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https://hdl.handle.net/10316/105026
Título: | A search for the decays of stopped long-lived particles at ps = 13 TeV with the ATLAS detector | Autor: | Fiolhais, M. C. N. Gonçalo, R. Veloso, F. Wolters, H. ATLAS Collaboration |
Palavras-chave: | Hadron-Hadron scattering (experiments) | Data: | Jul-2021 | Editora: | Springer Nature | Título da revista, periódico, livro ou evento: | Journal of High Energy Physics | Volume: | 2021 | Número: | 7 | Resumo: | A search for long-lived particles, which have come to rest within the ATLAS detector, is presented. The subsequent decays of these particles can produce high-momentum jets, resulting in large out-of-time energy deposits in the ATLAS calorimeters. These decays are detected using data collected during periods in the LHC bunch structure when collisions are absent. The analysed dataset is composed of events from proton-proton collisions produced by the Large Hadron Collider at a centre-of-mass energy of p s = 13TeV and recorded by the ATLAS experiment during 2017 and 2018. The dataset used for this search corresponds to a total live time of 579 hours. The results of this search are used to derive lower limits on the mass of gluino R-hadrons, assuming a branching fraction B(˜g ! q¯q ˜ 01 ) = 100%, with masses of up to 1.4TeV excluded for gluino lifetimes of 10−5 to 103 s. | URI: | https://hdl.handle.net/10316/105026 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Física - Artigos em Revistas Internacionais |
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A-search-for-the-decays-of-stopped-longlived-particles-at-s--13-TeV-with-the-ATLAS-detectorJournal-of-High-Energy-Physics.pdf | 4.38 MB | Adobe PDF | Ver/Abrir |
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