Lagrangians of Strong, Weak and Electromagnetic Interactions
Hachons can be considered as consisting of quarks. Each quark is characterized by color—yellow, blue or red—and flavor. At present six flavors are known, and are commonly called up (u), down (d), strange (s), charmed (c), bottom (b) and top (t). Quarks are described by a multicomponent bispinor field ψ a i , where the superscript denotes the color (and therefore takes three values) and the subscript the flavor (six values).
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