$Qq\bar Q\bar q'$ States in Chiral SU(3) Quark Model

Details $Qq\bar Q\bar q'$ States in Chiral SU(3) Quark Model $Qq\bar Q\bar q'$ States in Chiral SU(3) Quark Model

2007-05-17

arxiv.org/abs/0705.2470v3

Chin.Phys.Lett.24:2533-2536,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1088/0256-307X/24/9/019

In this work, we study the masses of $Qq\bar Q\bar q'$ states with J^{PC}=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 $[cn\bar c\bar n]_{1^{++}}$ and $[cn\bar c\bar n]_{2^{++}}$ (n=u, d) states as X(3872) and Y(3940), respectively. However, it is interesting to find the tetraquarks in the $bq\bar b\bar q'$ system.

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