Search for new phenomena in dijet events using 37 fb<sup>-1</sup> of pp collision data collected at √s = 13 TeV with the ATLAS detector

Dijet events are studied in the proton-proton collision data set recorded at √s = 13 TeV with the ATLAS detector at the Large Hadron Collider in 2015 and 2016, corresponding to integrated luminosities of 3.5 fb<sup>-1</sup> and 33.5 fb<sup>-1</sup> respectively. Invariant mas...

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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: 2017
Materias:
Ciencias Exactas
Física
proton-proton collisions
ATLAS detector
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/87584
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-87584
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
proton-proton collisions
ATLAS detector
spellingShingle Ciencias Exactas
Física
proton-proton collisions
ATLAS detector
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 new phenomena in dijet events using 37 fb<sup>-1</sup> of pp collision data collected at √s = 13 TeV with the ATLAS detector
topic_facet Ciencias Exactas
Física
proton-proton collisions
ATLAS detector
description Dijet events are studied in the proton-proton collision data set recorded at √s = 13 TeV with the ATLAS detector at the Large Hadron Collider in 2015 and 2016, corresponding to integrated luminosities of 3.5 fb<sup>-1</sup> and 33.5 fb<sup>-1</sup> respectively. Invariant mass and angular distributions are compared to background predictions and no significant deviation is observed. For resonance searches, a new method for fitting the background component of the invariant mass distribution is employed. The data set is then used to set upper limits at a 95% confidence level on a range of new physics scenarios. Excited quarks with masses below 6.0 TeV are excluded, and limits are set on quantum black holes, heavy W′ bosons, W* bosons, and a range of masses and couplings in a Z′ dark matter mediator model. Model-independent limits on signals with a Gaussian shape are also set, using a new approach allowing factorization of physics and detector effects. From the angular distributions, a scale of new physics in contact interaction models is excluded for scenarios with either constructive or destructive interference. These results represent a substantial improvement over those obtained previously with lower integrated luminosity.
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 new phenomena in dijet events using 37 fb<sup>-1</sup> of pp collision data collected at √s = 13 TeV with the ATLAS detector
title_short Search for new phenomena in dijet events using 37 fb<sup>-1</sup> of pp collision data collected at √s = 13 TeV with the ATLAS detector
title_full Search for new phenomena in dijet events using 37 fb<sup>-1</sup> of pp collision data collected at √s = 13 TeV with the ATLAS detector
title_fullStr Search for new phenomena in dijet events using 37 fb<sup>-1</sup> of pp collision data collected at √s = 13 TeV with the ATLAS detector
title_full_unstemmed Search for new phenomena in dijet events using 37 fb<sup>-1</sup> of pp collision data collected at √s = 13 TeV with the ATLAS detector
title_sort search for new phenomena in dijet events using 37 fb<sup>-1</sup> of pp collision data collected at √s = 13 tev with the atlas detector
publishDate 2017
url http://sedici.unlp.edu.ar/handle/10915/87584
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