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arxiv: 1203.5199 · v2 · pith:MZMSCL5Snew · submitted 2012-03-23 · ✦ hep-ph

Possible J^(PC) = 0⁺⁻ Exotic State

classification ✦ hep-ph
keywords statescurrentsexoticlightpossiblestatetetraquarkapproach
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We study the possible exotic states with $J^{PC} = 0^{+-}$ using the tetraquark interpolating currents with the QCD sum rule approach. The extracted masses are around 4.85 GeV for the charmonium-like states and 11.25 GeV for the bottomomium-like states. There is no working region for the light tetraquark currents, which implies the light $0^{+-}$ state may not exist below 2 GeV.

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