Search for W′  →  tb decays in the hadronic final state using pp collisions at √s=13TeV with the ATLAS detector

The ATLAS collaboration

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45 Scopus citations

Abstract

A search for W-boson production in the W→tb¯→qq¯bb¯ decay channel is presented using 36.1fb−1 of 13 TeV proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The search is interpreted in terms of both a left-handed and a right-handed chiral W boson within the mass range 1–5 TeV. Identification of the hadronically decaying top quark is performed using jet substructure tagging techniques based on a shower deconstruction algorithm. No significant deviation from the Standard Model prediction is observed and the results are expressed as upper limits on the W→tb¯ production cross-section times branching ratio as a function of the W-boson mass. These limits exclude W bosons with right-handed couplings with masses below 3.0 TeV and W bosons with left-handed couplings with masses below 2.9 TeV, at the 95% confidence level.

Original languageEnglish
Pages (from-to)327-348
Number of pages22
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume781
DOIs
StatePublished - 10 Jun 2018

Funding

FundersFunder number
Departamento Administrativo de Ciencia, Tecnología e Innovación
Agence Nationale de la Recherche
Australian Research Council
Centre National pour la Recherche Scientifique et Technique
Fundação para a Ciência e a Tecnologia
Comisión Nacional de Investigación Científica y Tecnológica
National Stroke Foundation
University of Washington College of Arts and Sciences
Helmholtz Association
Narodowe Centrum Nauki
CEA-DRF
H2020 Marie Skłodowska-Curie Actions
Région Auvergne
American Roentgen Ray Society
Japan Society for the Promotion of Science
Seventh Framework Programme
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Ministry of Science and Technology, Taiwan
Israel Science Foundation
Wallenberg Foundation
Cummings Foundation
Leverhulme Trust
Arizona-Nevada Academy of Science
Javna Agencija za Raziskovalno Dejavnost RS
Generalitat de Catalunya
Instituto Nazionale di Fisica Nucleare
Bundesministerium für Wissenschaft, Forschung und Wirtschaft
Austrian Science Fund
Department of Science and Technology, Ministry of Science and Technology, India
MSMT
Türkiye Atom Enerjisi Kurumu
MSSR
Ministerio de Economía y Competitividad
Azərbaycan Respirator Cəmiyyəti
Max-Planck-Gesellschaft
Bundesministerium für Bildung und Forschung
Canada Foundation for Innovation
Helmholtz-Gemeinschaft
Danmarks Grundforskningsfond
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Czech Republic
Singapore Eye Research Institute
Canarie
Ontario Innovation Trust
MIZŠ
Deutsche Forschungsgemeinschaft
United States-Israel Binational Science Foundation
Neurosurgical Research Foundation
Ministry of Science and Technology
Thales Group
MESTD
U.S. Department of Energy
EU-ESF
RGC
Bundesministerium für Bildung und Frauen
Fundação de Amparo à Pesquisa do Estado de São Paulo
Israeli Centers for Research Excellence
Biomedical Research Foundation
MES of Russia
California Department of Fish and Wildlife
National Research Center "Kurchatov Institute"
Institutul de Fizică Atomică
Bloom's Syndrome Foundation
Natural Sciences and Engineering Research Council of Canada
General Secretariat for Research and Technology
Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science
National Research Council Sri Lanka
Fundació Catalana de Trasplantament
Iowa Science Foundation
Scientific Education and Research Institute
Consejo Nacional de Innovación, Ciencia y Tecnología
German-Israeli Foundation for Scientific Research and Development
Strategic Research Council
Fonds Québécois de la Recherche sur la Nature et les Technologies
Cantons of Bern and Geneva
Canada Council for the Arts
Chinese Academy of Sciences
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
VSC CR
Glycemic Index Foundation
CRC Health Group
MNE
Agencia Nacional de Promoción Científica y Tecnológica
Royal Society
Minerva Foundation
European Research Council
European Regional Development Fund
Ministerstwo Nauki i Szkolnictwa Wyższego
IRFU
Generalitat Valenciana
CERN
Joint Institute for Nuclear Research
Fondation Partager le Savoir
National Research Council Canada
Ministerstvo Průmyslu a Obchodu
Alexander von Humboldt-Stiftung
Council on grants of the President of the Russian Federation
Horizon 2020
Blowitz-Ridgeway Foundation
British Columbia Knowledge Development Fund
Ministry of Education, Culture, Sports, Science and Technology
National Natural Science Foundation of China
Not addedST/J005533/1, ST/M000753/1, ST/N000307/1, ST/M00256X/1, ST/L003449/1, ST/H001158/2, GRIDPP, ST/K000837/1, ST/L001217/1, ST/L001020/1, ST/K001310/1, ST/L006162/1, ST/M006425/1, ST/N000447/1, ST/J004804/1, ST/H001158/1, ST/P00234X/1, ST/J005509/1, ST/K001329/1, ST/N000420/1
National Science Foundation1624739
DNSRCIN2P3-CNRS

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