Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector

ATLAS Collaboration

doi:10.1103/PhysRevLett.131.181901

Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector

Translated title of the contribution: Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector

ATLAS Collaboration

Institute of Higher Research

Aix-Marseille Université and CNRS/IN2P3
University of Oklahoma
University of Massachusetts
University of Göttingen
CERN
United States Department of Energy
Mohammed V University in Rabat
Tel Aviv University
Technion-Israel Institute of Technology
New York University
Pontificia Universidad Católica de Chile
National Institute for Nuclear Physics
Abdus Salam International Centre for Theoretical Physics
King's College London
Johannes Gutenberg University Mainz
IN2P3
AGH University of Krakow
University of Toronto
Brandeis University
Northern Illinois University
Istanbul University
University of Geneva
Rutherford Appleton Laboratory
University of California at Santa Cruz
Institute for High Energy Physics
University of Pavia
Alexandru Ioan Cuza University of Iaşi
University of Granada
Azerbaijan National Academy of Sciences
McGill University
Royal Holloway University of London
German Electron Synchrotron
University of Rome Tor Vergata
Weizmann Institute of Science
Lund University
Columbia University
University of Victoria BC
Universidad Nacional de La Plata
University of Edinburgh
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Technical University of Athens
University of Amsterdam
Czech Technical University in Prague
Academia Sinica - Institute of Physics
University of Sussex
University of Birmingham
University of Naples Federico II
University of Washington
Universidad Autónoma de Madrid
Universidade Federal do Rio de Janeiro
Ludwig Maximilian University of Munich
University of Michigan, Ann Arbor
Laboratório de Instrumentação e Física Experimental de Partículas
University of Valencia
University of Oslo
University of Sheffield
Université Paris-Saclay
University of Texas at Austin
University of Bern
Stockholm University
Oskar Klein Centre
University of Milan
National and Kapodistrian University of Athens
Lawrence Livermore National Laboratory
Oklahoma State University
Lawrence Berkeley National Laboratory
High Energy Accelerator Research Organization, Tsukuba
Humboldt University of Berlin
Universidade Federal de Juiz de Fora
Duke University
University of Liverpool
University of Montreal
University of Freiburg
University of Rome La Sapienza
Nagoya University
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Comenius University
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University of Illinois at Urbana-Champaign
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Charles University
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Max Planck Institute for Physics (Werner Heisenberg Institute)
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SLAC National Accelerator Laboratory
Joint Laboratory of Optics
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Lancaster University
TU Dortmund University
Roma Tre University
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University of Johannesburg
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Ankara University
Indiana University Bloomington
University of Copenhagen
University of Iowa
University of Calabria
Westmont College
Radboud University Nijmegen
University of the Witwatersrand
ICREA
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University of Salento
Ivane Javakhishvili Tbilisi State University
Tsinghua University
The Collaborative Innovation Center of Quantum Matter (CICQM)
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National Tsing Hua University
Czech Academy of Sciences
University of Ljubljana
Ben-Gurion University of the Negev
University of Udine
Université Grenoble Alpes
University of Lisbon
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Institute of Particle Physics
University of Trento
Fondazione Bruno Kessler
University of California at Irvine
University of Pennsylvania
Universidad de Buenos Aires
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Southern Methodist University
Ministerio de Planificación, Chile
Universidade de São Paulo
Ibn Tofail University
RWTH Aachen University
Demokritos National Centre for Scientific Research
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Adelaide University
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City University of New York
University of the Philippines
University of the Aegean
The University of Chicago
Stanford University
Jagiellonian University in Kraków
University of Alberta
Centro Studi e Ricerche Enrico Fermi
West University of Timisoara
The California State University
California State University East Bay
University of New Mexico
University of Tsukuba
Shinshu University
Institute of Science Tokyo
Iowa State University
Kobe University
The University of Osaka
National University of Science and Technology POLITEHNICA Bucharest
The University of Hong Kong
Yeditepe University
Waseda University
Georgian Academy of Sciences E. Andronikashvili Institute of Physics
Ilia State University
Kyushu University
University of Innsbruck
Kyoto University
Universidad Andrés Bello
Universidad de Tarapacá
Hellenic Open University
KTH Royal Institute of Technology
Peking University
Hong Kong University of Science and Technology
California State University Sacramento
Universidad Antonio Nariño
Transilvania University of Brasov
National Institute for Research and Development of Isotopic and Molecular Technologies
Universidad Nacional de Colombia
Louisiana Tech University
Bulgarian Academy of Sciences
University of Sharjah
CNRS
TOBB University of Economics and Technology
University of Hamburg
Kyoto University of Education
Universidad de La Serena

