Di-boson signatures as standard candles for partial compositeness
(2017) In Journal of High Energy Physics 2017(1).- Abstract
Composite Higgs Models are often constructed including fermionic top partners with a mass around the TeV scale, with the top partners playing the role of stabilizing the Higgs potential and enforcing partial compositeness for the top quark. A class of models of this kind can be formulated in terms of fermionic strongly coupled gauge theories. A common feature they all share is the presence of specific additional scalar resonances, namely two neutral singlets and a colored octet, described by a simple effective Lagrangian. We study the phenomenology of these scalars, both in a model independent and model dependent way, including the bounds from all the available searches in the relevant channels with di-boson and di-top final states. We... (More)
Composite Higgs Models are often constructed including fermionic top partners with a mass around the TeV scale, with the top partners playing the role of stabilizing the Higgs potential and enforcing partial compositeness for the top quark. A class of models of this kind can be formulated in terms of fermionic strongly coupled gauge theories. A common feature they all share is the presence of specific additional scalar resonances, namely two neutral singlets and a colored octet, described by a simple effective Lagrangian. We study the phenomenology of these scalars, both in a model independent and model dependent way, including the bounds from all the available searches in the relevant channels with di-boson and di-top final states. We develop a generic framework which can be used to constrain any model containing pseudo-scalar singlets or octets. Using it, we find that such signatures provide strong bounds on the compositeness scale complementary to the traditional EWPT and Higgs couplings deviations. In many cases a relatively light scalar can be on the verge of discovery as a first sign of new physics.
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- author
- Belyaev, Alexander S. ; Cacciapaglia, Giacomo ; Cai, Haiying ; Ferretti, Gabriele ; Flacke, Thomas ; Parolini, Alberto and Serodio, Hugo LU
- organization
- publishing date
- 2017-01-01
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Beyond Standard Model, Global Symmetries, Sigma Models, Technicolor and Composite Models
- in
- Journal of High Energy Physics
- volume
- 2017
- issue
- 1
- article number
- 94
- publisher
- Springer
- external identifiers
-
- wos:000393672100003
- scopus:85011371494
- ISSN
- 1029-8479
- DOI
- 10.1007/JHEP01(2017)094
- language
- English
- LU publication?
- yes
- id
- 81eec06d-d90d-4b42-a0c8-107b84e24d79
- date added to LUP
- 2017-02-16 07:59:52
- date last changed
- 2024-03-31 00:47:55
@article{81eec06d-d90d-4b42-a0c8-107b84e24d79,
abstract = {{<p>Composite Higgs Models are often constructed including fermionic top partners with a mass around the TeV scale, with the top partners playing the role of stabilizing the Higgs potential and enforcing partial compositeness for the top quark. A class of models of this kind can be formulated in terms of fermionic strongly coupled gauge theories. A common feature they all share is the presence of specific additional scalar resonances, namely two neutral singlets and a colored octet, described by a simple effective Lagrangian. We study the phenomenology of these scalars, both in a model independent and model dependent way, including the bounds from all the available searches in the relevant channels with di-boson and di-top final states. We develop a generic framework which can be used to constrain any model containing pseudo-scalar singlets or octets. Using it, we find that such signatures provide strong bounds on the compositeness scale complementary to the traditional EWPT and Higgs couplings deviations. In many cases a relatively light scalar can be on the verge of discovery as a first sign of new physics.</p>}},
author = {{Belyaev, Alexander S. and Cacciapaglia, Giacomo and Cai, Haiying and Ferretti, Gabriele and Flacke, Thomas and Parolini, Alberto and Serodio, Hugo}},
issn = {{1029-8479}},
keywords = {{Beyond Standard Model; Global Symmetries; Sigma Models; Technicolor and Composite Models}},
language = {{eng}},
month = {{01}},
number = {{1}},
publisher = {{Springer}},
series = {{Journal of High Energy Physics}},
title = {{Di-boson signatures as standard candles for partial compositeness}},
url = {{http://dx.doi.org/10.1007/JHEP01(2017)094}},
doi = {{10.1007/JHEP01(2017)094}},
volume = {{2017}},
year = {{2017}},
}