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Drell-Yan production at the LHC in a four site Higgsless model

Accomando, Elena, De Curtis, Stefania, Dominici, Daniele and Fedeli, Luca (2009) Drell-Yan production at the LHC in a four site Higgsless model Physical Review D, 79, (5), 055020-[20 pages]. (doi:10.1103/PhysRevD.79.055020).

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We consider a four site Higgsless model based on the $SU(2)_L\times SU(2)_1\times SU(2)_2\times U(1)_Y$ gauge symmetry, which predicts two neutral and four charged extra gauge bosons, $Z_{1,2}$ and $W^\pm_{1,2}$. We compute the properties of the new particles, and derive indirect and direct limits on their masses and couplings from LEP and Tevatron data. In contrast to other Higgsless models, characterized by fermiophobic extra gauge bosons, here sizeable fermion-boson couplings are allowed by the electroweak precision data. The prospects of detecting the new predicted particles in the favoured Drell-Yan channel at the LHC are thus investigated. The outcome is that all six extra gauge bosons could be discovered in the early stage of the LHC low-luminosity run.

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Published date: 25 March 2009


Local EPrints ID: 154355
ISSN: 1550-7998
PURE UUID: db266516-4298-437a-b351-bd5b6352a3ad

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Date deposited: 25 May 2010 09:09
Last modified: 18 Jul 2017 12:47

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Author: Elena Accomando
Author: Stefania De Curtis
Author: Daniele Dominici
Author: Luca Fedeli

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