Search for R-parity-violating supersymmetric particles in multi-jet final states produced in p–p collisions at s=13 TeV using the ATLAS detector at the LHC

The ATLAS collaboration

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34 Scopus citations

Abstract

Results of a search for gluino pair production with subsequent R-parity-violating decays to quarks are presented. This search uses 36.1 fb−1 of data collected by the ATLAS detector in proton–proton collisions with a centre-of-mass energy of s=13 TeV at the LHC. The analysis is performed using requirements on the number of jets and the number of jets tagged as containing a b-hadron as well as a topological observable formed by the scalar sum of masses of large-radius jets in the event. No significant excess above the expected Standard Model background is observed. Limits are set on the production of gluinos in models with the R-parity-violating decays of either the gluino itself (direct decay) or the neutralino produced in the R-parity-conserving gluino decay (cascade decay). In the gluino cascade decay model, gluino masses below 1850 GeV are excluded for 1000 GeV neutralino mass. For the gluino direct decay model, the 95% confidence level upper limit on the cross section times branching ratio varies between 0.80 fb at m=900 GeV and 0.011 fb at m=1800 GeV.

Original languageEnglish
Pages (from-to)136-158
Number of pages23
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume785
DOIs
StatePublished - 10 Oct 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
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
Arkansas Space Grant Consortium
Generalitat de Catalunya
Instituto Nazionale di Fisica Nucleare
Bundesministerium für Wissenschaft, Forschung und Wirtschaft
Austrian Science Fund
Biomedical Research Foundation of Northwest Louisiana
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
Northern Ireland Community Relations Council
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
European Commission
European Social Fund
Neurosurgical Research Foundation
Ministry of Science and Technology
MESTD
U.S. Department of Energy
RGC
National Research Council
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
Seventh Framework Programme
General Secretariat for Research and Technology
Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science
Fundació Catalana de Trasplantament
Iowa Science Foundation
Scientific Education and Research Institute
Consejo Nacional de Innovación, Ciencia y Tecnología
TRIUMF
German-Israeli Foundation for Scientific Research and Development
Narodowym Centrum Nauki
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
Poultry Industry Council
Glycemic Index Foundation
Compute Canada
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
Brookhaven National Laboratory
Ministerstvo Průmyslu a Obchodu
Alexander von Humboldt-Stiftung
Council on grants of the President of the Russian Federation
Horizon 2020
British Columbia Knowledge Development Fund
Ministry of Education, Culture, Sports, Science and Technology
National Natural Science Foundation of China
Not addedST/J005533/1, ST/K001310/1, ST/L006162/1, ST/N000447/1, ST/J004804/1, ST/M000753/1, ST/N000307/1, ST/L003449/1, ST/H001158/2, ST/K001329/1, GRIDPP, ST/N000420/1
National Science Foundation1812377, 1624739
DNSRCIN2P3-CNRS

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