Measurement of the Z boson invisible width at s=13 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1016/j.physletb.2024.138705

Measurement of the Z boson invisible width at s=13 TeV 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
CERN
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
IN2P3
AGH University of Krakow
Brandeis University
University of Manchester
Northern Illinois University
Istanbul University
Rutherford Appleton Laboratory
University of California at Santa Cruz
Institute for High Energy Physics
University of Pavia
Johannes Gutenberg University Mainz
Alexandru Ioan Cuza University of Iaşi
McGill University
Royal Holloway University of London
University of Science and Technology of China
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
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
Ochanomizu University
Harvard University
Comenius University
University of California at Irvine
University of Cape Town
University of Illinois at Urbana-Champaign
Mohammed VI Polytechnic University
University of Pennsylvania
Slovak Academy of Sciences
Aristotle University of Thessaloniki
Carleton University
Queen Mary University of London
Yale University
University of Belgrade
University of Texas at Arlington
University of Bologna
Heidelberg University
University of Cambridge
University of Pittsburgh
University of Melbourne
University of Genoa
Max Planck Institute for Physics (Werner Heisenberg Institute)
SLAC National Accelerator Laboratory
Joint Laboratory of Optics
University of Oxford
University College London
CAS - Institute of High Energy Physics
TRIUMF
University of Glasgow
University of Siegen
Universidad de Buenos Aires
Sorbonne Université
Tufts University
University of Bern
University of Warwick
Istinye University
Universidade do Estado do Rio de Janeiro
United Arab Emirates University
Uppsala University
Lawrence Berkeley National Laboratory
Université Paris Cité
Charles University
Technische Universität Dresden
University of Johannesburg
University of Würzburg
University of Oregon
Gaziantep University
University of Calabria
Université Clermont Auvergne
Ohio State University
Shanghai Jiao Tong University
University of Wuppertal
University of Massachusetts
University of Bergen
Simon Fraser University
Boston University
Michigan State University
Justus Liebig University Giessen
Nanjing University
University of Chinese Academy of Sciences
Ankara University
Indiana University Bloomington
University of Pisa
University of Copenhagen
Radboud University Nijmegen
University of the Witwatersrand
University of Toronto
University of Minho
University of Salento
Universidade Federal de Juiz de Fora
University of Wisconsin-Madison
Ivane Javakhishvili Tbilisi State University
Argonne National Laboratory
Tsinghua University
Chinese University of Hong Kong
University of Arizona
National Tsing Hua University
Czech Academy of Sciences
University of Ljubljana
University of Udine
University of Lisbon
University of Trento
York University Toronto
Southern Methodist University
Roma Tre University
Pontificia Universidad Católica de Chile
Millennium Institute for Subatomic physics at high energy frontier (SAPHIR)
The University of Chicago
Universidade de São Paulo
Ibn Tofail University
Louisiana Tech University
Shandong University
Adelaide University
University of Coimbra
University of the Philippines Diliman (Philippines)
University of Iowa
University of British Columbia
University of New Mexico
Demokritos National Centre for Scientific Research
Jagiellonian University in Kraków
University of Alberta
University of Georgia
West University of Timisoara
The California State University
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
Azerbaijan National Academy of Sciences
Yeditepe University
University of Texas at Dallas
Georgian Academy of Sciences E. Andronikashvili Institute of Physics
Kyoto University
University of Innsbruck
Universidad Andrés Bello
Universidad de Tarapacá
KTH Royal Institute of Technology
Hong Kong University of Science and Technology
Sun Yat-Sen University
CSIC - Institute of Microelectronics of Barcelona
Universidad Antonio Nariño
The University of Sydney
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
Universidad de La Serena
TOBB University of Economics and Technology
University of California at Berkeley

