Measurement of the Zγ→ νν¯ γ production cross section in pp collisions at √s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings

collaboration, The ATLAS and Barton, A.E. and Bertram, I.A. and Borissov, G. and Bouhova-Thacker, E.V. and Fox, H. and Henderson, R.C.W. and Jones, R.W.L. and Kartvelishvili, V. and Long, R.E. and Love, P.A. and Muenstermann, D. and Parker, A.J. and Smizanska, M. and Tee, A.S. and Walder, J. and Wharton, A.M. and Whitmore, B.W. (2018) Measurement of the Zγ→ νν¯ γ production cross section in pp collisions at √s=13 TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings. Journal of High Energy Physics, 2018 (12). ISSN 1029-8479

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The production of Z bosons in association with a high-energy photon (Zγ production) is studied in the neutrino decay channel of the Z boson using pp collisions at s=13 TeV. The analysis uses a data sample with an integrated luminosity of 36.1fb −1 collected by the ATLAS detector at the LHC in 2015 and 2016. Candidate Zγ events with invisible decays of the Z boson are selected by requiring significant transverse momentum (p T ) of the dineutrino system in conjunction with a single isolated photon with large transverse energy (E T ). The rate of Zγ production is measured as a function of photon E T , dineutrino system p T and jet multiplicity. Evidence of anomalous triple gauge-boson couplings is sought in Zγ production with photon E T greater than 600 GeV. No excess is observed relative to the Standard Model expectation, and upper limits are set on the strength of ZZγ and Zγγ couplings.[Figure not available: see fulltext.]. © 2018, The Author(s).

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Journal Article
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Journal of High Energy Physics
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Export Date: 22 March 2019 Funding details: Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq Funding details: Fundação de Amparo à Pesquisa do Estado de São Paulo, FAPESP Funding details: Australian Research Council, ARC Funding details: Chinese Academy of Sciences, CAS Funding details: Departamento Administrativo de Ciencia, Tecnología e Innovación, COLCIENCIAS Funding details: Ministerstvo Průmyslu a Obchodu, MPO Funding details: CERN Funding details: National Natural Science Foundation of China, NSFC Funding details: Natural Sciences and Engineering Research Council of Canada, NSERC, NRC Funding details: Arizona-Nevada Academy of Science, ANAS Funding details: Ministry of Science and Technology, MOST Funding details: Consejo Nacional de Innovación, Ciencia y Tecnología, CONICYT Funding details: Agencia Nacional de Promoción Científica y Tecnológica, ANPCyT Funding details: Cummings Foundation, CFI Funding details: Ministerstwo Nauki i Szkolnictwa Wyższego, MNiSW 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: Generalitat Valenciana Funding details: Labex Funding details: Iowa Science Foundation, ISF Funding details: Seventh Framework Programme, FP7 Funding details: American Roentgen Ray Society, ARRS 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: Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science Funding details: European Research Council, ERC Funding details: Science and Technology Facilities Council, STFC Funding details: Human Growth Foundation, HGF Funding details: Thales Group, Thales Funding details: Narodowym Centrum Nauki, NCN Funding details: Generalitat de Catalunya Funding details: Max-Planck-Gesellschaft, MPG Funding details: Leverhulme Trust Funding details: Bundesministerium für Bildung und Forschung, BMBF Funding details: Instituto Nazionale di Fisica Nucleare, INFN Funding details: Nederlandse Organisatie voor Wetenschappelijk Onderzoek, NWO Funding details: Danmarks Grundforskningsfond, DNRF Funding details: Juvenile Diabetes Research Foundation United States of America, JDRF 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: European Geosciences Union, EGU Funding details: Canarie Funding details: European Regional Development Fund, FEDER Funding details: Bloom's Syndrome Foundation, BSF Funding details: Banting Research Foundation, BRF Funding details: General Secretariat for Research and Technology, GSRT Funding details: Singapore Eye Research Institute, SERI Funding details: Ministry of Education, Culture, Sports, Science and Technology, MEXT Funding details: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, SNF Funding details: Ministry of Education and Science, MES Funding details: Compute Canada Funding details: Canada Council for the Arts Funding details: Ministerio de Economía y Competitividad, MEC Funding details: CRC Health Group, CRC Funding details: Centre National pour la Recherche Scientifique et Technique, CNRST Funding details: Brookhaven National Laboratory, BNL Funding details: TRIUMF Funding details: Poultry Industry Council, PIC Funding details: Alabama Space Grant Consortium, ASGC Funding text 1: 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, Funding text 2: 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 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 MIZSˇ, 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 Sklo dowska-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. Funding text 3: 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 (U.K.) and BNL (U.S.A.), the Tier-2 facilities worldwide and large non-WLCG resource providers. Major contributors of computing resources are listed in ref. [57].
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02 Apr 2019 10:10
Last Modified:
16 Sep 2023 01:55