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  • Production of associated Y ...
    Ali, S.; Appleby, R. B.; Aquines Gutierrez, O.; Baalouch, M.; Bachmann, S.; Back, J. J.; Batozskaya, V.; Bencivenni, G.; Benton, J.; Bertolin, A.; Bifani, S.; Billoir, P.; Bocci, V.; Brook, N. H.; Bursche, A.; Carvalho Akiba, K.; Charles, M.; Cid Vidal, X.; Cliff, H. V.; Closier, J.; Collazuol, G.; Cook, A.; Coombes, M.; Cruz Torres, M.; Dean, C.-T.; Dziurda, A.; Egede, U.; El Rifai, I.; Fontanelli, F.; Gallorini, S.; Gandini, P.; Garrido, L.; Gauld, R.; Gavardi, L.; Gerick, D.; Gershon, T.; Ghez, Ph; Gligorov, V. V.; Gomes, A.; Gotti, C.; Graverini, E.; Greening, E.; Gushchin, E.; Hamilton, B.; Harnew, N.; He, J.; Heß, M.; Hicheur, A.; Humair, T.; Hynds, D.; Khurewathanakul, C.; Kozeiha, M.; Kreplin, K.; Kreps, M.; Kruse, F.; Lambert, D.; Lanfranchi, G.; Liles, M.; Luppi, E.; Lupton, O.; Manca, G.; Mazurov, A.; McCarthy, J.; McNab, A.; Meadows, B.; Michielin, E; Molina Rodriguez, J.; Müller, K.; Nikodem, T.; Oblakowska-Mucha, A.; Otalora Goicochea, J. M.; Owen, P.; Oyanguren, A.; Pappenheimer, C.; Patrignani, C.; Perazzini, S.; Pritchard, A.; Rama, M.; Sanmartin Sedes, B.; Schwemmer, R.; Seyfert, P.; Shcheglov, Y.; Shears, T.; Shekhtman, L.; Siddi, B. G.; Sokoloff, M. D.; Spradlin, P.; Stagni, F.; Stoica, S.; Straumann, U.; Swientek, S.; Szumlak, T.; van Tilburg, J.; Tran, M. T.; Valenti, G.; Velthuis, J. J.; Vollhardt, A.; Wilkinson, G.; Williams, T.; Yushchenko, O.

    The journal of high energy physics, 11/7, Volume: 2016, Issue: 7
    Journal Article

    A bstract Associated production of bottomonia and open charm hadrons in pp collisions at s = 7 and 8 TeV is observed using data corresponding to an integrated luminosity of 3 fb −1 accumulated with the LHCb detector. The observation of five combinations, Y(1S)D 0 , Y(2S)D 0 , Y(1S)D + , Y(2S)D + and Y(1S)D s + , is reported. Production crosssections are measured for Y(1S)D 0 and Y(1S)D + pairs in the forward region. The measured cross-sections and the differential distributions indicate the dominance of double parton scattering as the main production mechanism.