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    • Search for the X_b and Other Hidden-Beauty States in the π⁺π⁻ ϒ(1s) Channel at ATLAS 

      Aad, G.; Abbott, B.; Abdallah, J.; Abdel Khalek, S.; Abdinov, O.; Aben, R.; Abi, B.; Izen, Joseph M.; Leyton, Michael; Lou, Xinchou; Namasivayam, Harisankar; Reeves, Kendall; ATLAS Collaboration (Elsevier, 2014-11-26)
      This Letter presents a search for a hidden-beauty counterpart of the X(3872) in the mass ranges of 10.05-10.31 GeV and 10.40-11.00 GeV, in the channel X(b) → π⁺π⁻ϒ(1S)(→ μ⁺μ⁻), using 16.2 fb⁻¹ of √s = 8 TeV pp collision ...