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Título: | Search for the Higgs boson decays H → ee and H → eμ in pp collisions at s=13TeV with the ATLAS detector |
Autor: | ATLAS Collaboration; Álvarez Piqueras, D. CSIC ORCID; Aparisi Pozo, J.A.; Barranco, Laura; Bailey, A.J.; Castillo, F.L.; Castillo Mª Victoria; Cerda Alberich, L.; Costa, María José CSIC ORCID; 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; Higón, Emilio CSIC ORCID; Jimenez Pena, Javier; Lozano Bahilo, José J.; Lacasta Llácer, Carlos CSIC ORCID ; Mamuzic, Judita; Madaffari, Daniele CSIC ORCID; Martí García, Salvador; Miñano Moya, M.; Melini, Davide; Mitsou, Vasiliki A. CSIC ORCID ; Rodriguez Bosca, S.; Ruiz Martínez, Arantxa CSIC ORCID; Rodriguez Rodriguez, D. CSIC; Salt, José CSIC ORCID; Santra, A; Soldevila, Urmila CSIC ORCID; Sánchez Martínez, Javier CSIC ORCID; Valero, Alberto CSIC ORCID; Valls Ferrer, Juan Antonio CSIC ORCID; Vos, Marcel CSIC ORCID; Cabrera, Susana CSIC ORCID | Fecha de publicación: | feb-2020 | Editor: | Elsevier BV | Citación: | PHYSICS LETTERS B 801: 135148 (2020) | Resumen: | Searches for the Higgs boson decays H→ee and H→eμ are performed using data corresponding to an integrated luminosity of 139fb collected with the ATLAS detector in pp collisions at s=13 TeV at the LHC. No significant signals are observed, in agreement with the Standard Model expectation. For a Higgs boson mass of 125 GeV, the observed (expected) upper limit at the 95% confidence level on the branching fraction B(H→ee) is 3.6×10 (3.5×10) and on B(H→eμ) is 6.2×10 (5.9×10). These results represent improvements by factors of about five and six on the previous best limits on B(H→ee) and B(H→eμ) respectively. | Versión del editor: | http://dx.doi.org/10.1016/j.physletb.2019.135148 | URI: | http://hdl.handle.net/10261/233997 | DOI: | 10.1016/j.physletb.2019.135148 | Identificadores: | doi: 10.1016/j.physletb.2019.135148 issn: 0370-2693 |
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