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Title

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

AuthorsCDF Collaboration; Cabrera, Susana CSIC ORCID; Cuenca Almenar, Cristóbal CSIC; Álvarez González, B.; Casal, Bruno CSIC; Cuevas, Javier CSIC ORCID; Gómez, G. CSIC ORCID ; Rodrigo, Teresa CSIC ORCID ; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar, Rocío CSIC ORCID; Aaltonen, T.
Issue Date18-May-2009
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 79 (9): 092003 (2009)
AbstractWe report a measurement of the production cross section for b hadrons in p (p) over bar collisions at root s = 1.96 TeV. Using a data sample derived from an integrated luminosity of 83 pb(-1) collected with the upgraded Collider Detector (CDF II) at the Fermilab Tevatron, we analyze b hadrons, H-b, partially reconstructed in the semileptonic decay mode H-b -> mu(-DX)-X-0. Our measurement of the inclusive production cross section for b hadrons with transverse momentum p(T) > 9 GeV/c and rapidity vertical bar y vertical bar < 0.6 is sigma 1.30 mu b +/- 0.05 mu b(stat) +/- 0.14 mu b(syst) +/- 0.07 mu b(B), where the uncertainties are statistical, systematic, and from branching fractions, respectively. The differential cross sections d sigma/dp(T) are found to be in good agreement with recent measurements of the Hb cross section and well described by fixed-order next-to-leading logarithm predictions.
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevD.79.092003
URIhttp://hdl.handle.net/10261/22338
DOI10.1103/PhysRevD.79.092003
ISSN1550-7998
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