Analysis of the X(1576) as a tetraquark state with the QCD sum rules

Details Analysis of the X(1576) as a tetraquark state with the QCD sum rules Analysis of the X(1576) as a tetraquark state with the QCD sum rules

2006-08-23

arxiv.org/abs/hep-ph/0608263v2

Chin.Phys.Lett. 23 (2006) 3208-3210

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure, second version, typos corrected

Scientific paper

10.1088/0256-307X/23/12/024

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 $m_X=(1.66\pm 0.14) GeV$ is consistent with the experimental data, there may be some tetraquark component in the vector meson X(1576).

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