Possible JPC = 0+- exotic states

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DU Meng-Lin, CHEN Wei, CHEN Xiao-Lin and ZHU Shi-Lin. Possible JPC = 0+- exotic states[J]. Chinese Physics C, 2013, 37(3): 033104. doi: 10.1088/1674-1137/37/3/033104
DU Meng-Lin, CHEN Wei, CHEN Xiao-Lin and ZHU Shi-Lin. Possible JPC = 0+- exotic states[J]. Chinese Physics C, 2013, 37(3): 033104.  doi: 10.1088/1674-1137/37/3/033104 shu
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Received: 2012-05-21
Revised: 2012-05-30
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Possible JPC = 0+- exotic states

Abstract: We study possible exotic JPC = 0+- states using 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 bottomonium-like states. There is no working region for the light tetraquark currents, which implies that the light 0+- state may not exist below 2 GeV.

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