Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/87716
Título: | Search for leptoquarks decaying into the bτ final state in pp collisions at √s = 13 TeV with the ATLAS detector |
Autor(es): | Castro, Nuno Filipe Onofre, A. ATLAS Collaboration |
Palavras-chave: | Beyond Standard Model Hadron-Hadron Scattering |
Data: | 2023 |
Editora: | Springer |
Revista: | Journal of High Energy Physics |
Citação: | Aad, G., Abbott, B., Abbott, D. C., Abeling, K., Abidi, S. H., Aboulhorma, A., . . . collaboration, A. (2023). Search for leptoquarks decaying into the bt final state in pp collisions at √s=13 TeV with the ATLAS detector. Journal of High Energy Physics(10). doi: 10.1007/jhep10(2023)001 |
Resumo(s): | A search for leptoquarks decaying into the bτ final state is performed using Run 2 proton-proton collision data from the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb −1 at s = 13 TeV recorded by the ATLAS detector. The benchmark models considered in this search are vector leptoquarks with electric charge of 2/3e and scalar leptoquarks with an electric charge of 4/3e. No significant excess above the Standard Model prediction is observed, and 95% confidence level upper limits are set on the cross-section times branching fraction of leptoquarks decaying into bτ. For the vector leptoquark production two models are considered: the Yang-Mills and Minimal coupling models. In the Yang-Mills (Minimal coupling) scenario, vector leptoquarks with a mass below 1.58 (1.35) TeV are excluded for a gauge coupling of 1.0 and below 2.05 (1.99) TeV for a gauge coupling of 2.5. In the case of scalar leptoquarks, masses below 1.28 (1.53) TeV are excluded for a Yukawa coupling of 1.0 (2.5). Finally, an interpretation of the results with minimal model dependence is performed for each of the signal region categories, and limits on the visible cross-section for beyond the Standard Model processes are provided. [Figure not available: see fulltext.]. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/87716 |
DOI: | 10.1007/jhep10(2023)001 |
ISSN: | 1126-6708 |
e-ISSN: | 1029-8479 |
Versão da editora: | https://link.springer.com/article/10.1007/JHEP10(2023)001 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | LIP - Artigos/papers |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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JHEP10(2023)001.pdf | 1,86 MB | Adobe PDF | Ver/Abrir |
Este trabalho está licenciado sob uma Licença Creative Commons