Analysis of the X(1576) as a tetraquark state with the QCD sum rules
Abstract
In this letter, we take the point of view that the X(1576) be 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 rules approach. The numerical value of the mass mX=(1.66 0.14) GeV is consistent with the experimental data, there may be some tetraquark component in the vector meson X(1576).
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