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Título: | Search for Higgs boson decays to a photon and a Z boson in pp collisions at √s = 7 and 8 TeV with the ATLAS detector |
Autor: | Aad, G.; Cabrera, Susana CSIC ORCID; Castillo, Mª Victoria CSIC ORCID; Costa, María José CSIC ORCID; Fassi, F. CSIC ORCID; Ferrer, Antonio CSIC ORCID; Fiorini, L. 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; Hernández Jiménez, Yesenia CSIC ORCID; Higón, Emilio CSIC ORCID; Irles Quiles, Adrián CSIC ORCID CVN ; Kaci, Mohamed CSIC; King, Margaret K.; Lacasta Llácer, Carlos CSIC ORCID ; Lacuesta, Vicente CSIC; March, Luis CSIC ORCID; Martí García, Salvador; Miñano, Mercedes CSIC ORCID; Mitsou, Vasiliki A. CSIC ORCID ; Moles Valls, Regina CSIC ORCID; Oliver García, Elena CSIC ORCID; Pedraza López, Sebastián CSIC; Pérez García-Estañ, María Teresa CSIC; Romero Adam, E. CSIC; Ros, Eduardo CSIC ORCID; Salt, José CSIC ORCID; Soldevila, Urmila CSIC ORCID; Torró Pastor, Emma CSIC ORCID; Valero, Alberto CSIC ORCID; Valladolid Gallego, Eva CSIC; Valls Ferrer, Juan Antonio CSIC ORCID; Villaplana Pérez, Miguel CSIC ORCID; Vos, Marcel CSIC ORCID; Zwalinski, L.; ATLAS Collaboration | Fecha de publicación: | 13-mar-2014 | Editor: | Elsevier | Citación: | Physics Letters - Section B 732: 8-27 (2014) | Resumen: | A search is reported for a neutral Higgs boson in the decay channel H→Zγ, Z→ℓ+ℓ− (ℓ=e,μ), using 4.5 fb−1 of pp collisions at View the MathML source and 20.3 fb−1 of pp collisions at View the MathML source, recorded by the ATLAS detector at the CERN Large Hadron Collider. The observed distribution of the invariant mass of the three final-state particles, mℓℓγ, is consistent with the Standard Model hypothesis in the investigated mass range of 120–150 GeV. For a Higgs boson with a mass of 125.5 GeV, the observed upper limit at the 95% confidence level is 11 times the Standard Model expectation. Upper limits are set on the cross section times branching ratio of a neutral Higgs boson with mass in the range 120–150 GeV between 0.13 and 0.5 pb for View the MathML source at 95% confidence level. | Descripción: | Aad, G. et al. | Versión del editor: | http://dx.doi.org/10.1016/j.physletb.2014.03.015 | URI: | http://hdl.handle.net/10261/96920 | DOI: | 10.1016/j.physletb.2014.03.015 | ISSN: | 0370-2693 |
Aparece en las colecciones: | (IFIC) Artículos |
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boson_collisions_Aad.pdf | 1,16 MB | Adobe PDF | Visualizar/Abrir |
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