2 papers
hep-ph2025
Ordinary and exotic mesons in the extended Linear Sigma Model
Francesco Giacosa, Péter Kovács, Shahriyar Jafarzade
The extended Linear Sigma Model (eLSM) is a hadronic model based on the global symmetries of QCD and the corresponding explicit, anomalous, and spontaneous breaking patterns. In it…
hep-ph2025
Anomalous couplings and the Columbia plot
Francesco Giacosa, GyÅzÅ Kovács, Péter Kovács +2
When the quark masses are lighter than those in QCD, the standard lore is that a chiral transition of first order must emerge for three, light flavors. Recently, however, numerical…