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Theoretical Physycs Group at Scuola Normale Superiore
Piazza dei Cavalieri, 7
56100 Pisa PI - Italy
ph. +39 050 509203
ph. +39 050 509111

Gautam Bhattacharyya (Saha Institute of Nuclear Physics, Kolkata)

Fine-tuning in composite Higgs models

I shall discuss how fine-tuning can be improved in composite Higgs models at the expense of going from minimal SO(5)/SO(4) to non-minimal SO(6)/SO(5) scenario. More precise measurements of the Higgs (125 GeV) production and branching ratios at LHC would further constrain this scenario and aggravate the tension with fine-tuning.