Search for new phenomena in high-mass diphoton final states using 37 fb−1 of proton–proton collisions collected at s=13 TeV with the ATLAS detector

The ATLAS collaboration

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Abstract

Searches for new phenomena in high-mass diphoton final states with the ATLAS experiment at the LHC are presented. The analysis is based on pp collision data corresponding to an integrated luminosity of 36.7 fb−1 at a centre-of-mass energy s=13 TeV recorded in 2015 and 2016. Searches are performed for resonances with spin 0, as predicted by theories with an extended Higgs sector, and for resonances with spin 2, using a warped extra-dimension model as a benchmark model, as well as for non-resonant signals, assuming a large extra-dimension scenario. No significant deviation from the Standard Model is observed. Upper limits are placed on the production cross section times branching ratio to two photons as a function of the resonance mass. In addition, lower limits are set on the ultraviolet cutoff scale in the large extra-dimensions model.

Original languageEnglish
Pages (from-to)105-125
Number of pages21
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume775
DOIs
StatePublished - 10 Dec 2017

Funding

FundersFunder number
AvH Foundation
Benoziyo Center , Israel
CEA-DSM/IRFU
Canada Council
Cantons of Bern and Geneva
DNSRCIN2P3-CNRS
DST/NRF
EU-ESF
MES of Russia
MESTD
MIZŠ
MNE/IFA
MSMT
MSSR
Minerva , Israel
RGC
Région Auvergne
VSC CR
National Science Foundation1624739
National Science Foundation
U.S. Department of Energy
Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)
Ontario Innovation Trust
H2020 Marie Skłodowska-Curie Actions
Biomedical Research Foundation
Seventh Framework Programme246806
Seventh Framework Programme
Arizona-Nevada Academy of Science
CERN
National Research Council
College of Arts and Sciences, University of Nebraska-Lincoln
Glycemic Index Foundation
Natural Sciences and Engineering Research Council of Canada
Science and Technology Facilities CouncilPP/E000452/1, ST/H001158/1, 1653101, ST/N000331/1, ST/H001158/2, GRIDPP, ST/N000277/1, 1659192
Science and Technology Facilities Council
Leverhulme Trust
Royal Society
British Skin Foundation
European Research Council
Australian Research Council
Singapore Eye Research Institute
Helmholtz-Gemeinschaft
Deutsche Forschungsgemeinschaft
Agence Nationale de la Recherche
Japan Society for the Promotion of Science
Ministry of Education, Culture, Sports, Science and Technology
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Danmarks Grundforskningsfond
Canada Foundation for Innovation
Fundação de Amparo à Pesquisa do Estado de São Paulo
National Natural Science Foundation of China
Fundação para a Ciência e a Tecnologia
Bundesministerium für Bildung und Forschung
Austrian Science Fund
Generalitat de Catalunya
Comisión Nacional de Investigación Científica y Tecnológica
Agencia Nacional de Promoción Científica y Tecnológica
Fonds Québécois de la Recherche sur la Nature et les Technologies
Ministerstvo Zdravotnictví Ceské Republiky
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Ministerio de Economía y Competitividad
Generalitat Valenciana
Bundesministerium für Wissenschaft, Forschung und Wirtschaft
General Secretariat for Research and Technology
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Ministry of Science and Technology
Joint Institute for Nuclear Research
Israel Science Foundation
Instituto Nazionale di Fisica Nucleare
Narodowe Centrum Nauki
Javna Agencija za Raziskovalno Dejavnost RS
Ministerstwo Nauki i Szkolnictwa Wyższego
Shota Rustaveli National Science Foundation
Israeli Centers for Research Excellence
Centre National pour la Recherche Scientifique et Technique
Horizon 2020
British Columbia Knowledge Development Fund
European Regional Development Fund
Marianne and Marcus Wallenberg Foundation
Fondation Partager le Savoir
National Research Center "Kurchatov Institute"
Ministry of Health of the Russian Federation

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