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Abstract:

Using data recorded in 2011 with the ATLAS detector at the Large Hadron Collider, a search for evidence of extra spatial dimensions has been performed through an analysis of the diphoton final state. The analysis uses data corresponding to an integrated luminosity of 2.12fb -1 of s=7TeV proton-proton collisions. The diphoton invariant mass (m γγ ) spectrum is observed to be in good agreement with the expected Standard Model background. In the large extra dimension scenario of Arkani-Hamed, Dimopoulos and Dvali, the results provide 95% CL lower limits on the fundamental Planck scale between 2.27 and 3.53 TeV, depending on the number of extra dimensions and the theoretical formalism used. The results also set 95% CL lower limits on the lightest Randall-Sundrum graviton mass of between 0.79 and 1.85 TeV, for values of the dimensionless coupling k/ -1 Pl varying from 0.01 to 0.1. Combining with previously published ATLAS results from the dielectron and dimuon final states, the 95% CL lower limit on the Randall-Sundrum graviton mass for k/M -1 Pl=0.01 (0.1) is 0.80 (1.95) TeV. © 2012 CERN.

Registro:

Documento: Artículo
Título:Search for extra dimensions using diphoton events in 7 TeV proton-proton collisions with the ATLAS detector
Autor:Aad, G. et al.
Este artículo contiene 3035 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 3035 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2012
Volumen:710
Número:4-5
Página de inicio:538
Página de fin:556
DOI: http://dx.doi.org/10.1016/j.physletb.2012.03.022
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_p538_Aad

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Citas:

---------- APA ----------
(2012) . Search for extra dimensions using diphoton events in 7 TeV proton-proton collisions with the ATLAS detector. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 710(4-5), 538-556.
http://dx.doi.org/10.1016/j.physletb.2012.03.022
---------- CHICAGO ----------
Aad, G. "Search for extra dimensions using diphoton events in 7 TeV proton-proton collisions with the ATLAS detector" . Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 710, no. 4-5 (2012) : 538-556.
http://dx.doi.org/10.1016/j.physletb.2012.03.022
---------- MLA ----------
Aad, G. "Search for extra dimensions using diphoton events in 7 TeV proton-proton collisions with the ATLAS detector" . Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 710, no. 4-5, 2012, pp. 538-556.
http://dx.doi.org/10.1016/j.physletb.2012.03.022
---------- VANCOUVER ----------
Aad, G. Search for extra dimensions using diphoton events in 7 TeV proton-proton collisions with the ATLAS detector. Phys Lett Sect B Nucl Elem Part High-Energy Phys. 2012;710(4-5):538-556.
http://dx.doi.org/10.1016/j.physletb.2012.03.022