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Título:	Bosonic quartic couplings at CERN LHC
Autor/a:	Éboli, O. J. P. (Oscar José Pinto); González García, Ma. Concepción; Lietti, S. M.
Otros autores:	Universitat de Barcelona
Abstract:	We analyze the potential of the CERN Large Hadron Collider (LHC) to study anomalous quartic vector-boson interactions Z Z gamma gamma, Z Z Z gamma, W+ W- gamma gamma, and W+ W- Z gamma through the weak boson fusion processes q q -> q q gamma gamma and q q -> q q gamma Z(-> l+ l-) with l = electron or muon. After a careful study of the backgrounds and how to extract them from the data, we show that the process p p -> j j gamma l+ l- is potentially the most sensitive to deviations from the Standard Model, improving the sensitivity to anomalous couplings by up to a factor 10^4 (10^2) with respect to the present direct (indirect) limits.
Materia(s):	-Partícules (Física nuclear) -Bosons -Acceleradors de partícules -Particles (Nuclear physics) -Bosons -Particle accelerators
Derechos:	(c) The American Physical Society, 2004
Tipo de documento:	Artículo Artículo - Versión publicada
Editor:	The American Physical Society
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