Measurement of the tt ̄Z and tt ̄W production cross sections in multilepton final states using 3.2 fb -1 of pp collisions at √s = 13 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1140/epjc/s10052-016-4574-y

Measurement of the tt ̄Z and tt ̄W production cross sections in multilepton final states using 3.2 fb ^-1 of pp collisions at √s = 13 TeV with the ATLAS detector

ATLAS Collaboration

Université Mohamed Premier
Aix-Marseille Université
Homer L. Dodge Department of Physics and Astronomy
University of Oklahoma
University of Iowa
Azerbaijan Academy of Sciences
Laboratoire de l'Accélérateur Linéaire
University of Amsterdam
University of California at Santa Cruz
Department of Physics and Astronomy
University of Sussex
Raymond and Beverly Sackler School of Physics and Astronomy
Tel Aviv University
Department of Physics
Technion - Israel Institute of Technology
Center for High Energy Physics
University of Oregon
Department of Physics
Stockholm University
Oskar Klein Centre
INFN Gruppo Collegato di Udine
INFN Sezione di Trieste
Abdus Salam International Centre for Theoretical Physics
Department of Physics
King's College London
Faculty of Physics and Applied Computer Science
Agh University of Science and Technology Faculty of Computer Science
Physics Department
Brookhaven National Laboratory
Department of Physics
Northern Illinois University
Fakultät für Physik
Universität München
Rutherford Appleton Laboratory
Oliver Lodge Laboratory
University of Liverpool
Institute of Physics
University of Belgrade
II Physikalisches Institut
Georg-August-Universität Göttingen
Lisboa
Departamento de Fisica Teorica y del Cosmos and CAFPE
University of Granada
Boston University
Joint Institute for Nuclear Research, Dubna
INFN Roma Tor Vergata
Dipartimento di Fisica
University of Rome “Tor Vergata”
Fysiska Institutionen
Lund University
P.N. Lebedev Physical Institute of the Russian Academy of Sciences
INFN Sezione di Bologna
Dipartimento di Fisica e Astronomia
University of Bologna
Department of Physics and Astronomy
University of Victoria
LTHE (UMR 5564 CNRS/IRD/Université de Grenoble)
Instituto de Física La Plata
European Organization for Nuclear Research
Horia Hulubei National Institute of Physics and Nuclear Engineering
Physics Department
National Technical University of Athens
Czech Technical University in Prague
Sezione di Lecce
Dipartimento di Matematica e Fisica
University of Salento
Sezione INFN di Milano
University of Chicago
Nevis Laboratory
Columbia University
School of Physics and Astronomy
University of Birmingham
INFN Sezione di Napoli
Dipartimento di Fisica
University of Naples Federico II
University of Cambridge
Université Savoie Mont Blanc

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62 Citations (Scopus)

Résumé

A measurement of the tt¯ Z and tt¯ W production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton–proton collisions at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015, corresponding to a total integrated luminosity of 3.2 fb^{- 1}. The inclusive cross sections are extracted using likelihood fits to signal and control regions, resulting in σ_t _t¯ _Z= 0.9 ± 0.3 pb and σ_t _t¯ _W= 1.5 ± 0.8 pb, in agreement with the Standard Model predictions.

langue originale	Anglais
Numéro d'article	40
journal	European Physical Journal C
Volume	77
Numéro de publication	1
Les DOIs	https://doi.org/10.1140/epjc/s10052-016-4574-y
état	Publié - 1 janv. 2017
Modification externe	Oui

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10.1140/epjc/s10052-016-4574-y

Contient cette citation

@article{aae37052e7cd4490be470fd2ac06b47f,

title = "Measurement of the tt{\= }Z and tt{\= }W production cross sections in multilepton final states using 3.2 fb -1 of pp collisions at √s = 13 TeV with the ATLAS detector",

abstract = "A measurement of the tt¯ Z and tt¯ W production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton{\textendash}proton collisions at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015, corresponding to a total integrated luminosity of 3.2 fb- 1. The inclusive cross sections are extracted using likelihood fits to signal and control regions, resulting in σt t¯ Z= 0.9 ± 0.3 pb and σt t¯ W= 1.5 ± 0.8 pb, in agreement with the Standard Model predictions.",

