Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector

A search for charged Higgs bosons heavier than the top quark and decaying via H± → tb is presented. The data analysed corresponds to 36.1 fb−1 of pp collisions at √ s = 13 TeV and was recorded with the ATLAS detector at the LHC in 2015 and 2016. The production of a charged Higgs boson in association...

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Autores principales: Alconada Verzini, María Josefina, Alonso, Francisco, Arduh, Francisco Anuar, Dova, María Teresa, Hoya, Joaquín, Monticelli, Fernando Gabriel, Wahlberg, Hernán Pablo, The ATLAS Collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2018
Materias:
Física
Beyond Standard Model
Hadron-Hadron scattering (experiments)
Higgs physics
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/125978
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-125978
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Beyond Standard Model
Hadron-Hadron scattering (experiments)
Higgs physics
spellingShingle Física
Beyond Standard Model
Hadron-Hadron scattering (experiments)
Higgs physics
Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector
topic_facet Física
Beyond Standard Model
Hadron-Hadron scattering (experiments)
Higgs physics
description A search for charged Higgs bosons heavier than the top quark and decaying via H± → tb is presented. The data analysed corresponds to 36.1 fb−1 of pp collisions at √ s = 13 TeV and was recorded with the ATLAS detector at the LHC in 2015 and 2016. The production of a charged Higgs boson in association with a top quark and a bottom quark, pp → tbH±, is explored in the mass range from mH± = 200 to 2000 GeV using multi-jet final states with one or two electrons or muons. Events are categorised according to the multiplicity of jets and how likely these are to have originated from hadronisation of a bottom quark. Multivariate techniques are used to discriminate between signal and background events. No significant excess above the background-only hypothesis is observed and exclusion limits are derived for the production cross-section times branching ratio of a charged Higgs boson as a function of its mass, which range from 2.9 pb at mH± = 200 GeV to 0.070 pb at mH± = 2000 GeV. The results are interpreted in two benchmark scenarios of the Minimal Supersymmetric Standard Model.
format Articulo
Articulo
author Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_facet Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_sort Alconada Verzini, María Josefina
title Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector
title_short Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector
title_full Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector
title_fullStr Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector
title_full_unstemmed Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector
title_sort search for charged higgs bosons decaying into top and bottom quarks at √s=13 tev with the atlas detector
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/125978
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