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Light Scalar Mesons in the QCD Sum Rule by Chen, Hua-Xing; Hosaka, Atsushi; Zhu, Shi-Lin is a scholarly article available to read on EtoBox.

What is Light Scalar Mesons in the QCD Sum Rule about?

We study the light scalar mesons in the QCD sum rule. We find that there are five independent scalar tetraquark currents in the local form, and we perform QCD sum rule analysis using both these currents and their combinations. Compared with the sum rules by conventional \bar{q} q currents, our result supports a tetraquark structure for low-lying scalar mesons.

Author

Chen, Hua-Xing; Hosaka, Atsushi; Zhu, Shi-Lin

Published

2007

Language

EN