author = "\{ATLAS Collaboration\} and M. Aaboud and G. Aad and B. Abbott and J. Abdallah and O. Abdinov and B. Abeloos and R. Aben and AbouZeid, \{O. S.\} and Abraham, \{N. L.\} and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and Acharya, \{B. S.\} and L. Adamczyk and Adams, \{D. L.\} and J. Adelman and S. Adomeit and T. Adye and Affolder, \{A. A.\} and T. Agatonovic-Jovin and J. Agricola and Aguilar-Saavedra, \{J. A.\} and Ahlen, \{S. P.\} and F. Ahmadov and G. Aielli and H. Akerstedt and {\AA}kesson, \{T. P.A.\} and Akimov, \{A. V.\} and Alberghi, \{G. L.\} and J. Albert and S. Albrand and \{Alconada Verzini\}, \{M. J.\} and M. Aleksa and Aleksandrov, \{I. N.\} and C. Alexa and G. Alexander and T. Alexopoulos and M. Alhroob and B. Ali and M. Aliev and G. Alimonti and J. Alison and Alkire, \{S. P.\} and Allbrooke, \{B. M.M.\} and Allen, \{B. W.\} and Allport, \{P. P.\} and A. Aloisio and T. Mueller and O. Simard",

note = "Publisher Copyright: {\textcopyright} 2017, CERN for the benefit of the ATLAS collaboration.",

year = "2017",

month = jan,

day = "1",

doi = "10.1140/epjc/s10052-016-4574-y",

language = "English",

volume = "77",

journal = "European Physical Journal C",

issn = "1434-6044",

publisher = "Springer Nature",

number = "1",

}

TY - JOUR

T1 - Measurement of the tt ̄Z and tt ̄W production cross sections in multilepton final states using 3.2 fb -1 of pp collisions at √s = 13 TeV with the ATLAS detector

AU - ATLAS Collaboration

AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdinov, O.

AU - Abeloos, B.

AU - Aben, R.

AU - AbouZeid, O. S.

AU - Abraham, N. L.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Abulaiti, Y.

AU - Acharya, B. S.

AU - Adamczyk, L.

AU - Adams, D. L.

AU - Adelman, J.

AU - Adomeit, S.

AU - Adye, T.

AU - Affolder, A. A.

AU - Agatonovic-Jovin, T.

AU - Agricola, J.

AU - Aguilar-Saavedra, J. A.

AU - Ahlen, S. P.

AU - Ahmadov, F.

AU - Aielli, G.

AU - Akerstedt, H.

AU - Åkesson, T. P.A.

AU - Akimov, A. V.

AU - Alberghi, G. L.

AU - Albert, J.

AU - Albrand, S.

AU - Alconada Verzini, M. J.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alexa, C.

AU - Alexander, G.

AU - Alexopoulos, T.

AU - Alhroob, M.

AU - Ali, B.

AU - Aliev, M.

AU - Alimonti, G.

AU - Alison, J.

AU - Alkire, S. P.

AU - Allbrooke, B. M.M.

AU - Allen, B. W.

AU - Allport, P. P.

AU - Aloisio, A.

AU - Mueller, T.

AU - Simard, O.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - A measurement of the tt¯ Z and tt¯ W production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton–proton collisions at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015, corresponding to a total integrated luminosity of 3.2 fb- 1. The inclusive cross sections are extracted using likelihood fits to signal and control regions, resulting in σt t¯ Z= 0.9 ± 0.3 pb and σt t¯ W= 1.5 ± 0.8 pb, in agreement with the Standard Model predictions.

AB - A measurement of the tt¯ Z and tt¯ W production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton–proton collisions at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015, corresponding to a total integrated luminosity of 3.2 fb- 1. The inclusive cross sections are extracted using likelihood fits to signal and control regions, resulting in σt t¯ Z= 0.9 ± 0.3 pb and σt t¯ W= 1.5 ± 0.8 pb, in agreement with the Standard Model predictions.

U2 - 10.1140/epjc/s10052-016-4574-y

DO - 10.1140/epjc/s10052-016-4574-y

M3 - Article

AN - SCOPUS:85011866957

SN - 1434-6044

VL - 77

JO - European Physical Journal C

JF - European Physical Journal C

IS - 1

M1 - 40

ER -

Measurement of the tt ̄Z and tt ̄W production cross sections in multilepton final states using 3.2 fb -1 of pp collisions at √s = 13 TeV with the ATLAS detector

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Contient cette citation

Measurement of the tt ̄Z and tt ̄W production cross sections in multilepton final states using 3.2 fb ^-1 of pp collisions at √s = 13 TeV with the ATLAS detector