Quarkonium interactions with (hot) hadronic matter

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 ${\rm Y}$ 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.

arXiv comment11 pages, 7 Figures. To appear in European Physical Journal A

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Cited by in corpus (1)

• Dissociation Cross Sections of Large-Momentum Charmonia with Light Mesons in Hadronic Matter