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1.	Abazov, M, et al. (author) Combination of t(t)over-bar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons 2009 In: Physical Review D. - 1550-7998 .- 1550-2368. ; 80, s. 071102- Journal article (peer-reviewed)abstract We combine measurements of the top quark pair production cross section in p (p) over bar collisions in the l + jets, ll, and tau l final states ( where l is an electron or muon) at a center of mass energy of root s = 1.96 TeV in 1 fb(-1) of data collected with the D0 detector. For a top quark mass of 170 GeV/c(2), we obtain sigma(t (t) over bar) = 8.18(-0.87)(+0.98) pb in agreement with the theoretical prediction. Based on predictions from higher order quantum chromodynamics, we extract a mass for the top quark from the combined t (t) over bar cross section, consistent with the world average of the top quark mass. In addition, the ratios of t (t) over bar cross sections in different final states are used to set upper limits on the branching fractions B(t -> H(+)b -> tau(+) vb) and B(t -> H(+)b -> c (s) over barb) as a function of the charged Higgs boson mass.

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Type of publication: journal article (1)

Type of content: peer-reviewed (1)

Author/Editor: Abbott, B. (1); Strandberg, Jonas (1); Andeen, T. (1); Aoki, M. (1); Begel, M. (1); Belanger-Champagne, ... (1); show more...; Borissov, G. (1); Brandt, A. (1); Brock, R. (1); Brooijmans, G. (1); Burdin, S. (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); Duflot, L. (1); Enari, Y. (1); Escalier, M. (1); Evans, H. (1); Facini, G. (1); Fiedler, F. (1); Filthaut, F. (1); Fox, H. (1); Gillberg, 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); Lokajicek, M. (1); Martin, B. (1); Meyer, J. (1); show less...

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

Language: English (1)

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

Year: 2009 (1)

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