Bottomonium production at forward rapidity with ALICE at the LHC

TL;DR

This paper reports on measurements of bottomonium production at forward rapidity in various collision systems using ALICE, providing insights into QGP properties and testing QCD models of quarkonium production.

Contribution

It presents new experimental results on bottomonium production in pp, p-Pb, and Pb-Pb collisions at the LHC, comparing them with theoretical models to understand medium effects.

Findings

Bottomonium yields vary across collision systems.

Results help disentangle cold and hot nuclear matter effects.

Data serve as benchmarks for QCD quarkonium production models.

Abstract

Bottomonium production is a powerful tool to investigate hadron collisions and the properties of the medium created in heavy-ion collisions. According to the color-screening model, these mesons give important information about the deconfined medium called Quark-Gluon Plasma (QGP) produced in ultrarelativistic heavy-ion collisions. Cold nuclear matter (CNM) effects can modify the bottomonium production even in absence of deconfined matter: the study of proton-nucleus collisions is therefore essential to disentangle these effects from the hot ones. Last but not least, measurement in pp collisions serve as crucial test of different QCD models of quarkonium hadroproduction and provide the reference for the study in nucleus-nucleus collisions. In ALICE, bottomonium is measured at forward rapidity ($2.5 < y < 4$) down to zero transverse momentum, exploiting the dimuon decay channel. The latest results in pp, Pb-Pb and p-Pb collisions are discussed and compared to theoretical calculations.