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Journals and Conferences
We discuss the η-η ′ mixing in the Extended Linear Sigma Model (eLSM).
We present an in-depth study of masses and decays of excited scalar and pseudoscalar [Formula: see text] states in the Extended Linear Sigma Model (eLSM). The model also contains ground-state scalar,… (More)
We discuss our results on scalar glueball decay in the top-do wn holographic Witten-SakaiSugimoto model for low-energy QCD and compare with availabl e experimental data, which appear to disfavor the… (More)
We calculate pion-pion scattering lengths and sigma, rho an d a1 decay widths from a gauged linear sigma model with two flavours and its globally i nvariant generalisation.
The structure of the scalar mesons has been a subject of debat e for many decades. In this work we look for ̄ qq states among the physical resonances using an extended Line ar Sigma Model that… (More)
The so-called extended linear sigma model is a chiral model with (pseudo)scalar and (axial)vector mesons. It is based on the requirements of (global) chiral symmetry and dilatation invariance. The… (More)
We calculate low-energy meson decay processes and pion-pion scattering lengths in a two-flavour linear sigma model with global chiral symmetry, exploring the scenario in which the scalar mesons f 0… (More)
We address the question whether it is possible to interpret the low-lying scalar mesons f 0 (600) and a 0 (980) as ¯ qq states within a U(3) × U(3) Linear Sigma Model containing vector and… (More)