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Measurement of the b-hadron production cross section using decays to mu(-DX)-X-0 final states in p(p)over-bar collisions at root s=1.96 TeV

Author(s)
Choudalakis, Georgios; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Henderson, C.; Knuteson, Bruce O.; Paus, Christoph M. E.; Xie, Si; Bauer, Gerry P; Makhoul, Khaldoun; ... Show more Show less
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Abstract
We report a measurement of the production cross section for b hadrons in pp-bar collisions at √s=1.96  TeV. Using a data sample derived from an integrated luminosity of 83  pb[superscript -1] collected with the upgraded Collider Detector (CDF II) at the Fermilab Tevatron, we analyze b hadrons, H[subscript b], partially reconstructed in the semileptonic decay mode H[subscript b]→μ-D[superscript 0] X. Our measurement of the inclusive production cross section for b hadrons with transverse momentum pT>9  GeV/c and rapidity |y|<0.6 is σ=1.30  μb±0.05  μb(stat)±0.14  μb(syst)±0.07  μb(B), where the uncertainties are statistical, systematic, and from branching fractions, respectively. The differential cross sections dσ/dp[subscript T] are found to be in good agreement with recent measurements of the H[subscript b] cross section and well described by fixed-order next-to-leading logarithm predictions.
Date issued
2009-05
URI
http://hdl.handle.net/1721.1/50762
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aaltonen, T. et al. “Measurement of the b-hadron production cross section using decays to mu-DX final states in pp-bar collisions at s=1.96 TeV.” Physical Review D 79.9 (2009): 092003. (C)2010 The American Physical Society.
Version: Final published version

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