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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Back, J. J.; Craik, Daniel; Dossett, D.; Gershon, T. J.; Harrison, P. F.; Kreps, Michal; Latham, Thomas; Pilar, T.; Poluektov, Anton; Reid, Matthew M.; Silva Coutinho, R.; Whitehead, M. (Mark); Williams, M. P.; HASH(0x55a2e8a1d598) (2012)
Publisher: Elsevier Science BV
Languages: English
Types: Article
Subjects: QC

Classified by OpenAIRE into

arxiv: High Energy Physics::Experiment, High Energy Physics::Phenomenology
Heavy quark production in 7 TeV centre-of-mass energy pp collisions at the LHC is not necessarily flavour symmetric. The production asymmetry, AP, between and mesons is studied using the ϕπ± decay mode in a data sample of 1.0 fb−1 collected with the LHCb detector. The difference between π+ and π− detection efficiencies is determined using the ratios of fully reconstructed to partially reconstructed D⁎± decays. The overall production asymmetry in the rapidity region 2.0 to 4.5 with transverse momentum larger than 2 GeV is measured to be AP=(−0.33±0.22±0.10)%. This result can constrain models of heavy flavour production.

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