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Combination of ttbar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons

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Combination of ttbar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons. / Collaboration, D0; Abazov, V.; Bertram, Iain et al.
In: Physical Review D, Vol. 80, No. 7, 071102(R) , 19.10.2009.

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@article{13615f4934bb435a9d00b28e2b7708ee,
title = "Combination of ttbar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons",
abstract = "We combine measurements of the top quark pair production cross section in ppbar 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 sqrt(s)=1.96 TeV in 1fb^{-1} of data collected with the D0 detector. For a top quark mass of 170 GeV, we obtain sigma_ttbar=8.18^{+0.98}_{-0.87} pb. In addition, the ratios of ttbar cross sections in different final states are used to set upper limits on the branching fractions B(t -> H^{+}b -> tau nu b) and B(t -> H^{+}b -> c sbar b) as a function of charged Higgs boson mass. Based on predictions from higher order quantum chromodynamics, we extract a mass for the top quark from the combined ttbar cross section.",
author = "D0 Collaboration and V. Abazov and Iain Bertram and Guennadi Borissov and Harald Fox and Mark Williams and Peter Ratoff and Peter Love and Alexander Rakitin and Andre Sopczak",
note = "{\textcopyright} 2009 The American Physical Society 8 pages, 4 figures",
year = "2009",
month = oct,
day = "19",
doi = "10.1103/PhysRevD.80.071102",
language = "English",
volume = "80",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "7",

}

RIS

TY - JOUR

T1 - Combination of ttbar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons

AU - Collaboration, D0

AU - Abazov, V.

AU - Bertram, Iain

AU - Borissov, Guennadi

AU - Fox, Harald

AU - Williams, Mark

AU - Ratoff, Peter

AU - Love, Peter

AU - Rakitin, Alexander

AU - Sopczak, Andre

N1 - © 2009 The American Physical Society 8 pages, 4 figures

PY - 2009/10/19

Y1 - 2009/10/19

N2 - We combine measurements of the top quark pair production cross section in ppbar 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 sqrt(s)=1.96 TeV in 1fb^{-1} of data collected with the D0 detector. For a top quark mass of 170 GeV, we obtain sigma_ttbar=8.18^{+0.98}_{-0.87} pb. In addition, the ratios of ttbar cross sections in different final states are used to set upper limits on the branching fractions B(t -> H^{+}b -> tau nu b) and B(t -> H^{+}b -> c sbar b) as a function of charged Higgs boson mass. Based on predictions from higher order quantum chromodynamics, we extract a mass for the top quark from the combined ttbar cross section.

AB - We combine measurements of the top quark pair production cross section in ppbar 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 sqrt(s)=1.96 TeV in 1fb^{-1} of data collected with the D0 detector. For a top quark mass of 170 GeV, we obtain sigma_ttbar=8.18^{+0.98}_{-0.87} pb. In addition, the ratios of ttbar cross sections in different final states are used to set upper limits on the branching fractions B(t -> H^{+}b -> tau nu b) and B(t -> H^{+}b -> c sbar b) as a function of charged Higgs boson mass. Based on predictions from higher order quantum chromodynamics, we extract a mass for the top quark from the combined ttbar cross section.

U2 - 10.1103/PhysRevD.80.071102

DO - 10.1103/PhysRevD.80.071102

M3 - Journal article

VL - 80

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 7

M1 - 071102(R)

ER -