UNI-MB - logo
UMNIK - logo
 
E-resources
Peer reviewed
  • Evidence for a B_{s}^{0}π^{±} State
    Adams, M; Adams, T; Alton, A; Augsten, K; Aushev, V; Bagby, L; Baringer, P; Bartlett, J F; Bazterra, V; Begalli, M; Bernardi, G; Bernhard, R; Bertram, I; Bhat, P C; Bloom, K; Brandt, O; Brown, D; Burdin, S; Castilla-Valdez, H; Caughron, S; Chakrabarti, S; Chapon, E; Cutts, D; Das, A; Déliot, F; Denisov, D; Desai, S; DeVaughan, K; Elvira, V D; Evdokimov, A; Filthaut, F; Fisher, W; Fortner, M; Fox, H; Garbincius, P H; Gavrilov, V; Gershtein, Y; Ginther, G; Gogota, O; Grohsjean, A; Grünewald, M W; Harel, A; Hays, J; Hebbeker, T; Heintz, U; Hensel, C; Hesketh, G; Hobbs, J D; Holzbauer, J L; Ito, A S; Jiang, P; Johnson, M; Joshi, J; Karmanov, D; Kohli, J M; Kumar, A; Kupco, A; Kurča, T; Lee, W M; Lei, X; Li, L; Li, Q Z; Linnemann, J; Lipaev, V V; Lobodenko, A; Madar, R; Meyer, A; Orduna, J; Parihar, V; Park, S K; Parua, N; Price, D; Prokopenko, N; Quinn, B; Razumov, I; Rizatdinova, F; Sanders, M P; Savage, G; Sawyer, L; Schamberger, R D; Schellman, H; Schwienhorst, R; Simak, V; Slattery, P; Tsybychev, D; Tully, C; Uvarov, L; Uzunyan, S; van Leeuwen, W M; Vasilyev, I A; Vertogradov, L S; Verzocchi, M; Vokac, P; Wang, M H L S; Watts, G; Weichert, J; Wobisch, M; Xie, Y; Youn, S W; Zhao, T G

    Physical review letters, 2016-Jul-08, 20160708, Volume: 117, Issue: 2
    Journal Article

    We report evidence for a narrow structure, X(5568), in the decay sequence X(5568)→B_{s}^{0}π^{±}, B_{s}^{0}→J/ψϕ, J/ψ→μ^{+}μ^{-}, ϕ→K^{+}K^{-}. This is evidence for the first instance of a hadronic state with valence quarks of four different flavors. The mass and natural width of this state are measured to be m=5567.8±2.9(stat)_{-1.9}^{+0.9}(syst)  MeV/c^{2} and Γ=21.9±6.4(stat)_{-2.5}^{+5.0}(syst)  MeV/c^{2}. If the decay is X(5568)→B_{s}^{*}π^{±}→B_{s}^{0}γπ^{±} with an unseen γ, m(X(5568)) will be shifted up by m(B_{s}^{*})-m(B_{s}^{0})∼49  MeV/c^{2}. This measurement is based on 10.4  fb^{-1} of ppover ¯ collision data at sqrts=1.96  TeV collected by the D0 experiment at the Fermilab Tevatron collider.

Shelf entry