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https://hdl.handle.net/10316/107746
Título: | Search for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector | Autor: | Santos, S. P. Amor dos Fiolhais, M. C. N. Galhardo, B. Veloso, F. Wolters, H. ATLAS Collaboration |
Palavras-chave: | Hadron-Hadron scattering (experiments); Higgs physics | Data: | 2018 | Editora: | Springer Nature | Título da revista, periódico, livro ou evento: | Journal of High Energy Physics | Volume: | 2018 | Número: | 7 | Resumo: | A search for the exclusive decays of the Higgs and Z bosons to a ϕ or ρ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of up to 35.6 fb−1 collected at s=13 TeV with the ATLAS detector at the CERN Large Hadron Collider. These decays have been suggested as a probe of the Higgs boson couplings to light quarks. No significant excess of events is observed above the background, as expected from the Standard Model. Upper limits at 95% confidence level were obtained on the branching fractions of the Higgs boson decays to ϕγ and ργ of 4.8 × 10−4 and 8.8 × 10−4, respectively. The corresponding 95% confidence level upper limits for the Z boson decays are 0.9 × 10−6 and 25 × 10−6 for ϕγ and ργ, respectively. | URI: | https://hdl.handle.net/10316/107746 | DOI: | 10.1007/JHEP07(2018)127 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Física - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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Search-for-exclusive-Higgs-and-Z-boson-decays-to--and--with-the-ATLAS-detectorJournal-of-High-Energy-Physics.pdf | 1.38 MB | Adobe PDF | Ver/Abrir |
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