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  • Alves, A A; Appleby, R B; Arrabito, L; Artuso, M; Barlow, R J; Bauer, Th; Belous, K; M -O Bettler; Bjørnstad, P M; Britsch, M; Closier, J; Coco, V; David, P N Y; De Miranda, J M; Deckenhoff, M; Dettori, F; Dickens, J; Dijkstra, H; Easo, S; Egede, U; Estève, L; Fanchini, E; Farinelli, C; Farry, S; Fitzpatrick, C; Forty, R; Gandelman, M; Garofoli, J; Golutvin, A; Gordon, H; Gándara, M Grabalosa; Greening, E; Gregson, S; Haines, S C; Harji, R; Harrison, J; Hartmann, T; J He; Hennessy, K; Henrard, P; Iakovenko, V; Ilten, P; Jansen, F; John, M; Jones, C R; Jost, B; Keaveney, J; Kenyon, I R; Knecht, M; Korolev, M; Kruse, F; Lacarrere, D; Lambert, D; Maev, O; Märki, R; Martellotti, G; Matteuzzi, C; Müller, K; Muster, B; Nandakumar, R; Okhrimenko, O; Pal, K; Palacios, J; Palutan, M; Patel, M; Paterson, S K; Pellegrino, A; Pérez-Calero Yzquierdo, A; Playfer, S; Popovici, B; Powell, A; Qian, W; Redford, S; Rodrigues, F; Ruiz, H; Saitta, B; Sannino, M; Satta, A; Schmelling, M; Sciubba, A; Seco, M; Shekhtman, L; Souza De Paula, B; Stone, S; Szczypka, P; Thomas, E; J van Tilburg; Tobin, M; Ukleja, A; Vieira, D; Volyanskyy, D; Wang, J; Ward, D R; Wiggers, L; Wishahi, J; Witek, M; Wotton, S A; Xie, Y; Zavertyaev, M; Zhang, F

    arXiv.org, 02/2012
    Paper, Journal Article

    A search for the X(4140) state in B+ to J/psi phi K+ decays is performed with 0.37 fb-1 of pp collisions at sqrt(s)=7 TeV collected by the LHCb experiment. No evidence for this state is found, in 2.4 sigma disagreement with a measurement by CDF. An upper limit on its production rate is set, BR(B+ to X(4140) K+) BR(X(4140) to J/psi phi) / BR(B+ to J/psi phi K+) < 0.07 at 90% confidence level.