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Título: | Search for direct stau production in events with two hadronic τ-leptons in s =13 TeV pp collisions with the ATLAS detector |
Autor: | ATLAS Collaboration; Álvarez Piqueras, D. CSIC ORCID; Aparisi Pozo, J.A.; Cabrera, Susana CSIC ORCID; 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; Fuster, Juan 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; Bailey, A.J.; 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; Melini, Davide; Miñano Moya, M.; Mitsou, Vasiliki A. CSIC ORCID ; Rodriguez Bosca, S.; Rodriguez Rodriguez, D. CSIC; Ruiz Martínez, Arantxa CSIC ORCID; 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; Gonzalvo Rodríguez, Galo Rafael | Fecha de publicación: | mar-2020 | Editor: | American Physical Society | Citación: | Physical Review D 101: 032009 (2020) | Resumen: | A search for the direct production of the supersymmetric partners of τ-leptons (staus) in final states with two hadronically decaying τ-leptons is presented. The analysis uses a dataset of pp collisions corresponding to an integrated luminosity of 139 fb-1, recorded with the ATLAS detector at the Large Hadron Collider at a center-of-mass energy of 13 TeV. No significant deviation from the expected Standard Model background is observed. Limits are derived in scenarios of direct production of stau pairs with each stau decaying into the stable lightest neutralino and one τ-lepton in simplified models where the two stau mass eigenstates are degenerate. Stau masses from 120 GeV to 390 GeV are excluded at 95% confidence level for a massless lightest neutralino. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.101.032009 | URI: | http://hdl.handle.net/10261/231332 | DOI: | 10.1103/PhysRevD.101.032009 | Identificadores: | doi: 10.1103/PhysRevD.101.032009 issn: 2470-0029 |
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172_Atlas_Search.pdf | 1,04 MB | Adobe PDF | Visualizar/Abrir |
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