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| Title: | Measurement of σ(pp̅ →Z)·B(Z→ττ) in pp̅ collisions at √s=1.96 TeV |
Authors: | Abulencia, 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 | Keywords: | Yan K-factor Drell-yan process Parton distributions Cross-sections Collider Boson |
Issue Date: | 18-May-2007 | Publisher: | American Physical Society | Citation: | Physical Review D 75(9): 092004 (2007) | Abstract: | We 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. | Description: | 26 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 | URI: | http://hdl.handle.net/10261/9892 | DOI: | 10.1103/PhysRevD.75.092004 | ISSN: | 1550-7998 |
| Appears in Collections: | (IFIC) Artículos (IFCA) Artículos |
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| Abulencia_et_al_PRD_75_092004_2007.pdf | 802,02 kB | Adobe PDF |  View/Open |
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