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Título: | Search for pairs of scalar leptoquarks decaying into quarks and electrons or muons in √s = 13 TeV pp collisions with the ATLAS detector |
Autor: | ATLAS Collaboration; Aparisi Pozo, J.A.; Bailey, A.J.; Cabrera, Susana CSIC ORCID; Castillo, F.L.; Castillo Mª Victoria; Castillo Mª Victoria; Escobar, Carlos CSIC ORCID ; Estrada, Oscar; Ferrer, Antonio CSIC ORCID; Fiorini, L. CSIC ORCID; Fullana, Esteban CSIC ORCID; Fuster, Juan CSIC ORCID; García García, Carmen CSIC ORCID; García Navarro, José Enrique CSIC ORCID; González de la Hoz, Santiago CSIC ORCID CVN; Gonzalvo Rodríguez, Galo Rafael; Guerrero Rojas, J.G.R.; Higón, Emilio CSIC ORCID; Lacasta Llácer, Carlos CSIC ORCID ; Lozano Bahilo, José J.; Madaffari, Daniele CSIC ORCID; Mamuzic, Judita; Martí García, Salvador; Martinez Agullo, Pablo; Mitsou, Vasiliki A. CSIC ORCID ; Moreno Llácer, María CSIC ORCID; Poveda, Joaquín CSIC ORCID; Prades Ibañez, Alberto; Rodriguez Bosca, S.; Ruiz Martínez, Arantxa CSIC ORCID; Salt, José CSIC ORCID; Santra, A; Sayago Galvan, Ivan; Soldevila, Urmila CSIC ORCID; Sánchez Martínez, Javier CSIC ORCID; Valero, Alberto CSIC ORCID; Valls Ferrer, Juan Antonio CSIC ORCID; Vos, Marcel CSIC ORCID; Torró Pastor, Emma CSIC ORCID | Fecha de publicación: | oct-2020 | Editor: | Institute of Physics Publishing | Citación: | Journal of High Energy Physics 2020: 112 (2020) | Resumen: | A search for new-physics resonances decaying into a lepton and a jet performed by the ATLAS experiment is presented. Scalar leptoquarks pair-produced in pp collisions at s = 13 TeV at the Large Hadron Collider are considered using an integrated luminosity of 139 fb, corresponding to the full Run 2 dataset. They are searched for in events with two electrons or two muons and two or more jets, including jets identified as arising from the fragmentation of c- or b-quarks. The observed yield in each channel is consistent with the Standard Model background expectation. Leptoquarks with masses below 1.8 TeV and 1.7 TeV are excluded in the electron and muon channels, respectively, assuming a branching ratio into a charged lepton and a quark of 100%, with minimal dependence on the quark flavour. Upper limits on the aforementioned branching ratio are also given as a function of the leptoquark mass. [Figure not available: see fulltext.] | Versión del editor: | http://dx.doi.org/10.1007/JHEP10(2020)112 | URI: | http://hdl.handle.net/10261/233105 | DOI: | 10.1007/JHEP10(2020)112 | Identificadores: | doi: 10.1007/JHEP10(2020)112 issn: 1029-8479 |
Aparece en las colecciones: | (IFIC) Artículos (IFT) Artículos |
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252_ATLAS_Sfpsc.pdf | 2,03 MB | Adobe PDF | Visualizar/Abrir |
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