Measurement of the b-hadron production cross section using decays to D*+μ-X final states in pp collisions at √s = 7 TeV with the ATLAS detector

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Abstract

The b-hadron production cross section is measured with the ATLAS detector in pp collisions at s=7TeV, using 3.3pb-1of integrated luminosity, collected during the 2010 LHC run. The b-hadrons are selected by partially reconstructing Dz.ast;+μ-X final states. Differential cross sections are measured as functions of the transverse momentum and pseudorapidity. The measured production cross section for a b-hadron with pT>9GeV and |n|<2.5 is 32.7±0.8(stat.)-6.8+4.5(syst.)μb, higher than the next-to-leading-order QCD predictions but consistent within the experimental and theoretical uncertainties. © 2012.

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Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdelalim, A. A., Abdinov, O., … Zwalinski, L. (2012). Measurement of the b-hadron production cross section using decays to D*+μ-X final states in pp collisions at √s = 7 TeV with the ATLAS detector. Nuclear Physics B, 864(3), 341–381. https://doi.org/10.1016/j.nuclphysb.2012.07.009

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