- Production of associated Y and open charm hadrons in pp collisions at root s=7 and 8 TeV via double parton scattering
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Production of associated Y and open charm hadrons in pp collisions at root s=7 and 8 TeV via double parton scattering
- Published in: Journal of High Energy Physics (ISSN: 1029-8479), vol. 07, p. 052
- New York: Springer, 2016
Associated production of bottomonia and open charm hadrons in pp collisions at root 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.