期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP01(2017)094
关键词
Technicolor and Composite Models; Beyond Standard Model; Global Symmetries; Sigma Models
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - ministry of Education, Science and Technology [2013R1A1A1062597]
- IBS [IBS-R018-D1]
- STFC [ST/L000296/1]
- NExT Institute
- Royal Society Leverhulme Trust Senior Research Fellowship [LT140094]
- Soton-FAPESP grant
- Labex-LIO (Lyon Institute of Origins) [ANR-10-LABX-66]
- FRAMA [FR3127]
- European Research Council (ERC) under the European Union [668679]
- Mainz Institute for Theoretical Physics (MITP)
- SISSA
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - ministry of Education, Science and Technology [2013R1A1A1062597]
- IBS [IBS-R018-D1]
- STFC [ST/L000296/1]
- NExT Institute
- Royal Society Leverhulme Trust Senior Research Fellowship [LT140094]
- Soton-FAPESP grant
- Labex-LIO (Lyon Institute of Origins) [ANR-10-LABX-66]
- FRAMA [FR3127]
- European Research Council (ERC) under the European Union [668679]
- Mainz Institute for Theoretical Physics (MITP)
- SISSA
- STFC [ST/L000296/1] Funding Source: UKRI
- STFC [ST/P000711/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/L000296/1, ST/P000711/1] Funding Source: researchfish
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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