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Charged di-boson production at the LHC in a 4-site model with a composite Higgs boson

Charged di-boson production at the LHC in a 4-site model with a composite Higgs boson
Charged di-boson production at the LHC in a 4-site model with a composite Higgs boson
We investigate the scope of the LHC in probing the parameter space of a 4-site model supplemented by one composite Higgs state, assuming all past, current and future energy and luminosity stages of the CERN machine. We concentrate on the yield of charged di-boson production giving two opposite-charge different-flavour leptons and missing (transverse) energy, i.e., events induced via the subprocess $q\bar q\to e^+\nu_e \mu^-\bar\nu_\mu$ + ${\rm{c.c.}}$, which enables the production in the intermediate step of all additional neutral and charged gauge bosons belonging to the spectrum of this model, some of which in resonant topologies. We find this channel accessible over the background at all LHC configurations after a dedicated cut-based analysis. We finally compare the yield of the di-boson mode to that of Drell-Yan processes and establish that they have complementary strengths, one covering regions of parameter space precluded to the others and vice versa.
1550-7998
115006-[19p]
Accomando, E.
8ebc75d7-bd92-4f70-a974-7bc15ebf088f
Fedeli, L.
a936e9dc-3b00-448c-a451-571e7a237583
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Curtis, S. De
f340e0be-1cb4-414c-937e-94b51e23a9d4
Dominici, D.
30759545-0fa7-4165-82b2-a0dd5a7fbd30
Accomando, E.
8ebc75d7-bd92-4f70-a974-7bc15ebf088f
Fedeli, L.
a936e9dc-3b00-448c-a451-571e7a237583
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Curtis, S. De
f340e0be-1cb4-414c-937e-94b51e23a9d4
Dominici, D.
30759545-0fa7-4165-82b2-a0dd5a7fbd30

Accomando, E., Fedeli, L., Moretti, S., Curtis, S. De and Dominici, D. (2012) Charged di-boson production at the LHC in a 4-site model with a composite Higgs boson. Physical Review D, D86, 115006-[19p]. (doi:10.1103/PhysRevD.86.115006).

Record type: Article

Abstract

We investigate the scope of the LHC in probing the parameter space of a 4-site model supplemented by one composite Higgs state, assuming all past, current and future energy and luminosity stages of the CERN machine. We concentrate on the yield of charged di-boson production giving two opposite-charge different-flavour leptons and missing (transverse) energy, i.e., events induced via the subprocess $q\bar q\to e^+\nu_e \mu^-\bar\nu_\mu$ + ${\rm{c.c.}}$, which enables the production in the intermediate step of all additional neutral and charged gauge bosons belonging to the spectrum of this model, some of which in resonant topologies. We find this channel accessible over the background at all LHC configurations after a dedicated cut-based analysis. We finally compare the yield of the di-boson mode to that of Drell-Yan processes and establish that they have complementary strengths, one covering regions of parameter space precluded to the others and vice versa.

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More information

Published date: 1 August 2012
Additional Information: 36 pages, 13 figures, 13 tables
Organisations: Theory Group, Professional Services - Registrar

Identifiers

Local EPrints ID: 356678
URI: https://eprints.soton.ac.uk/id/eprint/356678
ISSN: 1550-7998
PURE UUID: dfdc424c-863b-4e6a-9aa2-eb403a8f495d

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Date deposited: 17 Sep 2013 11:32
Last modified: 16 Jul 2019 21:23

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