Würzburg 2018 – scientific programme

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T: Fachverband Teilchenphysik

T 47: Eingeladene Vorträge II

T 47.5: Semi-Invited Talk

Wednesday, March 21, 2018, 15:36–16:00, Z6 - HS 0.002

Proton-lead and lead-lead collisions with LHCb — •Michael Winn — Laboratoire de l'accélérateur linéaire, Orsay, France

The LHCb experiment allows to study heavy-ion interactions in the forward region with a fully instrumented spectrometer, a unique opportunity at the LHC. In proton-lead collisions, both forward and backward rapidities are covered thanks to beam direction reversal. Recent results include measurements of cross sections, nuclear modification factors and forward-backward ratios for heavy quarkonia states, open heavy-flavour hadrons including baryons and dihadron correlations. These quantities are sensitive probes for nuclear effects in proton-nucleus collisions. Strong nuclear modifications are observed in particular at low Bjorken-x and constitute an important basis for the understanding of nucleus-nucleus collisions. In 2015, LHCb participated successfully for the first time in the lead-lead data-taking. The status of analyses in this collision system will be shown. Finally, an outlook for future opportunities with LHCb in heavy-ion collisions will be given.