon, but the strange quark itself was not identified until Gell-Mann and Zweig developed the quark model in 1964.
Additional recommended knowledge
Hadrons containing strange valence quarks
Hadrons containing strange valence quarks include the following:
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Strange_quark". A list of authors is available in Wikipedia.|