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https://hdl.handle.net/10316/108552
Título: | Identification of boosted, hadronically decaying W bosons and comparisons with ATLAS data taken at √s = 8 TeV | Autor: | Santos, S. P. Amor dos Carvalho, J. Fiolhais, M. C. N. Galhardo, B. Veloso, F. Wolters, H. ATLAS Collaboration |
Data: | 2016 | Editora: | Springer Nature | Título da revista, periódico, livro ou evento: | European Physical Journal C | Volume: | 76 | Número: | 3 | Resumo: | This paper reports a detailed study of techniques for identifying boosted, hadronically decaying W bosons using 20.3 fb (Formula presented.) of proton–proton collision data collected by the ATLAS detector at the LHC at a centre-of-mass energy (Formula presented.). A range of techniques for optimising the signal jet mass resolution are combined with various jet substructure variables. The results of these studies in Monte Carlo simulations show that a simple pairwise combination of groomed jet mass and one substructure variable can provide a 50 % efficiency for identifying W bosons with transverse momenta larger than 200 GeV while maintaining multijet background efficiencies of 2–4 % for jets with the same transverse momentum. These signal and background efficiencies are confirmed in data for a selection of tagging techniques. | URI: | https://hdl.handle.net/10316/108552 | DOI: | 10.1140/epjc/s10052-016-3978-z | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Física - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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Identification-of-boosted-hadronically-decaying-W-bosons-and-comparisons-with-ATLAS-data-taken-at-s--8TeVEuropean-Physical-Journal-C.pdf | 4.08 MB | Adobe PDF | Ver/Abrir |
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