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Abstract:

A search for nonresonant new phenomena, originating from either contact interactions or large extra spatial dimensions, has been carried out using events with two isolated electrons or muons. These events, produced at the LHC in proton-proton collisions at √s=7 TeV, were recorded by the ATLAS detector. The data sample, collected throughout 2011, corresponds to an integrated luminosity of 4.9 and 5.0 fb - 1 in the e + e - and μ + μ - channels, respectively. No significant deviations from the Standard Model expectation are observed. Using a Bayesian approach, 95% confidence level lower limits ranging from 9.0 to 13.9 TeV are placed on the energy scale of ℓℓqq contact interactions in the left-left isoscalar model. Lower limits ranging from 2.4 to 3.9 TeV are also set on the string scale in large extra dimension models. After combining these limits with results from a similar search in the diphoton channel, slightly more stringent limits are obtained. © 2013 CERN

Registro:

Documento: Artículo
Título:Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector
Autor:Aad, G. et al.
Este artículo contiene 2909 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2909 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2013
Volumen:87
Número:1
DOI: http://dx.doi.org/10.1103/PhysRevD.87.015010
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v87_n1_p_Aad

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Citas:

---------- APA ----------
(2013) . Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector. Physical Review D - Particles, Fields, Gravitation and Cosmology, 87(1).
http://dx.doi.org/10.1103/PhysRevD.87.015010
---------- CHICAGO ----------
Aad, G. "Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector" . Physical Review D - Particles, Fields, Gravitation and Cosmology 87, no. 1 (2013).
http://dx.doi.org/10.1103/PhysRevD.87.015010
---------- MLA ----------
Aad, G. "Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 87, no. 1, 2013.
http://dx.doi.org/10.1103/PhysRevD.87.015010
---------- VANCOUVER ----------
Aad, G. Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector. Phys Rev D Part Fields Gravit Cosmol. 2013;87(1).
http://dx.doi.org/10.1103/PhysRevD.87.015010