Search for the direct production of charginos and neutralinos in final states with tau leptons in √s = 13 TeV pp collisions with the ATLAS detector

A search for the direct production of charginos and neutralinos in final states with at least two hadronically decaying tau leptons is presented. The analysis uses a dataset of pp collisions corresponding to an integrated luminosity of 36.1 fb-1, recorded with the ATLAS detector at the Large Hadron...

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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:
Ciencias Exactas
Física
Partículas Elementales
supersymmetry
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/82852
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-82852
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
Partículas Elementales
supersymmetry
spellingShingle Ciencias Exactas
Física
Partículas Elementales
supersymmetry
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 the direct production of charginos and neutralinos in final states with tau leptons in √s = 13 TeV pp collisions with the ATLAS detector
topic_facet Ciencias Exactas
Física
Partículas Elementales
supersymmetry
description A search for the direct production of charginos and neutralinos in final states with at least two hadronically decaying tau leptons is presented. The analysis uses a dataset of pp collisions corresponding to an integrated luminosity of 36.1 fb-1, recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 13 TeV. No significant deviation from the expected Standard Model background is observed. Limits are derived in scenarios of χ˜1+ χ˜1- pair production and of χ˜±1 χ˜02 and χ˜+1 χ˜-1 production in simplified models where the neutralinos and charginos decay solely via intermediate left-handed staus and tau sneutrinos, and the mass of the ˜L state is set to be halfway between the masses of the χ˜±1 and the χ˜01. Chargino masses up to 630 GeV are excluded at 95% confidence level in the scenario of direct production of χ˜±1 χ˜-1 for a massless χ˜01. Common χ˜±1 and χ˜02 masses up to 760 GeV are excluded in the case of production of χ˜±1 χ˜02 and χ˜+1 χ˜-1 assuming a massless χ˜±1. Exclusion limits for additional benchmark scenarios with large and small mass-splitting between the χ˜±1 and the χ˜01 are also studied by varying the ˜L mass between the masses of the χ˜±1 and the χ˜01.
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 the direct production of charginos and neutralinos in final states with tau leptons in √s = 13 TeV pp collisions with the ATLAS detector
title_short Search for the direct production of charginos and neutralinos in final states with tau leptons in √s = 13 TeV pp collisions with the ATLAS detector
title_full Search for the direct production of charginos and neutralinos in final states with tau leptons in √s = 13 TeV pp collisions with the ATLAS detector
title_fullStr Search for the direct production of charginos and neutralinos in final states with tau leptons in √s = 13 TeV pp collisions with the ATLAS detector
title_full_unstemmed Search for the direct production of charginos and neutralinos in final states with tau leptons in √s = 13 TeV pp collisions with the ATLAS detector
title_sort search for the direct production of charginos and neutralinos in final states with tau leptons in √s = 13 tev pp collisions with the atlas detector
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/82852
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