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1.	Abazov, V. M., et al. (author) Measurement of sigma(p(p)over-bar -> Z plus X)Br(Z -> tau(+)tau(-)) at root s=1.96 TeV 2009 In: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 670:4-5, s. 292-299 Journal article (peer-reviewed)abstract We present a measurement of the cross section for Z boson production times the branching fraction to tau lepton pairs sigma(p (p) over bar -> Z + X)Br(Z -> tau(+)tau(-)) in p (p) over bar collisions at root s = 1.96 TeV. The measurement is performed in the channel in which one tau lepton decays into a muon and neutrinos. and the other tau lepton decays hadronically or into an electron and neutrinos. The data sample corresponds to an integrated luminosity of 1.0 fb(-1) collected with the DO detector at the Fermilab Tevatron Collider. The sample contains 1511 candidate events with an estimated 20% background from jets or muons misidentified as tau leptons. We obtain sigma . Br = 240 +/- 8 (star) +/- 12 (sys) +/- 15 (lum) pb, which is consistent with the standard model prediction.

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Type of publication: journal article (1)

Type of content: peer-reviewed (1)

Author/Editor: Abbott, B. (1); Strandberg, Jonas (1); Ancu, L. S. (1); Andeen, T. (1); Aoki, M. (1); Begel, M. (1); show more...; Belanger-Champagne, ... (1); Borissov, G. (1); Brandt, A. (1); Brock, R. (1); Brooijmans, G. (1); Burdin, S. (1); Butler, J. M. (1); Calfayan, P. (1); Calvet, S. (1); Chakraborty, D. (1); Cheu, E. (1); Cooke, M. (1); Crepe-Renaudin, S. (1); De, K. (1); Deliot, F. (1); Denisov, S. P. (1); Duflot, L. (1); Enari, Y. (1); Evans, H. (1); Fiedler, F. (1); Filthaut, F. (1); Fox, H. (1); Garcia, C. (1); Gillberg, D. (1); Greenwood, Z. D. (1); Grohsjean, A. (1); Guo, J. (1); Gutierrez, P. (1); Haas, A. (1); Haefner, P. (1); Han, L. (1); Hensel, C. (1); Hohlfeld, M. (1); Hubacek, Z. (1); Jakobs, K. (1); Kaushik, V. (1); Kehoe, R. (1); Khanov, A. (1); Kuhl, T. (1); Kupco, A. (1); Kvita, J. (1); Lammers, S. (1); Li, L. (1); Liu, Y. (1); show less...

University: Royal Institute of Technology (1); Uppsala University (1)

Language: English (1)

Research subject (UKÄ/SCB): Natural sciences (1)

Year: 2009 (1)

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