D-meson production in Pb–Pb collisions with ALICE at the LHC

Heavy quarks, like charm and beauty, are sensitive probes to investigate the colour-deconfined medium created in high-energy heavy-ion collisions, the Quark–Gluon Plasma (QGP). The ALICE Collaboration measured the production of D0, D+, D*+ and D+s in Pb–Pb collisions at sNN=5.02TeV. The measurement...

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Bibliographic Details
Published in:Nuclear physics. A 2021-01, Vol.1005, p.121747, Article 121747
Main Author: Trogolo, Stefano
Format: Article
Language:English
Subjects:
Charmed hadrons
Heavy-ion
Nuclear modification factor
QGP
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Summary:Heavy quarks, like charm and beauty, are sensitive probes to investigate the colour-deconfined medium created in high-energy heavy-ion collisions, the Quark–Gluon Plasma (QGP). The ALICE Collaboration measured the production of D0, D+, D*+ and D+s in Pb–Pb collisions at sNN=5.02TeV. The measurement of the nuclear modification factor (RAA) provides information on the in-medium parton energy loss. In addition, the comparison between D+s and the non-strange D-meson RAA allows to investigate possible modifications of the charm-quark hadronisation mechanism in the QGP. The most recent results for these observables, which were obtained by analysing the latest 2018 data sample of Pb–Pb collisions as well as the comparison with theoretical model calculations, are presented.
ISSN:0375-9474
DOI:10.1016/j.nuclphysa.2020.121747