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Exotic Charmonium and Bottomonium-like Resonances

F. S. Navarra M. Nielsen J.-M. Richard 1
1 Théorie
IP2I Lyon - Institut de Physique des 2 Infinis de Lyon
Abstract : Many new states in the charmonium and bottomonium mass region were recently discovered by the BaBar, Belle and CDF Collaborations. We use the QCD Sum Rule approach to study the possible structure of some of these states. In particular we identify the recently observed bottomonium-like resonance $Z_b^+(10610)$ with the first excitation of the tetraquark $X_b(1^{++})$, the analogue of the X(3872) state in the charm sector.
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http://hal.in2p3.fr/in2p3-00747527
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Submitted on : Wednesday, October 31, 2012 - 2:54:39 PM
Last modification on : Monday, June 28, 2021 - 3:56:02 PM

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F. S. Navarra, M. Nielsen, J.-M. Richard. Exotic Charmonium and Bottomonium-like Resonances. Journal of Physics: Conference Series, IOP Publishing, 2011, 348, pp.012007. ⟨10.1088/1742-6596/348/1/012007⟩. ⟨in2p3-00747527⟩

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