Constraint on axial-vector meson mixing angle from nonrelativistic constituent quark model
L. Burakovsky, T. Goldman
Abstract
In a nonrelativistic constituent quark model we find a constraint on the mixing angle of the strange axial-vector mesons, 35o< θK< 55o, determined solely by two parameters: the mass difference of the a1 and b1 mesons and the ratio of the constituent quark masses.
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