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A number of normalised differential cross sections are also measured, and compared to predictions from the Pythia8, Herwig++, MadGraph5_aMC@NLO+Pythia8 and Sherpa event generators, providing new constraints on heavy flavour production. See DOI: JHEP 11 (2017) 062 for more details. Events are selected in which a b-hadron is reconstruc- ted in a decay channel containing JPsi -> mumu, and a second b-hadron is reconstructed in a decay channel containing a muon. 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