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Search for light resonances decaying to boosted quark pairs and produced in association with a photon or a jet in proton–proton collisions at √s=13TeV with the ATLAS detector

Research output: Contribution to journalJournal article

Published
<mark>Journal publication date</mark>10/01/2019
<mark>Journal</mark>Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume788
Number of pages20
Pages (from-to)316-335
Publication statusPublished
Early online date2/11/18
Original languageEnglish

Abstract

This Letter presents a search for new light resonances decaying to pairs of quarks and produced in association with a high -pT photon or jet. The dataset consists of proton–proton collisions with an integrated luminosity of 36.1 fb−1 at a centre -of -mass energy of s=13 TeV recorded by the ATLAS detector at the Large Hadron Collider. Resonance candidates are identified as massive large -radius jets with substructure consistent with a particle decaying into a quark pair. The mass spectrum of the candidates is examined for local excesses above background. No evidence of a new resonance is observed in the data, which are used to exclude the production of a lepto -phobic axial -vector Z′ boson. © 2018 The Author(s)

Bibliographic note

Cited By :2 Export Date: 23 January 2019 CODEN: PYLBA Correspondence Address: Yusuff, I.; Department of Physics, University of MalayaMalaysia Funding details: Ontario Innovation Trust, OIT Funding details: Ministerstwo Nauki i Szkolnictwa Wyższego, MNiSW Funding details: Australian Research Council, ARC Funding details: Fuel Cell Technologies Program, FCT Funding details: Joint Institute for Nuclear Research, JINR Funding details: German -Israeli Foundation for Scientific Research and Development, GIF Funding details: British Columbia Knowledge Development Fund, BCKDF Funding details: Israeli Centers for Research Excellence, I -CORE Funding details: TRIUMF Funding details: Ministry of Science and Technology, MOST Funding details: Labex Funding details: Ministerstvo Průmyslu a Obchodu, MPO Funding details: Iowa Science Foundation, ISF Funding details: Alabama Space Grant Consortium, ASGC Funding details: American Roentgen Ray Society, ARRS Funding details: H2020 Marie Skłodowska -Curie Actions, MSCA Funding details: School for Advanced Research, SAR Funding details: Japan Society for the Promotion of Science, JSPS Funding details: Türkiye Atom Enerjisi Kurumu, TAEK Funding details: European Research Council, ERC Funding details: Generalitat Valenciana Funding details: Science and Technology Facilities Council, STFC Funding details: Human Growth Foundation, HGF Funding details: Thales Group, Thales Funding details: Fundação de Amparo à Pesquisa do Estado de São Paulo, FAPESP Funding details: Narodowym Centrum Nauki, NCN Funding details: Generalitat de Catalunya Funding details: Max -Planck -Gesellschaft, MPG Funding details: Bundesministerium für Bildung und Forschung, BMBF Funding details: Leverhulme Trust Funding details: Natural Sciences and Engineering Research Council of Canada, NSERC, NRC Funding details: Brookhaven National Laboratory, BNL Funding details: Instituto Nazionale di Fisica Nucleare, INFN Funding details: Danmarks Grundforskningsfond, DNRF Funding details: Juvenile Diabetes Research Foundation United States of America, JDRF Funding details: Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq Funding details: Agence Nationale de la Recherche, ANR Funding details: Fonds Québécois de la Recherche sur la Nature et les Technologies, FQRNT Funding details: Marianne and Marcus Wallenberg Foundation Funding details: Chinese Academy of Sciences, CAS Funding details: Departamento Administrativo de Ciencia, Tecnología e Innovación, COLCIENCIAS Funding details: European Geosciences Union, EGU Funding details: Canarie Funding details: CERN Funding details: Poultry Industry Council, PIC Funding details: Bloom's Syndrome Foundation, BSF Funding details: Banting Research Foundation, BRF Funding details: Arizona -Nevada Academy of Science, ANAS Funding details: General Secretariat for Research and Technology, GSRT Funding details: Singapore Eye Research Institute, SERI Funding details: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, SNSF Funding details: Ministry of Education, Culture, Sports, Science and Technology, MEXT Funding details: Ministry of Education and Science, MES Funding details: Compute Canada Funding details: Canada Council for the Arts Funding details: Agencia Nacional de Promoción Científica y Tecnológica, ANPCyT Funding details: CRC Health Group, CRC Funding details: Centre National pour la Recherche Scientifique et Technique, CNRST Funding text 1: We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT , Argentina; YerPhI , Armenia; ARC , Australia; BMWFW and FWF , Austria; ANAS , Azerbaijan; SSTC , Belarus; CNPq and FAPESP , Brazil; NSERC , NRC and CFI , Canada; CERN ; CONICYT , Chile; CAS , MOST and NSFC , China; COLCIENCIAS , Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC , Denmark; IN2P3 -CNRS , CEA -DRF/IRFU , France; SRNSFG , Georgia; BMBF , HGF , and MPG , Germany; GSRT , Greece; RGC , Hong Kong SAR, China; ISF , I -CORE and Benoziyo Center , Israel; INFN , Italy; MEXT and JSPS , Japan; CNRST , Morocco; NWO , Netherlands; RCN , Norway; MNiSW and NCN , Poland; FCT , Portugal; MNE/IFA , Romania; MES of Russia and NRC KI , Russian Federation; JINR ; MESTD , Serbia; MSSR , Slovakia; ARRS and MIZŠ , Slovenia; DST/NRF , South Africa; MINECO , Spain; SRC and Wallenberg Foundation , Sweden; SERI , SNSF and Cantons of Bern and Geneva , Switzerland; MOST , Taiwan; TAEK , Turkey; STFC , United Kingdom; DOE and NSF , United States of America. In addition, individual groups and members have received support from BCKDF , the Canada Council , CANARIE , CRC , Compute Canada , FQRNT , and the Ontario Innovation Trust , Canada; EPLANET , ERC , ERDF , FP7 , Horizon 2020 and Marie Skłodowska -Curie Actions , European Union; Investissements d'Avenir Labex and Idex , ANR , Région Auvergne and Fondation Partager le Savoir , France; DFG and AvH Foundation , Germany; Herakleitos, Thales and Aristeia programmes co -financed by EU -ESF and the Greek NSRF ; BSF , GIF and Minerva , Israel; BRF , Norway; CERCA Programme Generalitat de Catalunya , Generalitat Valenciana , Spain; the Royal Society and Leverhulme Trust , United Kingdom. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN, the ATLAS Tier -1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC -IN2P3 (France), KIT/GridKA (Germany), INFN -CNAF (Italy), NL -T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA), the Tier -2 facilities worldwide and large non -WLCG resource providers. Major contributors of computing resources are listed in Ref. [61] .