Artículo
Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb final state in pp collisions at s√=13 TeV with the ATLAS detector
Aaboud, M.; Aad, G.; Abbott, B.; Abdinov, O.; Abeloos, B.; Alconada Verzini, María Josefina
; Alonso, Francisco
; Arduh, Francisco Anuar
; Dova, Maria Teresa
; Hoya, Joaquín
; Monticelli, Fernando Gabriel
; Wahlberg, Hernan Pablo
; Bossio Sola, Jonathan David
; Daneri, María Florencia
; Devesa, Maria Roberta
; Marceca, Gino
; Otero y Garzon, Gustavo Javier
; Piegaia, Ricardo Nestor
; Sacerdoti, Sabrina
; Zinonos, Z.; Zinser, M.; Ziolkowski, M.; Živković, L.; Zobernig, G.; Zoccoli, A.; Zoch, K.; Nedden, M. zur; Zorbas, T. G.; Zou, R.; Zwalinski, L.; The ATLAS Collaboration
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Fecha de publicación:
04/2018
Editorial:
Elsevier Science
Revista:
Physics Letters B
ISSN:
0370-2693
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
A search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton–proton collisions at √ s = 13 TeV recorded in 2015 and 2016 by the ATLAS detector at the Large Hadron Collider. The search considers the Z boson decaying to electrons or muons and the H boson into a pair of b-quarks. No evidence for the production of an A boson is found. Considering each production process separately, the 95% confidencelevel upper limits on the pp → A → ZH production cross-section times the branching ratio H → bb are in the range of 14–830 fb for the gluon–gluon fusion process and 26–570 fb for the b-associated process for the mass ranges 130–700 GeV of the H boson and 230–800 GeV of the A boson. The results are interpreted in the context of two-Higgs-doublet models.
Palabras clave:
ATLAS
,
HIGH ENERGY PHYSICS
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Articulos(IFLP)
Articulos de INST.DE FISICA LA PLATA
Articulos de INST.DE FISICA LA PLATA
Citación
Aaboud, M.; Aad, G.; Abbott, B.; Abdinov, O.; Abeloos, B.; et al.; Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb final state in pp collisions at s√=13 TeV with the ATLAS detector; Elsevier Science; Physics Letters B; 783; 4-2018; 392-414
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