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

This Letter reports the observation of single top quarks produced together with a photon, which directly probes the electroweak coupling of the top quark. The analysis uses 139 fb⁻¹ of 13 TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider. Requiring a photon with transverse momentum larger than 20 GeV and within the detector acceptance, the fiducial cross section is measured to be 688±23⁢(stat)⁢ _-71^+75 ⁢(syst) fb, to be compared with the standard model prediction of 515_-42⁺³⁶ fb at next-to-leading order in QCD.

Translated title of the contribution	Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector
Original language	English
Article number	181901
Journal	Physical Review Letters
Volume	131
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.131.181901
State	Published - 3 Nov 2023

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10.1103/PhysRevLett.131.181901

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@article{c41eb2d571d44d669d790557d98af5c8,

title = "Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector",

abstract = "This Letter reports the observation of single top quarks produced together with a photon, which directly probes the electroweak coupling of the top quark. The analysis uses 139 fb−1 of 13 TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider. Requiring a photon with transverse momentum larger than 20 GeV and within the detector acceptance, the fiducial cross section is measured to be 688±23⁢(stat)⁢ -71+75 ⁢(syst) fb, to be compared with the standard model prediction of 515-42+36 fb at next-to-leading order in QCD.",

author = "G. Aad and B. Abbott and Abbott, \{D. C.\} and K. Abeling and S. Kabana and \{ATLAS Collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2023 CERN, for the ATLAS Collaboration.",

year = "2023",

month = nov,

day = "3",

doi = "10.1103/PhysRevLett.131.181901",

language = "English",

volume = "131",

journal = "Physical Review Letters",

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T1 - Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector

AU - Aad, G.

AU - Abbott, B.

AU - Abbott, D. C.

AU - Abeling, K.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2023/11/3

Y1 - 2023/11/3

N2 - This Letter reports the observation of single top quarks produced together with a photon, which directly probes the electroweak coupling of the top quark. The analysis uses 139 fb−1 of 13 TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider. Requiring a photon with transverse momentum larger than 20 GeV and within the detector acceptance, the fiducial cross section is measured to be 688±23⁢(stat)⁢ -71+75 ⁢(syst) fb, to be compared with the standard model prediction of 515-42+36 fb at next-to-leading order in QCD.

AB - This Letter reports the observation of single top quarks produced together with a photon, which directly probes the electroweak coupling of the top quark. The analysis uses 139 fb−1 of 13 TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider. Requiring a photon with transverse momentum larger than 20 GeV and within the detector acceptance, the fiducial cross section is measured to be 688±23⁢(stat)⁢ -71+75 ⁢(syst) fb, to be compared with the standard model prediction of 515-42+36 fb at next-to-leading order in QCD.

UR - https://www.scopus.com/pages/publications/85179841715

UR - https://pubmed.ncbi.nlm.nih.gov/37977601/

U2 - 10.1103/PhysRevLett.131.181901

DO - 10.1103/PhysRevLett.131.181901

M3 - Article

C2 - 37977601

AN - SCOPUS:85179841715

SN - 0031-9007

VL - 131

JO - Physical Review Letters

JF - Physical Review Letters

IS - 18

M1 - 181901

ER -

Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector

Abstract

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