Qq Q q' States in Chiral SU(3) Quark Model
Abstract
In this work, we study the masses of Qq Q q' states with JPC=0++, 1++, 1+- and 2++ in the chiral SU(3) quark model, where Q is the heavy quark (c or b) and q (q') is the light quark (u, d or s). According to our numerical results, it is improbable to make the interpretation of [cn c n]1++ and [cn c n]2++ (n=u, d) states as X(3872) and Y(3940), respectively. However, it is interesting to find the tetraquarks in the bq b q' system.
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