Measurements of the Higgs boson production and decay rates and coupling strengths using pp collision data at s√=7 s 7 and 8 TeV in the ATLAS experiment

 

Autores
Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Aben, R.; Alconada Verzini, María Josefina; Alonso, Francisco; Arduh, Francisco Anuar; Dova, Maria Teresa; Monticelli, Fernando Gabriel; Wahlberg, Hernan Pablo; Otero y Garzon, Gustavo Javier; Piegaia, Ricardo Nestor; Reisin, Hernan Diego; Sacerdoti, Sabrina; Zieminska, D.; Zimine, N. I.; Zimmermann, C.; Zimmermann, S.; Zinonos, Z.; Zinser, M.; Ziolkowski, M.; Živković, L.; Zobernig, G.; Zoccoli, A.; Nedden, M. zur; Zurzolo, G.; Zwalinski, L.; The ATLAS Collaboration
Tipo de recurso
artículo
Estado
Versión publicada
Año de publicación
2015
País
Argentina
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio
CONICET Digital (CONICET)
Descripción
Combined analyses of the Higgs boson production and decay rates as well as its coupling strengths to vector bosons and fermions are presented. The combinations include the results of the analyses of the H→γγ,ZZ∗,WW∗,Zγ,bb¯,ττ decay modes, and the constraints on the associated production with a pair of top quarks and on the off-shell coupling strengths of the Higgs boson. The results are based on the LHC proton-proton collision datasets, with integrated luminosities of up to 4.7 fb− recorded by the ATLAS detector in 2011 and 2012. Combining all production modes and decay channels, the measured signal yield, normalised to the Standard Model expectation, is 1.18+0.15−0.14. The observed Higgs boson production and decay rates are interpreted in a leading-order coupling framework, exploring a wide range of benchmark coupling models both with and without assumptions on the Higgs boson width and on the Standard Model particle content in loop processes. The data are found to be compatible with the Standard Model expectations for a Higgs boson at a mass of 125.36 GeV for all models considered.
Idioma
inglés
OAI Identifier
oai:ri.conicet.gov.ar:11336/53726
Enlace del recurso
http://hdl.handle.net/11336/53726
Nivel de acceso
Acceso abierto
Materia
High energy
ATLAS
Higgs boson production
Astronomía
Ciencias Físicas
CIENCIAS NATURALES Y EXACTAS