Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at √s = 8 TeV with the ATLAS detector

A search for a high-mass Higgs boson H is performed in the H → WW → ℓνℓν and H → WW → ℓνqq decay channels using pp collision data corresponding to an integrated luminosity of 20.3 fb−1 collected at √s=8 TeV by the ATLAS detector at the Large Hadron Collider. No evidence of a high-mass Higgs boson is...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Alconada Verzini, María Josefina, Alonso, Francisco, Arduh, Francisco Anuar, Dova, María Teresa, Monticelli, Fernando Gabriel, Wahlberg, Hernán Pablo, The ATLAS Collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2016
Materias:
Ciencias Exactas
Física
hadron-hadron scattering
standard model
Higgs physics
Higgs boson
ATLAS detector
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/79246
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-79246
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
hadron-hadron scattering
standard model
Higgs physics
Higgs boson
ATLAS detector
spellingShingle Ciencias Exactas
Física
hadron-hadron scattering
standard model
Higgs physics
Higgs boson
ATLAS detector
Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at √s = 8 TeV with the ATLAS detector
topic_facet Ciencias Exactas
Física
hadron-hadron scattering
standard model
Higgs physics
Higgs boson
ATLAS detector
description A search for a high-mass Higgs boson H is performed in the H → WW → ℓνℓν and H → WW → ℓνqq decay channels using pp collision data corresponding to an integrated luminosity of 20.3 fb−1 collected at √s=8 TeV by the ATLAS detector at the Large Hadron Collider. No evidence of a high-mass Higgs boson is found. Limits on σ H × BR(H → WW) as a function of the Higgs boson mass m H are determined in three different scenarios: one in which the heavy Higgs boson has a narrow width compared to the experimental resolution, one for a width increasing with the boson mass and modeled by the complex-pole scheme following the same behavior as in the Standard Model, and one for intermediate widths. The upper range of the search is m H = 1500 GeV for the narrow-width scenario and m H = 1000 GeV for the other two scenarios. The lower edge of the search range is 200–300 GeV and depends on the analysis channel and search scenario. For each signal interpretation, individual and combined limits from the two WW decay channels are presented. At m H = 1500 GeV, the highest-mass point tested, σ H × BR(H → WW) for a narrow-width Higgs boson is constrained to be less than 22 fb and 6.6 fb at 95% CL for the gluon fusion and vector-boson fusion production modes, respectively.
format Articulo
Articulo
author Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_facet Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_sort Alconada Verzini, María Josefina
title Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at √s = 8 TeV with the ATLAS detector
title_short Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at √s = 8 TeV with the ATLAS detector
title_full Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at √s = 8 TeV with the ATLAS detector
title_fullStr Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at √s = 8 TeV with the ATLAS detector
title_full_unstemmed Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at √s = 8 TeV with the ATLAS detector
title_sort search for a high-mass higgs boson decaying to a w boson pair in pp collisions at √s = 8 tev with the atlas detector
publishDate 2016
url http://sedici.unlp.edu.ar/handle/10915/79246
work_keys_str_mv AT alconadaverzinimariajosefina searchforahighmasshiggsbosondecayingtoawbosonpairinppcollisionsats8tevwiththeatlasdetector
AT alonsofrancisco searchforahighmasshiggsbosondecayingtoawbosonpairinppcollisionsats8tevwiththeatlasdetector
AT arduhfranciscoanuar searchforahighmasshiggsbosondecayingtoawbosonpairinppcollisionsats8tevwiththeatlasdetector
AT dovamariateresa searchforahighmasshiggsbosondecayingtoawbosonpairinppcollisionsats8tevwiththeatlasdetector
AT monticellifernandogabriel searchforahighmasshiggsbosondecayingtoawbosonpairinppcollisionsats8tevwiththeatlasdetector
AT wahlberghernanpablo searchforahighmasshiggsbosondecayingtoawbosonpairinppcollisionsats8tevwiththeatlasdetector
AT theatlascollaboration searchforahighmasshiggsbosondecayingtoawbosonpairinppcollisionsats8tevwiththeatlasdetector
bdutipo_str Repositorios
_version_ 1764820486415450112

Ejemplares similares