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| Título: | Combined search for anomalous pseudoscalar HVV couplings in VH(H→bb‾) production and H → VV decay |
Autor: | Khachatryan, V.; Cabrillo, I. J. CSIC ORCID ; Calderon, Alicia ; Castiñeiras De Saa, J. R. CSIC; Castro Manzano, P. de CSIC ORCID; Fernández-García, Marcos CSIC ORCID ; García-Ferrero, J. CSIC ; Gómez, Gervasio CSIC ORCID ; López Virto, A. CSIC ORCID ; Marco, Jesús CSIC ORCID ; Marco, Rafael CSIC; Martínez-Rivero, Celso CSIC ORCID ; Matorras, Francisco CSIC ORCID ; Piedra, Jonatan CSIC ORCID ; Rodrigo, Teresa CSIC ORCID ; Rodríguez Marrero, Ana Y. CSIC; Ruiz Jimeno, Alberto CSIC ORCID ; Scodellaro, Luca CSIC ORCID ; Trevisani, N. CSIC ORCID ; Vila, Iván CSIC ORCID; Vilar Cortabitarte, R. CSIC ORCID | Fecha de publicación: | 2016 | Editor: | Elsevier | Citación: | Physics Letters B 759: 672-696 (2016) | Resumen: | A search for anomalous pseudoscalar couplings of the Higgs boson H to electroweak vector bosons V (=W or Z) in a sample of proton–proton collision events corresponding to an integrated luminosity of 18.9 fb−1 at a center-of-mass energy of 8 TeV is presented. Events consistent with the topology of associated VH production, where the Higgs boson decays to a pair of bottom quarks and the vector boson decays leptonically, are analyzed. The consistency of data with a potential pseudoscalar contribution to the HVV interaction, expressed by the effective pseudoscalar cross section fractions fa3, is assessed by means of profile likelihood scans. Results are given for the VH channels alone and for a combined analysis of the VH and previously published H→VV channels. Under certain assumptions, f >0.0034 is excluded at 95% confidence level in the combination. Scenarios in which these assumptions are relaxed are also considered. | Descripción: | Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics.-- CMS Collaboration: et al. | Versión del editor: | http://dx.doi.org/10.1016/j.physletb.2016.06.004 | URI: | http://hdl.handle.net/10261/140457 | DOI: | 10.1016/j.physletb.2016.06.004 | Identificadores: | doi: 10.1016/j.physletb.2016.06.004 issn: 0370-2693 e-issn: 1873-2445 |
| Aparece en las colecciones: | (IFCA) Artículos |
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| pseudoscalar HVV.pdf | 1,13 MB | Adobe PDF |  Visualizar/Abrir |
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