Home > Research > Publications & Outputs > Measurement of the top quark-pair production cr...

Text available via DOI:

View graph of relations

Measurement of the top quark-pair production cross section with ATLAS in pp collisions at root s=7 TeV

Research output: Contribution to journalJournal article

Published

Standard

Measurement of the top quark-pair production cross section with ATLAS in pp collisions at root s=7 TeV. / The ATLAS collaboration.

In: European Physical Journal C: Particles and Fields, Vol. 71, No. 3, 1577, 2011.

Research output: Contribution to journalJournal article

Harvard

The ATLAS collaboration 2011, 'Measurement of the top quark-pair production cross section with ATLAS in pp collisions at root s=7 TeV', European Physical Journal C: Particles and Fields, vol. 71, no. 3, 1577. https://doi.org/10.1140/epjc/s10052-011-1577-6

APA

The ATLAS collaboration (2011). Measurement of the top quark-pair production cross section with ATLAS in pp collisions at root s=7 TeV. European Physical Journal C: Particles and Fields, 71(3), [1577]. https://doi.org/10.1140/epjc/s10052-011-1577-6

Vancouver

Author

The ATLAS collaboration. / Measurement of the top quark-pair production cross section with ATLAS in pp collisions at root s=7 TeV. In: European Physical Journal C: Particles and Fields. 2011 ; Vol. 71, No. 3.

Bibtex

@article{5004945e166e49b9af4aaeca1d07de34,
title = "Measurement of the top quark-pair production cross section with ATLAS in pp collisions at root s=7 TeV",
abstract = "A measurement of the production cross-section for top quark pairs (t (t) over bar) in pp collisions at root s = 7 TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in two different topologies: single lepton (electron e or muon mu) with large missing transverse energy and at least four jets, and dilepton (ee, mu mu or e mu) with large missing transverse energy and at least two jets. In a data sample of 2.9 pb(-1), 37 candidate events are observed in the single-lepton topology and 9 events in the dilepton topology. The corresponding expected backgrounds from non-t (t) over bar Standard Model processes are estimated using data-driven methods and determined to be 12.2 +/- 3.9 events and 2.5 +/- 0.6 events, respectively. The kinematic properties of the selected events are consistent with SM t (t) over bar production. The inclusive top quark pair production cross-section is measured to be sigma(t (t) over bar) = 145 +/- 31 (stat.)(-27)(+42) (syst.) pb. The measurement agrees with perturbative QCD calculations.",
author = "Adam Barton and Guennadi Borissov and Eva Bouhova-Thacker and Timothy Brodbeck and James Catmore and Sue Cheatham and Alexandre Chilingarov and Ruth Davidson and {de Mora}, Lee and Harald Fox and Robert Henderson and Gareth Hughes and Jones, {Roger William Lewis} and Vakhtang Kartvelishvili and Robin Long and Peter Love and Peter Ratoff and Terence Sloan and Maria Smizanska and James Walder and {The ATLAS collaboration}",
year = "2011",
doi = "10.1140/epjc/s10052-011-1577-6",
language = "English",
volume = "71",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "3",

}

RIS

TY - JOUR

T1 - Measurement of the top quark-pair production cross section with ATLAS in pp collisions at root s=7 TeV

AU - Barton, Adam

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Eva

AU - Brodbeck, Timothy

AU - Catmore, James

AU - Cheatham, Sue

AU - Chilingarov, Alexandre

AU - Davidson, Ruth

AU - de Mora, Lee

AU - Fox, Harald

AU - Henderson, Robert

AU - Hughes, Gareth

AU - Jones, Roger William Lewis

AU - Kartvelishvili, Vakhtang

AU - Long, Robin

AU - Love, Peter

AU - Ratoff, Peter

AU - Sloan, Terence

AU - Smizanska, Maria

AU - Walder, James

AU - The ATLAS collaboration

PY - 2011

Y1 - 2011

N2 - A measurement of the production cross-section for top quark pairs (t (t) over bar) in pp collisions at root s = 7 TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in two different topologies: single lepton (electron e or muon mu) with large missing transverse energy and at least four jets, and dilepton (ee, mu mu or e mu) with large missing transverse energy and at least two jets. In a data sample of 2.9 pb(-1), 37 candidate events are observed in the single-lepton topology and 9 events in the dilepton topology. The corresponding expected backgrounds from non-t (t) over bar Standard Model processes are estimated using data-driven methods and determined to be 12.2 +/- 3.9 events and 2.5 +/- 0.6 events, respectively. The kinematic properties of the selected events are consistent with SM t (t) over bar production. The inclusive top quark pair production cross-section is measured to be sigma(t (t) over bar) = 145 +/- 31 (stat.)(-27)(+42) (syst.) pb. The measurement agrees with perturbative QCD calculations.

AB - A measurement of the production cross-section for top quark pairs (t (t) over bar) in pp collisions at root s = 7 TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in two different topologies: single lepton (electron e or muon mu) with large missing transverse energy and at least four jets, and dilepton (ee, mu mu or e mu) with large missing transverse energy and at least two jets. In a data sample of 2.9 pb(-1), 37 candidate events are observed in the single-lepton topology and 9 events in the dilepton topology. The corresponding expected backgrounds from non-t (t) over bar Standard Model processes are estimated using data-driven methods and determined to be 12.2 +/- 3.9 events and 2.5 +/- 0.6 events, respectively. The kinematic properties of the selected events are consistent with SM t (t) over bar production. The inclusive top quark pair production cross-section is measured to be sigma(t (t) over bar) = 145 +/- 31 (stat.)(-27)(+42) (syst.) pb. The measurement agrees with perturbative QCD calculations.

U2 - 10.1140/epjc/s10052-011-1577-6

DO - 10.1140/epjc/s10052-011-1577-6

M3 - Journal article

VL - 71

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 3

M1 - 1577

ER -