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Di-boson signatures...
Di-boson signatures as standard candles for partial compositeness
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- Belyaev, Alexander (author)
- University of Southampton,STFC Rutherford Appleton Laboratory,Rutherford Appleton Laboratory
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- Cacciapaglia, Giacomo (author)
- Institut de Physique Nucleaire de Lyon,Claude Bernard University Lyon 1
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- Cai, Haiying (author)
- Institut de Physique Nucleaire de Lyon,Claude Bernard University Lyon 1
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- Ferretti, Gabriele, 1963 (author)
- Chalmers University of Technology
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- Flacke, Thomas (author)
- Institute for Basic Science,Korea University,Institute for Basic Science, Korea
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- Parolini, Alberto (author)
- Korea University
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- Serodio, Hugo (author)
- Lund University,Lunds universitet,Teoretisk partikelfysik - Geonomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Theoretical Particle Physics - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science,Korea University
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(creator_code:org_t)
- 2017
- 2017
- English.
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In: Journal of High Energy Physics. - 1029-8479 .- 1126-6708. ; 2017:1
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Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- Technicolor and Composite Models
- Sigma Models
- Beyond Standard Model
- Global Symmetries
- Beyond Standard Model
- Global Symmetries
- Sigma Models
- Technicolor and Composite Models
Publication and Content Type
- art (subject category)
- ref (subject category)
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