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  • Inclusive Production of the...
    Alkhazov, G.; Askew, A.; Bagby, L.; Baldin, B.; Banerjee, S.; Barberis, E.; Bazterra, V.; Bertram, I.; Brandt, A.; Brandt, O.; Brock, R.; Bunichev, V.; Casey, B. C. K.; Cousinou, M. -C; Cutts, D.; Denisov, S. P.; DeVaughan, K.; Diesburg, M.; Dominguez, A.; Duperrin, A.; Ellison, J.; Ferbel, T.; Filthaut, F.; Fisher, W.; Fortner, M.; Fox, H.; Greder, S.; Grivaz, J. -F; Gruenewald, M. W.; Han, L.; Harder, K.; Hauptman, J. M.; Head, T.; Hebbeker, T.; Hegab, H.; Heinson, A. P.; Heredia-De La Cruz, I.; Herner, K.; Hoeneisen, B.; Hogan, J.; Hynek, V.; Ito, A. S.; Jayasinghe, A.; Jeong, M. S.; Jonckheere, A.; Jonsson, P.; Joshi, J.; Jung, A. W.; Kehoe, R.; Khanov, A.; Kharzheev, Y. N.; Kiselevich, I.; Kuzmin, V. A.; Lee, H. S.; Li, H.; Li, Q. Z.; Linnemann, J.; Liu, H.; Liu, Y.; Lobodenko, A.; de Sa, R. Lopes; Lyon, A. L.; Mansour, J.; Martinez-Ortega, J.; Neal, H. A.; Nguyen, H. T.; Orduna, J.; Osman, N.; Pal, A.; Park, S. K.; Parua, N.; Perfilov, M.; Prokopenko, N.; Ratoff, P. N.; Royon, C.; Ruchti, R.; Sajot, G.; Savitskyi, M.; Schamberger, R. D.; Scheglov, Y.; Schellman, H.; Schwanenberger, C.; Sekaric, J.; Simak, V.; Snow, J.; Snyder, S.; Strauss, M.; Suter, L.; Tokmenin, V. V.; Tuchming, B.; Tully, C.; Uvarov, L.; Varnes, E. W.; Vasilyev, I. A.; Wahl, H. D.; Welty-Rieger, L.; Wilson, G. W.; Wyatt, T. R.; Ye, Z.; Zhou, B.

    Physical review letters, 12/2015, Letnik: 115, Številka: 23
    Journal Article

    We present a study of the inclusive production of the X(4140) state with the decay to the J/psi phi final state in hadronic collisions. Based on 10.4 fb(-1) of p (p) over bar collision data collected by the D0 experiment at the Fermilab Tevatron collider, we report the first evidence for the prompt production of an X(4140) state and find the fraction of X(4140) events originating from b hadrons to be f(b) = 0.39 +/- 0.07 (stat) +/- 0.10 (syst). The ratio of the nonprompt X(4140) production rate to the B-s(0) yield in the same channel is R = 0.19 +/- 0.05 (stat) +/- 0.07 (syst). The values of the mass M = 4152.5 +/- 1.7 (stat)(-5.4)(+/- 6.2)(syst) MeV and width Gamma = 16.3 +/- 5.6 (stat) +/- 11.4 (syst) MeV are consistent with previous measurements.