Determination of the Relative Sign of the Higgs Boson Couplings to W and Z Bosons Using WH Production via Vector-Boson Fusion with the ATLAS Detector

ATLAS Collaboration

doi:10.1103/PhysRevLett.133.141801

Determination of the Relative Sign of the Higgs Boson Couplings to W and Z Bosons Using WH Production via Vector-Boson Fusion with the ATLAS Detector

ATLAS Collaboration

Instituto de Alta Investigación

Aix-Marseille Université and CNRS/IN2P3
University of Oklahoma
University of Göttingen
TU Dortmund University
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United States Department of Energy
Mohammed V University in Rabat
Tel Aviv University
Technion-Israel Institute of Technology
New York University
National Institute for Nuclear Physics
Abdus Salam International Centre for Theoretical Physics
King's College London
IN2P3
AGH University of Krakow
Brandeis University
University of Manchester
Northern Illinois University
Istanbul University
Rutherford Appleton Laboratory
University of California at Santa Cruz
The University of Chicago
Institute for High Energy Physics
University of Pavia
Johannes Gutenberg University Mainz
Alexandru Ioan Cuza University of Iaşi
Azerbaijan National Academy of Sciences
McGill University
Royal Holloway University of London
Zhengzhou University
University of Rome Tor Vergata
University of Valencia
University of Hassan II Casablanca
Weizmann Institute of Science
Lund University
Waseda University
University of Bonn
Bogazici University
Columbia University
University of Victoria BC
Université Grenoble Alpes
University of Edinburgh
Oklahoma State University
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Technical University of Athens
University of Geneva
Czech Technical University in Prague
Lancaster University
Academia Sinica - Institute of Physics
University of Liverpool
Stony Brook University
Université Paris-Saclay
University of Sussex
Universidad Técnica Federico Santa Maria
University of Birmingham
University of Naples Federico II
Universidad Nacional de La Plata
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 Oslo
University of Sheffield
University of Texas at Austin
Stockholm University
Oskar Klein Centre
University of Milan
National and Kapodistrian University of Athens
Lawrence Livermore National Laboratory
High Energy Accelerator Research Organization, Tsukuba
The University of Tokyo
German Electron Synchrotron
Humboldt University of Berlin
Institute of Nuclear Physics PAN
Duke University
University of Montreal
University of Freiburg
University of Amsterdam
University of Rome La Sapienza
Nagoya University
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Aristotle University of Thessaloniki
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Carleton University
Queen Mary University of London
Yale University
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Heidelberg University
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Max Planck Institute for Physics (Werner Heisenberg Institute)
SLAC National Accelerator Laboratory
Joint Laboratory of Optics
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University of Oxford
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An-Najah National University
University of Glasgow
University of Siegen
Universidad de Buenos Aires
Sorbonne Université
Tufts University
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Nanjing University
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University of Arizona
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Southern Methodist University
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Pontificia Universidad Católica de Chile
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Jagiellonian University in Kraków
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Centro Studi e Ricerche Enrico Fermi
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Yeditepe University
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Georgian Academy of Sciences E. Andronikashvili Institute of Physics
Ilia State University
Kyoto University
University of Innsbruck
Center for Interdisciplinary Research and Innovation (CIRI-AUTH)
Universidad Andrés Bello
Universidad de Tarapacá
Hellenic Open University
KTH Royal Institute of Technology
Peking University
Hong Kong University of Science and Technology
Sun Yat-Sen University
CSIC - Institute of Microelectronics of Barcelona
Stellenbosch University
CNRS
California State University Sacramento
Universidad Antonio Nariño
The University of Sydney
University of Hamburg
Kyushu University
Mohamed I University
Transilvania University of Brasov
National Institute for Research and Development of Isotopic and Molecular Technologies
Universidad Nacional de Colombia
University of Sharjah
Bulgarian Academy of Sciences
Washington College
Universidad de La Serena
TOBB University of Economics and Technology
Mongolian Academy of Sciences
University of California at Berkeley

