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Title

Measurement of σ(pp̅ →Z)·B(Z→ττ) in pp̅ collisions at √s=1.96  TeV

AuthorsAbulencia, A.; Rodrigo, Teresa CSIC ORCID ; Cabrera, Susana CSIC ORCID; Chuang, S. H. CSIC; Fernández Menéndez, Javier CSIC ORCID; Ruiz Jimeno, Alberto ; Gómez, G. CSIC ORCID ; Cuenca Almenar, Cristóbal CSIC; Cuevas, Javier CSIC ORCID; Palencia, Enrique CSIC ORCID; Piedra, Jonatan CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar, Rocío CSIC ORCID
KeywordsYan K-factor
Drell-yan process
Parton distributions
Cross-sections
Collider
Boson
Issue Date18-May-2007
PublisherAmerican Physical Society
CitationPhysical Review D 75(9): 092004 (2007)
AbstractWe present a measurement of the inclusive production cross section for Z bosons decaying to tau leptons in p (p) over bar collisions at root s=1.96 TeV. We use a channel with one hadronically-decaying and one electronically-decaying tau. This measurement is based on 350 pb(-1) of CDF Run II data. Using a sample of 504 opposite sign e tau events with a total expected background of 190 events, we obtain sigma(p (p) over bar -> 4Z)center dot B(Z ->tau tau)=264 +/- 23(stat)+/- 14(syst)+/- 15(lumi) pb, in agreement with the next-to-next-to-leading order QCD prediction. This is the first CDF cross section measurement using hadronically-decaying taus in Run II.
Description26 pages, 15 figures.-- PACS nrs.: 13.38.Dg; 13.85.Qk.-- CDF Collaboration: et al.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.75.092004
URIhttp://hdl.handle.net/10261/9892
DOI10.1103/PhysRevD.75.092004
ISSN1550-7998
Appears in Collections:(IFIC) Artículos
(IFCA) Artículos

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