Searches for supersymmetry based on events with b jets and four W bosons in pp collisions at 8 TeV

CMS Collaboration

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Five mutually exclusive searches for supersymmetry are presented based on events in which b jets and four W bosons are produced in proton–proton collisions at s=8 TeV. The data, corresponding to an integrated luminosity of 19.5 fb−1, were collected with the CMS experiment at the CERN LHC in 2012. The five studies differ in the leptonic signature from the W boson decays, and correspond to all-hadronic, single-lepton, opposite-sign dilepton, same-sign dilepton, and ≥3 lepton final states. The results of the five studies are combined to yield 95% confidence level limits for the gluino and bottom-squark masses in the context of gluino and bottom-squark pair production, respectively. In the limit when the lightest supersymmetric particle is light, gluino and bottom squark masses are excluded below 1280 and 570 GeV, respectively.

Original languageEnglish
Pages (from-to)5-28
Number of pages24
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume745
DOIs
Publication statusPublished - 18 May 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015 CERN for the benefit of the CMS Collaboration

Funding

Individuals have received support from the Marie-Curie programme and the European Research Council and EPLANET (European Union); the Leventis Foundation ; the A.P. Sloan Foundation ; the Alexander von Humboldt Foundation ; the Belgian Federal Science Policy Office ; the Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research , India; the HOMING PLUS programme of Foundation For Polish Science , cofinanced from European Union, Regional Development Fund ; the Compagnia di San Paolo (Torino); the Consorzio per la Fisica (Trieste); MIUR project 20108T4XTM (Italy); the Thalis and Aristeia programmes cofinanced by EU- ESF and the Greek NSRF ; and the National Priorities Research Program by Qatar National Research Fund . Individuals have received support from the Marie-Curie programme and the European Research Council and EPLANET (European Union); the Leventis Foundation; the A.P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS programme of Foundation For Polish Science, cofinanced from European Union, Regional Development Fund; the Compagnia di San Paolo (Torino); the Consorzio per la Fisica (Trieste); MIUR project 20108T4XTM (Italy); the Thalis and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF; and the National Priorities Research Program by Qatar National Research Fund. We congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centers and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWFW and FWF (Austria); FNRS and FWO (Belgium); CNPq , CAPES , FAPERJ , and FAPESP (Brazil); MES (Bulgaria); CERN ; CAS , MOST , and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MoER , ERC IUT and ERDF (Estonia); Academy of Finland , MEC , and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF , DFG , and HGF (Germany); GSRT (Greece); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); CINVESTAV , CONACYT , SEP , and UASLP-FAI (Mexico); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Dubna); MON , RosAtom , RAS and RFBR (Russia); MESTD (Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei); ThEPCenter , IPST , STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (USA).

FundersFunder number
Not addedST/H00081X/2
CPAN
Consorzio per la Fisica
MSES
MoER
STAR
National Science Foundation1151640, 1314131, 1306951, 1205960, 1120138, 1211067
National Institutes of Health
U.S. Department of Energy
Alfred P. Sloan Foundation
Hispanics in Philanthropy
Human Growth Foundation
Alexander von Humboldt-Stiftung
California Department of Fish and Wildlife
Ministry of Science and Technology
Compagnia di San Paolo
Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)
Children's Specialists Foundation
California Earthquake Authority
Qatar National Research Fund
Direktion für Entwicklung und Zusammenarbeit
Ministry of Education
Secretaría de Educación Pública
Türkiye Atom Enerjisi Kurumu
Santa Fe Institute
Louisiana Academy of Sciences
Rochester Academy of Science
National Research Foundation
Missouri University of Science and Technology
Medical Engineering Centre, King’s College London
College of Environmental Science and Forestry, State University of New York
CERN
University of Washington College of Arts and Sciences
Thailand Center of Excellence in Physics
Cosmetic Surgery Foundation
Institute for the Promotion of Teaching Science and Technology
Ministerstwo Obrony Narodowej
Science and Technology Facilities CouncilST/L00609X/1, ST/N000250/1, ST/J004901/1, ST/K003542/1, ST/K001256/1, ST/K003844/1, GRIDPP, ST/M005356/1, ST/I505580/1, ST/I005912/1, ST/J005665/1, ST/J50094X/1, ST/K001604/1, ST/M004775/1, ST/K001639/1, ST/L005603/1
European Commission
European Research Council
National Stroke Foundation
Department of Science and Technology, Ministry of Science and Technology, India
Council of Scientific and Industrial Research, India
Ministry of Education - Singapore
Department of Atomic Energy, Government of India
Science Foundation Ireland
Helmholtz-Gemeinschaft
Deutsche Forschungsgemeinschaft
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung153664
Fundação de Amparo à Pesquisa do Estado de São Paulo
National Natural Science Foundation of China
Research Promotion Foundation
Ministerstvo Školství, Mládeže a Tělovýchovy
National Science Council
Fundacja na rzecz Nauki Polskiej
Fundação para a Ciência e a Tecnologia
Russian Foundation for Basic Research
Eesti Teadusagentuur
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Academy of Finland
Bundesministerium für Bildung und Forschung
Chinese Academy of Sciences
Austrian Science Fund
Fonds De La Recherche Scientifique - FNRS
Russian Academy of Sciences
Belgian Federal Science Policy Office
Fonds Wetenschappelijk Onderzoek
Agentschap voor Innovatie door Wetenschap en Technologie
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture
Consejo Nacional de Ciencia y Tecnología
Ministerio de Educación, Cultura y Deporte
Ministero dell’Istruzione, dell’Università e della Ricerca20108T4XTM
Bundesministerium für Wissenschaft, Forschung und Wirtschaft
General Secretariat for Research and Technology
Ministry of Business, Innovation and Employment
Hungarian Scientific Research Fund
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Ministry of Science, ICT and Future Planning
National Research Foundation of Korea
Joint Institute for Nuclear Research
Instituto Nazionale di Fisica Nucleare
Ministry of Science ICT and Future Planning
A.G. Leventis Foundation
National Science and Technology Development Agency
Universiti Malaya
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
Ministerstwo Edukacji i Nauki
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Ministry of Science and Technology, Taiwan
National Academy of Sciences of Ukraine
Centre National de la Recherche Scientifique
European Social Fund
Universidad Autónoma de San Luis Potosí
Ministry of Education and Science
Institute for Research in Fundamental Sciences
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
Bundesministerium für Bildung und Frauen
Secretaría de Estado de Investigación, Desarrollo e Innovación
European Regional Development Fund
State Atomic Energy Corporation ROSATOM
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
Pakistan Atomic Energy Commission
State Fund for Fundamental Research of Ukraine
Department of Science and Technology, Government of West Bengal
Fundació Catalana de Trasplantament
Univerza v Mariboru
Institut National de Physique Nucléaire et de Physique des Particules

    Keywords

    • CMS
    • Physics
    • Supersymmetry

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