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Resumen

A measurement of the invisible width of the Z boson using events with jets and missing transverse momentum is presented using 37 fb⁻¹ of 13 TeV proton–proton data collected by the ATLAS detector in 2015 and 2016. The ratio of Z→inv to Z→ℓℓ events, where inv refers to non-detected particles and ℓ is either an electron or a muon, is measured and corrected for detector effects. Events with at least one energetic central jet with p_T≥110 GeV are selected for both the Z→inv and Z→ℓℓ final states to obtain a similar phase space in the ratio. The invisible width is measured to be 506±2(stat.)±12(syst.) MeV and is the single most precise recoil-based measurement. The result is in agreement with the most precise determination from LEP and the Standard Model prediction based on three neutrino generations.

Idioma original	Inglés
Número de artículo	138705
Publicación	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volumen	854
DOI	https://doi.org/10.1016/j.physletb.2024.138705
Estado	Publicada - 1 jul 2024

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title = "Measurement of the Z boson invisible width at s=13 TeV with the ATLAS detector",

abstract = "A measurement of the invisible width of the Z boson using events with jets and missing transverse momentum is presented using 37 fb−1 of 13 TeV proton–proton data collected by the ATLAS detector in 2015 and 2016. The ratio of Z→inv to Z→ℓℓ events, where inv refers to non-detected particles and ℓ is either an electron or a muon, is measured and corrected for detector effects. Events with at least one energetic central jet with pT≥110 GeV are selected for both the Z→inv and Z→ℓℓ final states to obtain a similar phase space in the ratio. The invisible width is measured to be 506±2(stat.)±12(syst.) MeV and is the single most precise recoil-based measurement. The result is in agreement with the most precise determination from LEP and the Standard Model prediction based on three neutrino generations.",

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

note = "Publisher Copyright: {\textcopyright} 2024 The Author(s)",

year = "2024",

month = jul,

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doi = "10.1016/j.physletb.2024.138705",

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T1 - Measurement of the Z boson invisible width at s=13 TeV with the ATLAS detector

AU - Aad, G.

AU - Abbott, B.

AU - Abeling, K.

AU - Abicht, N. J.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2024/7/1

Y1 - 2024/7/1

N2 - A measurement of the invisible width of the Z boson using events with jets and missing transverse momentum is presented using 37 fb−1 of 13 TeV proton–proton data collected by the ATLAS detector in 2015 and 2016. The ratio of Z→inv to Z→ℓℓ events, where inv refers to non-detected particles and ℓ is either an electron or a muon, is measured and corrected for detector effects. Events with at least one energetic central jet with pT≥110 GeV are selected for both the Z→inv and Z→ℓℓ final states to obtain a similar phase space in the ratio. The invisible width is measured to be 506±2(stat.)±12(syst.) MeV and is the single most precise recoil-based measurement. The result is in agreement with the most precise determination from LEP and the Standard Model prediction based on three neutrino generations.

AB - A measurement of the invisible width of the Z boson using events with jets and missing transverse momentum is presented using 37 fb−1 of 13 TeV proton–proton data collected by the ATLAS detector in 2015 and 2016. The ratio of Z→inv to Z→ℓℓ events, where inv refers to non-detected particles and ℓ is either an electron or a muon, is measured and corrected for detector effects. Events with at least one energetic central jet with pT≥110 GeV are selected for both the Z→inv and Z→ℓℓ final states to obtain a similar phase space in the ratio. The invisible width is measured to be 506±2(stat.)±12(syst.) MeV and is the single most precise recoil-based measurement. The result is in agreement with the most precise determination from LEP and the Standard Model prediction based on three neutrino generations.

UR - https://www.scopus.com/pages/publications/85193298885

U2 - 10.1016/j.physletb.2024.138705

DO - 10.1016/j.physletb.2024.138705

M3 - Article

AN - SCOPUS:85193298885

SN - 0370-2693

VL - 854

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

M1 - 138705

ER -

Measurement of the Z boson invisible width at s=13 TeV with the ATLAS detector

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