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The polehunter: searching (exotic) resonances in the hadron spectrum
20 Feb 2019 - 11:15
Villa Tambosi 2nd Floor, Seminar Room
Quantum Chromodynamics is universally acknowledged as the theory of strong interactions. However, the way how the fundamental constituents (quark and gluons) arrange themselves into the hadrons that are actually observed in experiments, is still a mystery. Even at a phenomenological level, the presence of
multiple overlapping states leads to intricate interference patterns that make the extraction of meaningful information complicated. This is even more true for the exotic candidates, which do not fulfill the simple quark model paradigm. I will show some recent developments in amplitude analysis that allowed us to solve a longstanding puzzle about the hybrid mesons. I will also discuss how to analyze 3-body decays, and show some results about the axial sector.