Analysis of X(1576) as a Tetraquark State with the QCD Sum Rules

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Published under licence by IOP Publishing Ltd
, , Citation Wang Zhi-Gang and Wan Shao-Long 2006 Chinese Phys. Lett. 23 3208 DOI 10.1088/0256-307X/23/12/024

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1 Department of Physics, North China Electric Power University, Baoding 071003

2 Department of Modern Physics, University of Science and Technology of China, Hefei 230026

Dates

  1. Received 27 September 2006
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0256-307X/23/12/3208

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).

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