Chin. Phys. Lett.  2006, Vol. 23 Issue (12): 3208-3210    DOI:
Original Articles |
Analysis of X(1576) as a Tetraquark State with the QCD Sum Rules
WANG Zhi-Gang1;WAN Shao-Long²
¹Department of Physics, North China Electric Power University, Baoding 071003 ²Department of Modern Physics, University of Science and Technology of China, Hefei 230026
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WANG Zhi-Gang, WAN Shao-Long&sup 2006 Chin. Phys. Lett. 23 3208-3210
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Abstract We take the viewpoint that X(1576) is the tetraquark state which consists of a scalar diquark and an anti-scalar-diquark in relative P-wave, and calculate its mass in the framework of the QCD sum rule approach. The numerical value of the mass mx=(1.66±0.14) GeV is consistent with the experimental data. There might be some tetraquark components in the vector meson X(1576).
Keywords: 12. 38. Lg      12. 39. Mk     
Published: 01 December 2006
PACS:  12. 38. Lg  
  12. 39. Mk  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I12/03208
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