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Resumming QCD vacuum fluctuations in three-flavour Chiral Perturbation Theory
S. Descotes-Genon, N. H. Fuchs, L. Girlanda +1
Due to its light mass of order Lambda_QCD, the strange quark can play a special role in Chiral Symmetry Breaking (ChSB): differences in the pattern of ChSB in the limits N_f=2 (m_u…
pi K scattering inputs to ChPT
S. Descotes-Genon, P. Buttiker, B. Moussallam
Experimental information on low energy scattering would shed light on the poorly known OZI suppressed sector of ChPT. I describe recent work aimed at generating such informati…
A new analysis of scattering from Roy and Steiner type equations
P. Büttiker, S. Descotes-Genon, B. Moussallam
With the aim of generating new constraints on the OZI suppressed couplings of chiral perturbation theory a set of six equations of the Roy and Steiner type for the - and -wav…