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arXiv · 2104.13737

Quarkonium interactions with (hot) hadronic matter

Luciano M. Abreu·Hildeson P. L. Vieira
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Abstract

In this work, we present an updated study about the interactions of quarkonia with surrounding hadronic medium. The meson-meson interactions are described with a chiral effective Lagrangian within the framework of unitarized coupled channel amplitudes. In particular, we extend a previous work performed in the charmonium sector by calculating the cross-sections for $\Upsilon$ scattering by light pseudoscalar mesons ($\pi, K, \eta$) and vector mesons ($\rho, K^\ast, \omega$). We evaluate the relevant channels and compare the results with existing literature. The analysis is completed by including the finite-temperature effects in the unitarized scattering amplitudes for both quarkonium and bottomonium sectors.

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Luciano M. Abreu, Hildeson P. L. Vieira. 2021-04-28. Quarkonium interactions with (hot) hadronic matter. https://doi.org/10.1140/epja%2Fs10050-021-00478-9

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