Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector

A search for diphoton events with large missing transverse momentum has been performed using 1.07 fb -1 of proton-proton collision data at s=7 TeV recorded with the ATLAS detector. No excess of events was observed above the Standard Model prediction and 95% Confidence Level (CL) upper limits are set...

Descripción completa

Guardado en:
Detalles Bibliográficos
Publicado: 2012
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v710_n4-5_p519_Aad
http://hdl.handle.net/20.500.12110/paper_03702693_v710_n4-5_p519_Aad
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_03702693_v710_n4-5_p519_Aad
record_format dspace
spelling paper:paper_03702693_v710_n4-5_p519_Aad2023-06-08T15:37:03Z Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector A search for diphoton events with large missing transverse momentum has been performed using 1.07 fb -1 of proton-proton collision data at s=7 TeV recorded with the ATLAS detector. No excess of events was observed above the Standard Model prediction and 95% Confidence Level (CL) upper limits are set on the production cross section for new physics. The limits depend on each model parameter space and vary as follows: Λ<(22-129) fb in the context of a generalised model of gauge-mediated supersymmetry breaking (GGM) with a bino-like lightest neutralino, σ<(27-91) fb in the context of a minimal model of gauge-mediated supersymmetry breaking (SPS8), and σ<(15-27) fb in the context of a specific model with one universal extra dimension (UED). A 95% CL lower limit of 805 GeV, for bino masses above 50 GeV, is set on the GGM gluino mass. Lower limits of 145 TeV and 1.23 TeV are set on the SPS8 breaking scale Λ and on the UED compactification scale 1/R, respectively. These limits provide the most stringent tests of these models to date. © 2012 CERN. 2012 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v710_n4-5_p519_Aad http://hdl.handle.net/20.500.12110/paper_03702693_v710_n4-5_p519_Aad
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description A search for diphoton events with large missing transverse momentum has been performed using 1.07 fb -1 of proton-proton collision data at s=7 TeV recorded with the ATLAS detector. No excess of events was observed above the Standard Model prediction and 95% Confidence Level (CL) upper limits are set on the production cross section for new physics. The limits depend on each model parameter space and vary as follows: Λ<(22-129) fb in the context of a generalised model of gauge-mediated supersymmetry breaking (GGM) with a bino-like lightest neutralino, σ<(27-91) fb in the context of a minimal model of gauge-mediated supersymmetry breaking (SPS8), and σ<(15-27) fb in the context of a specific model with one universal extra dimension (UED). A 95% CL lower limit of 805 GeV, for bino masses above 50 GeV, is set on the GGM gluino mass. Lower limits of 145 TeV and 1.23 TeV are set on the SPS8 breaking scale Λ and on the UED compactification scale 1/R, respectively. These limits provide the most stringent tests of these models to date. © 2012 CERN.
title Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector
spellingShingle Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector
title_short Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector
title_full Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector
title_fullStr Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector
title_full_unstemmed Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector
title_sort search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 tev proton-proton collision data with the atlas detector
publishDate 2012
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v710_n4-5_p519_Aad
http://hdl.handle.net/20.500.12110/paper_03702693_v710_n4-5_p519_Aad
_version_ 1768543424370180096

Ejemplares similares