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arXiv · 1311.4992

Chiral Structure of Vector and Axial-Vector Tetraquark Currents

Hua-Xing Chen
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Abstract

We investigate the chiral structure of local vector and axial-vector tetraquark currents, and study their chiral transformation properties. We consider the charge-conjugation parity and classify all the isovector vector and axial-vector local tetraquark currents of quantum numbers I(G)J(PC)=1(-)1(-+), I(G)J(PC)=1(+)1(--), I(G)J(PC)=1(-)1(++) and I(G)J(PC)=1(+)1(+-). We find that there is a one to one correspondence among them. Using these currents, we perform QCD sum rule analyses. Our results suggest that there is a missing b1 state having I(G)J(PC)=1(+)1(+-) and a mass around 1.47-1.66 GeV.

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Hua-Xing Chen. 2013-11-20. Chiral Structure of Vector and Axial-Vector Tetraquark Currents. https://doi.org/10.1140/epjc%2Fs10052-013-2628-y

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