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20002005
most citedFour Quark cn - nbar cbar States in U(12)-Scheme and X(3872)/Y(3940)

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hep-ph2000

Covariant Level-Classification Scheme and Chiral Symmetry

Shin Ishida, Muneyuki Ishida, Tomohito Maeda

Starting from the bi-local Klein-Gordon Equation with spin-independent squared-mass operator, we give a covariant quark representation of general composite meson systems with defin…