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Reference heavy flavour cross sections in pp collisions at \surd s = 2.76 TeV, using a pQCD-driven \surd s-scaling of ALICE measurements at \surd s = 7 TeV

Abstract : We provide a reference in proton-proton collisions at the energy of the Pb-Pb 2010 run at the LHC, sqrt(s) = 2.76 TeV, for the pt-differential production cross section of D0, D+, and D*+ mesons in |y| < 0.5, of electrons from heavy flavour decays in |y| < 0.9, and of muons from heavy flavour decays in 2.5 < y < 4. The reference is obtained by applying a pQCD-driven scaling (based on the FONLL calculation) to ALICE preliminary data at sqrt(s) = 7 TeV. In order to validate the procedure, we scale the D meson cross section to sqrt(s) = 1.96 TeV and compare to the corresponding measurements from the CDF experiment.
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http://hal.in2p3.fr/in2p3-00609656
Contributor : Jeanine Pellet <>
Submitted on : Tuesday, July 19, 2011 - 4:22:15 PM
Last modification on : Wednesday, September 16, 2020 - 4:07:27 PM

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  • HAL Id : in2p3-00609656, version 1
  • ARXIV : 1107.3243

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R. Averbeck, N. Bastid, Z. Conesa del Valle, P. Crochet, A. Dainese, et al.. Reference heavy flavour cross sections in pp collisions at \surd s = 2.76 TeV, using a pQCD-driven \surd s-scaling of ALICE measurements at \surd s = 7 TeV. 2011. ⟨in2p3-00609656⟩

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