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Modelling of resonances in the γp → ηπ0p reaction

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Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2022, Tutor: Vincent Mathieu

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High-energy reactions produce short-lifetime intermediate states —resonances— which can only be studied by analyzing the properties of the resulting particles of their decay.
Some mesonic resonances do not correspond to a normal q¯q system since their quantum numbers are forbidden by the current quark model, giving rise to exotic mesons. In this work, we build a model to recreate the γp → ηπ0p high-energy reaction in which an exotic meson is produced, and we include baryonic resonances to study their impact on the mesons interaction ηπ0. Our results point out that the relative contribution of baryons decreases as the photon’s energy increases

# metadata.dc.title[].value
Modelling of resonances in the γp → ηπ0p reaction