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Resumen

The associated production of Higgs and W bosons via vector-boson fusion is highly sensitive to the relative sign of the Higgs boson couplings to W and Z bosons. In this Letter, two searches for this process are presented, using 140 fb⁻¹ of proton-proton collision data at √s = 13 TeV recorded by the ATLAS detector at the LHC. The first search targets scenarios with opposite-sign couplings of the W and Z bosons to the Higgs boson, while the second targets standard model-like scenarios with same-sign couplings. Both analyses consider Higgs boson decays into a pair of b quarks and W boson decays with an electron or muon. The data exclude the opposite-sign coupling hypothesis with a significance beyond 5σ, and the observed (expected) upper limit set on the cross section for vector-boson fusion WH production is 9.0 (8.7) times the standard model value at 95% confidence level.

Idioma original	Inglés
Número de artículo	141801
Publicación	Physical Review Letters
Volumen	133
N.º	14
DOI	https://doi.org/10.1103/PhysRevLett.133.141801
Estado	Publicada - 4 oct 2024

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title = "Determination of the Relative Sign of the Higgs Boson Couplings to W and Z Bosons Using WH Production via Vector-Boson Fusion with the ATLAS Detector",

abstract = "The associated production of Higgs and W bosons via vector-boson fusion is highly sensitive to the relative sign of the Higgs boson couplings to W and Z bosons. In this Letter, two searches for this process are presented, using 140 fb−1 of proton-proton collision data at √s = 13 TeV recorded by the ATLAS detector at the LHC. The first search targets scenarios with opposite-sign couplings of the W and Z bosons to the Higgs boson, while the second targets standard model-like scenarios with same-sign couplings. Both analyses consider Higgs boson decays into a pair of b quarks and W boson decays with an electron or muon. The data exclude the opposite-sign coupling hypothesis with a significance beyond 5σ, and the observed (expected) upper limit set on the cross section for vector-boson fusion WH production is 9.0 (8.7) times the standard model value at 95\% confidence level.",

author = "G. Aad and B. Abbott and K. Abeling and Abicht, \{N. J.\} and S. Kabana and \{ATLAS Collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2024 CERN, for the ATLAS Collaboration.",

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AU - Aad, G.

AU - Abbott, B.

AU - Abeling, K.

AU - Abicht, N. J.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2024/10/4

Y1 - 2024/10/4

N2 - The associated production of Higgs and W bosons via vector-boson fusion is highly sensitive to the relative sign of the Higgs boson couplings to W and Z bosons. In this Letter, two searches for this process are presented, using 140 fb−1 of proton-proton collision data at √s = 13 TeV recorded by the ATLAS detector at the LHC. The first search targets scenarios with opposite-sign couplings of the W and Z bosons to the Higgs boson, while the second targets standard model-like scenarios with same-sign couplings. Both analyses consider Higgs boson decays into a pair of b quarks and W boson decays with an electron or muon. The data exclude the opposite-sign coupling hypothesis with a significance beyond 5σ, and the observed (expected) upper limit set on the cross section for vector-boson fusion WH production is 9.0 (8.7) times the standard model value at 95% confidence level.

AB - The associated production of Higgs and W bosons via vector-boson fusion is highly sensitive to the relative sign of the Higgs boson couplings to W and Z bosons. In this Letter, two searches for this process are presented, using 140 fb−1 of proton-proton collision data at √s = 13 TeV recorded by the ATLAS detector at the LHC. The first search targets scenarios with opposite-sign couplings of the W and Z bosons to the Higgs boson, while the second targets standard model-like scenarios with same-sign couplings. Both analyses consider Higgs boson decays into a pair of b quarks and W boson decays with an electron or muon. The data exclude the opposite-sign coupling hypothesis with a significance beyond 5σ, and the observed (expected) upper limit set on the cross section for vector-boson fusion WH production is 9.0 (8.7) times the standard model value at 95% confidence level.

UR - https://www.scopus.com/pages/publications/85206872892

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DO - 10.1103/PhysRevLett.133.141801

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JO - Physical Review Letters

JF - Physical Review Letters

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ER -

Determination of the Relative Sign of the Higgs Boson Couplings to W and Z Bosons Using WH Production via Vector-Boson Fusion with the ATLAS Detector

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