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Combined search for the Standard Model Higgs boson using up to 4.9 fb-1 of pp collision data at √(s)=7 TeV with the ATLAS detector at the LHC

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Combined search for the Standard Model Higgs boson using up to 4.9 fb-1 of pp collision data at √(s)=7 TeV with the ATLAS detector at the LHC

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dc.contributor.author	ATLAS Collaboration
dc.contributor.author	Mitsou, Vasiliki
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Cabrera Urbán, Susana
dc.contributor.author	García García, Carmen
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Ros Martínez, Eduardo
dc.contributor.author	González de la Hoz, Santiago
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Kaci, Mohammed
dc.contributor.author	Fiorini, Luca
dc.contributor.author	Hernández Jiménez, Yesenia
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Villaplana Pérez, Miguel
dc.date.accessioned	2014-06-19T07:43:10Z
dc.date.available	2014-06-19T07:43:10Z
dc.date.issued	2012
dc.identifier.citation	ATLAS Collaboration Mitsou, Vasiliki Fuster Verdú, Juan A. Ferrer Soria, Antonio Castillo Giménez, María Victoria Cabrera Urbán, Susana García García, Carmen Higón Rodríguez, Emilio Martí García, Salvador Ros Martínez, Eduardo González de la Hoz, Santiago Salt Cairols, José Valls Ferrer, Juan Antonio Kaci, Mohammed Fiorini, Luca Hernández Jiménez, Yesenia Lacasta Llácer, Carlos Villaplana Pérez, Miguel 2012 Combined search for the Standard Model Higgs boson using up to 4.9 fb-1 of pp collision data at √(s)=7 TeV with the ATLAS detector at the LHC Physics Letters B 710 1 49 66
dc.identifier.uri	http://hdl.handle.net/10550/36247
dc.description.abstract	A combined search for the Standard Model Higgs boson with the ATLAS experiment at the LHC using datasets corresponding to integrated luminosities from 1.04 fb(-1) to 4.9 fb(-1) of pp collisions collected at root s = 7 TeV is presented. The Higgs boson mass ranges 112.9-115.5 GeV, 131-238 GeV and 251-466 GeV are excluded at the 95% confidence level (CL), while the range 124-519 GeV is expected to be excluded in the absence of a signal. An excess of events is observed around m(H) similar to 126 GeV with a local significance of 3.5 standard deviations (sigma). The local significances of H -> gamma, H -> ZZ(()()) -> l(+)l(-)l'(+)l'(-) and H -> WW(()) l(+)nu l'(-)(nu) over bar, the three most sensitive channels in this mass range, are 2.8 sigma, 2.1 sigma and 1.4 sigma. respectively. The global probability for the background to produce such a fluctuation anywhere in the explored Higgs boson mass range 110-600 GeV is estimated to be similar to 1.4% or, equivalently, 2.2 sigma.
dc.relation.ispartof	Physics Letters B, 2012, vol. 710, num. 1, p. 49-66
dc.subject	Partícules (Física nuclear)
dc.subject	Acceleradors de partícules
dc.subject	Detectors de radiació
dc.subject	Col·lisions (Física nuclear)
dc.title	Combined search for the Standard Model Higgs boson using up to 4.9 fb-1 of pp collision data at √(s)=7 TeV with the ATLAS detector at the LHC
dc.type	journal article	es_ES
dc.date.updated	2014-06-19T07:43:10Z
dc.identifier.doi	10.1016/j.physletb.2012.02.044
dc.identifier.idgrec	083441
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/j.physletb.2012.02.044