Difference: FJPPLHighEnergyPhysics (18 vs. 19)
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| > > | This project considers models that arise from a new strong interaction that can be defined in terms of a simple, confining, gauge group and a number of fundamental fermions which form bound states allowing a more fundamental explanation of weak interactions and of the Higgs sector of the Standard Model (SM). In particular we use effective field theory description of the models based on the properties of the higher-energy completion in terms of the fundamental fermions, including the masses and couplings of the light pseudo-Goldstone bosons (pNGB). Vector and fermionic composite states are also typically present. We study the implications for the LHC at its High Luminosity and High Energy extensions as well as at the ILC. Apart from the focus on discovering new particles associated to this new strong sector, small deviations in the properties of SM particles is also expected. These models, named in general “Composite Higgs models”, are analogous to QCD, and typically require numerical tools to compute masses and couplings of the bound states. Non-minimal realizations of this idea are partially discussed in the recent literature but their phenomenology at present and future colliders is not fully studied. In particular these models contain extra particle bound states, both bosons of spin 0 and 1 and fermions. These particles may be or not protected by symmetries which implies very different phenomenological expectations. The lattice simulations are quite time consuming and expensive, therefore it will not be possible to fully explore in this way all these models. Alternative methods, based on the previous collaborations of the French and Japanese group are used to explore this subject. | |||||||
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French members: * A. Deandrea*, G. Cacciapaglia, C. Cot, S. Vatani | ||||||||
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| Japanese members: M. Hashimoto, Y. Okada, D. Harada | ||||||||
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