Search for W′ → tb decays in the hadronic final state using pp collisions at √s=13TeV with the ATLAS detector

M Aaboud; G Aad; B Abbott; O Abdinov; B Abeloos; SH Abidi; OS AbouZeid; NL Abraham; H Abramowicz; H Abreu; Y Abulaiti; BS Acharya; S Adachi; L Adamczyk; J Adelman; M Adersberger; A Adiguzel; T Adye; AA Affolder; Y Afik; C Agheorghiesei; JA Aguilar-Saavedra; SP Ahlen; F Ahmadov; G Aielli; S Akatsuka; TPA Åkesson; E Akilli; AV Akimov; GL Alberghi; J Albert; P Albicocco; MJ Alconada Verzini; S Alderweireldt; M Aleksa; IN Aleksandrov; C Alexa; G Alexander; T Alexopoulos; M Alhroob; B Ali; M Aliev; G Alimonti; J Alison; SP Alkire; C Allaire; BMM Allbrooke; BW Allen; PP Allport; A Aloisio; A Alonso; F Alonso; C Alpigiani; AA Alshehri; MI Alstaty; B Alvarez Gonzalez; D Álvarez Piqueras; MG Alviggi; BT Amadio; Y Amaral Coutinho; L Ambroz; C Amelung; D Amidei; SP Amor Dos Santos; S Amoroso; CS Amrouche; C Anastopoulos; LS Ancu; N Andari; T Andeen; CF Anders; JK Anders; KJ Anderson; A Andreazza; V Andrei; S Angelidakis; I Angelozzi; A Angerami; AV Anisenkov; A Annovi; C Antel; MT Anthony; M Antonelli; DJA Antrim; F Anulli; M Aoki; L Aperio Bella; G Arabidze; Y Arai; JP Araque; V Araujo Ferraz; R Araujo Pereira; ATH Arce; RE Ardell; FA Arduh; JF Arguin; S Argyropoulos; AJ Armbruster; LJ Armitage; O Arnaez

Journal article

Search for W′ → tb decays in the hadronic final state using pp collisions at √s=13TeV with the ATLAS detector

M Aaboud, G Aad, B Abbott, O Abdinov, B Abeloos, SH Abidi, OS AbouZeid, NL Abraham, H Abramowicz, H Abreu, Y Abulaiti, BS Acharya, S Adachi, L Adamczyk, J Adelman, M Adersberger, A Adiguzel, T Adye, AA Affolder, Y Afik Show all

Physics Letters Section B Nuclear Elementary Particle and High Energy Physics | ELSEVIER | Published : 2018

DOI: 10.1016/j.physletb.2018.03.036

Open access

Abstract

A search for W′-boson production in the W′→tb¯→qq¯′bb¯ decay channel is presented using 36.1fb−1 of 13 TeV proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The search is interpreted in terms of both a left-handed and a right-handed chiral W′ boson within the mass range 1–5 TeV. Identification of the hadronically decaying top quark is performed using jet substructure tagging techniques based on a shower deconstruction algorithm. No significant deviation from the Standard Model prediction is observed and the results are expressed as upper limits on the W′→tb¯ production cross-section times branching ratio as a function of the W′-boson ..

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University of Melbourne Researchers

Elisabetta Barberio Author

Federico Scutti Author

G. N. Taylor Author

Phillip Urquijo Author

Grants

Awarded by Departamento Administrativo de Ciencia, Tecnología e Innovación

Funding Acknowledgements

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 MIA, 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 Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region 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.r 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. [78].