Experimental constraints on heavy fermions in Higgsless models |
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Authors: | Raffaele Tito D’Agnolo |
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Institution: | 1. Scuola Normale Superiore, Piazza dei Cavalieri 7, 56126, Pisa, Italy 2. INFN Pisa, Largo Bruno Pontecorvo 3, 56126, Pisa, Italy
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Abstract: | Using an effective Lagrangian approach we analyse a generic Higgsless model with composite heavy fermions, transforming as SU(2) L+R doublets. Assuming that the Standard Model fermions acquire mass through mixing with the new heavy fermions, we constrain the free parameters of the effective Lagrangian studying Flavour Changing Neutral Current processes. In doing so we obtain bounds that can be applied to a wide range of models characterised by the same fermion mixing hypothesis. |
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