Search for Heavy Higgs Bosons Decaying into Two Tau Leptons with the ATLAS Detector Using pp Collisions at s =13 TeV

A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139 fb-1 of proton-proton collisions at s=13 TeV recorded with the ATLAS detector. The search for heavy resonances is performed over the mass range 0.2-2.5 TeV for the τ+τ-deca...

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Detalles Bibliográficos
Autores: ATLAS Collaboration, Aparisi Pozo, J.A., Bailey, A.J., Cabrera, Susana, Castillo, F.L., Castillo Gimenez, M. V., Cerda Alberich, L., Costa, María José, Escobar, Carlos, Estrada, Oscar, Ferrer, Antonio, Fiorini, L., Fuster, Juan, Fullana, Esteban, García García, Carmen, García Navarro, José Enrique, González de la Hoz, Santiago, Guerrero Rojas, J.G.R., Gonzalvo Rodríguez, Galo Rafael, Higón, Emilio, Lozano Bahilo, José J., Lacasta Llácer, Carlos, Mamuzic, Judita, Madaffari, Daniele, Martí García, Salvador, Miñano Moya, M., Moreno Llácer, María, Rodriguez Bosca, S., Rodriguez Rodriguez, D., Ruiz Martínez, Arantxa, Salt, José, Santra, A., Soldevila, Urmila, Sánchez Martínez, Javier, Valls Ferrer, Juan Antonio, Valero, Alberto, Vos, Marcel
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/233341
Acceso en línea:http://hdl.handle.net/10261/233341
Access Level:acceso abierto
Palabra clave:ddc:530
Descripción
Sumario:A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139 fb-1 of proton-proton collisions at s=13 TeV recorded with the ATLAS detector. The search for heavy resonances is performed over the mass range 0.2-2.5 TeV for the τ+τ-decay with at least one τ-lepton decaying into final states with hadrons. The data are in good agreement with the background prediction of the standard model. In the Mh125 scenario of the minimal supersymmetric standard model, values of tanβ>8 and tanβ>21 are excluded at the 95% confidence level for neutral Higgs boson masses of 1.0 and 1.5 TeV, respectively, where tanβ is the ratio of the vacuum expectation values of the two Higgs doublets.