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Abstract:

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.

Registro:

Documento: Artículo
Título:Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector
Autor:Aad, G. et al.
Este artículo contiene 3003 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 3003 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2012
Volumen:710
Número:4-5
Página de inicio:519
Página de fin:537
DOI: http://dx.doi.org/10.1016/j.physletb.2012.02.054
Título revista:Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Título revista abreviado:Phys Lett Sect B Nucl Elem Part High-Energy Phys
ISSN:03702693
CODEN:PYLBA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v710_n4-5_p519_Aad

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Citas:

---------- APA ----------
(2012) . Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 710(4-5), 519-537.
http://dx.doi.org/10.1016/j.physletb.2012.02.054
---------- CHICAGO ----------
Aad, G. "Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector" . Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 710, no. 4-5 (2012) : 519-537.
http://dx.doi.org/10.1016/j.physletb.2012.02.054
---------- MLA ----------
Aad, G. "Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector" . Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 710, no. 4-5, 2012, pp. 519-537.
http://dx.doi.org/10.1016/j.physletb.2012.02.054
---------- VANCOUVER ----------
Aad, G. Search for diphoton events with large missing transverse momentum in 1 fb -1 of 7 TeV proton-proton collision data with the ATLAS detector. Phys Lett Sect B Nucl Elem Part High-Energy Phys. 2012;710(4-5):519-537.
http://dx.doi.org/10.1016/j.physletb.2012.02.054