English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/5537
logo share SHARE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:


The Higgs as a Portal to Plasmon-like Unparticle Excitations

AuthorsDelgado, Antonio; Espinosa, José Ramón ; No Redondo, José Miguel ; Quirós, Mariano
KeywordsBeyond Standard Model
Higgs Physics
High Energy Physics - Phenomenology
Issue Date19-Feb-2008
PublisherInstitute of Physics Publishing
CitationarXiv:0802.2680v1 [hep-ph]
AbstractA renormalizable coupling between the Higgs and a scalar unparticle operator O_U of non-integer dimension d_U<2 triggers, after electroweak symmetry breaking, an infrared divergent vacuum expectation value for O_U. Such IR divergence should be tamed before any phenomenological implications of the Higgs-unparticle interplay can be drawn. In this paper we present a novel mechanism to cure that IR divergence through (scale-invariant) unparticle self-interactions, which has properties qualitatively different from the mechanism considered previously. Besides finding a mass gap in the unparticle continuum we also find an unparticle pole reminiscent of a plasmon resonance. Such unparticle features could be explored experimentally through their mixing with the Higgs boson.
Description12 LaTeX pages, 2 figures.-- Published in: JHEP04(2008)028.-- Final full-text version available at: http://dx.doi.org/10.1088/1126-6708/2008/04/028.
Appears in Collections:(IFT) Artículos
Files in This Item:
File Description SizeFormat 
0802.2680v1.pdf140,8 kBAdobe PDFThumbnail
Show full item record
Review this work

Related articles:

WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.