Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7TeV collected by the ATLAS detector

This Letter describes a model-independent search for the production of new resonant states in photon+jet events in 2.11fb - 1 of proton-proton collisions at √s=7TeV. We compare the photon+jet mass distribution to a background model derived from data and find consistency with the background-only hypo...

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Detalles Bibliográficos
Autor principal: Aad, G.
Formato: JOUR
Materias:
ATLAS detectors
Background model
Branching fractions
Cross section
Gaussians
Mass distribution
Proton proton collisions
Resonant state
Photons
Tellurium compounds
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00319007_v108_n21_p_Aad
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00319007_v108_n21_p_Aad
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spelling todo:paper_00319007_v108_n21_p_Aad2023-10-03T14:42:18Z Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7TeV collected by the ATLAS detector Aad, G. ATLAS detectors Background model Branching fractions Cross section Gaussians Mass distribution Proton proton collisions Resonant state Photons Tellurium compounds This Letter describes a model-independent search for the production of new resonant states in photon+jet events in 2.11fb - 1 of proton-proton collisions at √s=7TeV. We compare the photon+jet mass distribution to a background model derived from data and find consistency with the background-only hypothesis. Given the lack of evidence for a signal, we set 95% credibility level limits on generic Gaussian-shaped signals and on a benchmark excited-quark (q * ) model, excluding 2 TeV Gaussian resonances with cross section times branching fraction times acceptance times efficiency near 5 fb and excluding q * masses below 2.46 TeV, respectively. © 2012 CERN. Published by the American Physical Society. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00319007_v108_n21_p_Aad
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic ATLAS detectors
Background model
Branching fractions
Cross section
Gaussians
Mass distribution
Proton proton collisions
Resonant state
Photons
Tellurium compounds
spellingShingle ATLAS detectors
Background model
Branching fractions
Cross section
Gaussians
Mass distribution
Proton proton collisions
Resonant state
Photons
Tellurium compounds
Aad, G.
Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7TeV collected by the ATLAS detector
topic_facet ATLAS detectors
Background model
Branching fractions
Cross section
Gaussians
Mass distribution
Proton proton collisions
Resonant state
Photons
Tellurium compounds
description This Letter describes a model-independent search for the production of new resonant states in photon+jet events in 2.11fb - 1 of proton-proton collisions at √s=7TeV. We compare the photon+jet mass distribution to a background model derived from data and find consistency with the background-only hypothesis. Given the lack of evidence for a signal, we set 95% credibility level limits on generic Gaussian-shaped signals and on a benchmark excited-quark (q * ) model, excluding 2 TeV Gaussian resonances with cross section times branching fraction times acceptance times efficiency near 5 fb and excluding q * masses below 2.46 TeV, respectively. © 2012 CERN. Published by the American Physical Society.
format JOUR
author Aad, G.
author_facet Aad, G.
author_sort Aad, G.
title Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7TeV collected by the ATLAS detector
title_short Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7TeV collected by the ATLAS detector
title_full Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7TeV collected by the ATLAS detector
title_fullStr Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7TeV collected by the ATLAS detector
title_full_unstemmed Search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7TeV collected by the ATLAS detector
title_sort search for production of resonant states in the photon-jet mass distribution using pp collisions at √s=7tev collected by the atlas detector
url http://hdl.handle.net/20.500.12110/paper_00319007_v108_n21_p_Aad
work_keys_str_mv AT aadg searchforproductionofresonantstatesinthephotonjetmassdistributionusingppcollisionsats7tevcollectedbytheatlasdetector
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