# 19th International Conference on Hadron Spectroscopy and Structure in memoriam Simon Eidelman

26-31 July 2021
Mexico City
Mexico/General timezone
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# Contribution Parallel

Mexico City -
Hadrons in Hot and Nuclear Environment Including Hypernuclei

# $\Upsilon$} and \boldmath{$\eta_b$} mass shifts in nuclear matter and the nucleus bound states

## Speakers

• Guilherme ZEMINIANI

## Abstract

We estimate for the first time the mass shifts (scalar potentials) in symmetric nuclear matter of the $\Upsilon$ and $\eta_b$ mesons using an effective Lagrangian approach, as well as the in-medium mass of the $B^*$ meson by the quark-meson coupling model. The attractive potentials of both $\Upsilon$ and $\eta_b$ are expected to be strong enough for these mesons to be bound in various nuclei, and we have obtained such nuclear bound state energies.