Search for bottom squark pair production in proton–proton collisions at √s = 13 TeV with the ATLAS detector

The result of a search for pair production of the supersymmetric partner of the Standard Model bottom quark (˜b<sub>1</sub>) is reported. The search uses 3.2 fb<sup>−1</sup> of pp collisions at √s = 13 TeV collected by the ATLAS experiment at the Large Hadron Collider in 2015...

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Autores principales: Alconada Verzini, María Josefina, Alonso, Francisco, Arduh, Francisco Anuar, Dova, María Teresa, Wahlberg, Hernán Pablo, The ATLAS Collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2016
Materias:
Ciencias Exactas
Física
quarks
supersymmetry
la̵rge hadron collider
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/81746
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-81746
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
quarks
supersymmetry
la̵rge hadron collider
spellingShingle Ciencias Exactas
Física
quarks
supersymmetry
la̵rge hadron collider
Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Wahlberg, Hernán Pablo
The ATLAS Collaboration
Search for bottom squark pair production in proton–proton collisions at √s = 13 TeV with the ATLAS detector
topic_facet Ciencias Exactas
Física
quarks
supersymmetry
la̵rge hadron collider
description The result of a search for pair production of the supersymmetric partner of the Standard Model bottom quark (˜b<sub>1</sub>) is reported. The search uses 3.2 fb<sup>−1</sup> of pp collisions at √s = 13 TeV collected by the ATLAS experiment at the Large Hadron Collider in 2015. Bottom squarks are searched for in events containing large missing transverse momentum and exactly two jets identified as originating from bquarks. No excess above the expected Standard Model background yield is observed. Exclusion limits at 95 % confidence level on the mass of the bottom squark are derived in phenomenological supersymmetric R-parity-conserving models in which the ˜b<sub>1</sub> is the lightest squark and is assumed to decay exclusively via ˜b<sub>1</sub> → b˜χ<sup>0</sup><sub>1</sub> , where ˜χ<sup>0</sup><sub>1</sub> is the lightest neutralino. The limits significantly extend previous results; bottom squark masses up to 800 (840) GeV are excluded for the ˜χ<sup>0</sup><sub>1</sub> mass below 360 (100) GeV whilst differences in mass above 100 GeV between the ˜b<sub>1</sub> and the ˜χ<sup>0</sup><sub>1</sub>are excluded up to a ˜b<sub>1</sub> mass of 500 GeV.
format Articulo
Articulo
author Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_facet Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_sort Alconada Verzini, María Josefina
title Search for bottom squark pair production in proton–proton collisions at √s = 13 TeV with the ATLAS detector
title_short Search for bottom squark pair production in proton–proton collisions at √s = 13 TeV with the ATLAS detector
title_full Search for bottom squark pair production in proton–proton collisions at √s = 13 TeV with the ATLAS detector
title_fullStr Search for bottom squark pair production in proton–proton collisions at √s = 13 TeV with the ATLAS detector
title_full_unstemmed Search for bottom squark pair production in proton–proton collisions at √s = 13 TeV with the ATLAS detector
title_sort search for bottom squark pair production in proton–proton collisions at √s = 13 tev with the atlas detector
publishDate 2016
url http://sedici.unlp.edu.ar/handle/10915/81746
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