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https://hdl.handle.net/10316/107970
Título: | Search for W′ → tb decays in the hadronic final state using pp collisions at √s=13TeV with the ATLAS detector | Autor: | Santos, S. P. Amor dos Fiolhais, M. C. N. Galhardo, B. Veloso, F. Wolters, H. ATLAS Collaboration |
Data: | 2018 | Editora: | Elsevier | Título da revista, periódico, livro ou evento: | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | Volume: | 781 | Resumo: | A search for W -boson production in the W →t¯ b→q¯q b¯ bdecay channel is presented using 36.1fb−1of 13TeV 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 →t¯ bproduction cross-section times branching ratio as a function of the W -boson mass. These limits exclude W bosons with right-handed couplings with masses below 3.0TeV and W bosons with left-handed couplings with masses below 2.9TeV, at the 95% confidence level. | URI: | https://hdl.handle.net/10316/107970 | DOI: | 10.1016/j.physletb.2018.03.036 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Física - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Search for W′ → tb decays in the hadronic final state using pp collisions at √s=13TeV with the ATLAS detector.pdf | 1.66 MB | Adobe PDF | Ver/Abrir |
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