Search for dijet resonances in events with an isolated charged lepton using √s=13 TeV proton-proton collision data collected by the ATLAS detector

A search for dijet resonances in events with at least one isolated charged lepon is performed using 139 fb−1 of s√ = 13 TeV proton-proton collision data recorded by the ATLAS detector at the LHC. The dijet invariant-mass (mjj) distribution constructed from events with at least one isolated electron...

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Autores principales: Alonso, Francisco, Arduh, Francisco Anuar, Dova, María Teresa, Hoya, Joaquín, Monticelli, Fernando Gabriel, Orellana, Gonzalo Enrique, Wahlberg, Hernán Pablo, The ATLAS collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2020
Materias:
Física
Exotics
Hadron-Hadron scattering (experiments)
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/124811
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-124811
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Exotics
Hadron-Hadron scattering (experiments)
spellingShingle Física
Exotics
Hadron-Hadron scattering (experiments)
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS collaboration
Search for dijet resonances in events with an isolated charged lepton using √s=13 TeV proton-proton collision data collected by the ATLAS detector
topic_facet Física
Exotics
Hadron-Hadron scattering (experiments)
description A search for dijet resonances in events with at least one isolated charged lepon is performed using 139 fb−1 of s√ = 13 TeV proton-proton collision data recorded by the ATLAS detector at the LHC. The dijet invariant-mass (mjj) distribution constructed from events with at least one isolated electron or muon is searched in the region 0.22 < mjj < 6.3 TeV for excesses above a smoothly falling background from Standard Model processes. Triggering based on the presence of a lepton in the event reduces limitations imposed by minimum transverse momentum thresholds for triggering on jets. This approach allows smaller dijet invariant masses to be probed than in inclusive dijet searches, targeting a variety of new-physics models, for example ones in which a new state is produced in association with a leptonically decaying W or Z boson. No statistically significant deviation from the Standard Model background hypothesis is found. Limits on contributions from generic Gaussian signals with widths ranging from that determined by the detector resolution up to 15% of the resonance mass are obtained for dijet invariant masses ranging from 0.25 TeV to 6 TeV. Limits are set also in the context of several scenarios beyond the Standard Model, such as the Sequential Standard Model, a technicolor model, a charged Higgs boson model and a simplified Dark Matter model.
format Articulo
Articulo
author Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS collaboration
author_facet Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Hoya, Joaquín
Monticelli, Fernando Gabriel
Orellana, Gonzalo Enrique
Wahlberg, Hernán Pablo
The ATLAS collaboration
author_sort Alonso, Francisco
title Search for dijet resonances in events with an isolated charged lepton using √s=13 TeV proton-proton collision data collected by the ATLAS detector
title_short Search for dijet resonances in events with an isolated charged lepton using √s=13 TeV proton-proton collision data collected by the ATLAS detector
title_full Search for dijet resonances in events with an isolated charged lepton using √s=13 TeV proton-proton collision data collected by the ATLAS detector
title_fullStr Search for dijet resonances in events with an isolated charged lepton using √s=13 TeV proton-proton collision data collected by the ATLAS detector
title_full_unstemmed Search for dijet resonances in events with an isolated charged lepton using √s=13 TeV proton-proton collision data collected by the ATLAS detector
title_sort search for dijet resonances in events with an isolated charged lepton using √s=13 tev proton-proton collision data collected by the atlas detector
publishDate 2020
url http://sedici.unlp.edu.ar/handle/10915/124811
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