Quarkonium measurements in nucleus–nucleus collisions with ALICE

Quarkonia, i.e. bound states of and quarks, are powerful observables to study the properties of nuclear matter under extreme conditions. The formation of a Quark-Gluon Plasma (QGP), which is predicted by lattice QCD calculations at high temperatures as reached at the LHC energies, has a strong influ...

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Hauptverfasser:	Dillenseger, Pascal, Acharya, Shreyasi, Acosta, Fernando T, Adamová, Dagmar, Adolfsson, Jonatan, Aggarwal, Madan M, Aglieri Rinella, Gianluca, Agnello, Michelangelo, Agrawal, Neelima, Ahammed, Zubayer, Alme, Johan, Altenkaemper, Lucas, Djuvsland, Øystein, Ersdal, Magnus Rentsch, Fionda, Fiorella Maria Celeste, Nystrand, Joakim, Rehman, Attiq Ur, Røhrich, Dieter, Tambave, Ganesh Jagannath, Ullaland, Kjetil, Wagner, Boris, Zhou, Zhuo, Arsene, Ionut Cristian, Bätzing, Paul Christoph, Dordic, Olja, Lardeux, Antoine Xavier, Lindal, Svein, Mahmood, Sohail Musa, Malik, Qasim Waheed, Richter, Matthias, Røed, Ketil, Skaali, Toralf Bernhard, Tveter, Trine Spedstad, Wikne, Jon Christopher, Zhao, Chengxin, Hetland, Kristin Fanebust, Kileng, Bjarte, Nesbø, Simon Voigt, Storetvedt, Maksim Melnik, Helstrup, Håvard, Langøy, Rune, Lien, Jørgen, Ahn, Sang Un, Aiola, Salvatore, Akindinov, Alexander, Al-Turany, Mohammad, Alam, Sk Noor, Albuquerque, D. S. D, Aleksandrov, Dmitry, Alessandro, Bruno, ALICE, Collaboration
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Sprache:	eng
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Zusammenfassung:	Quarkonia, i.e. bound states of and quarks, are powerful observables to study the properties of nuclear matter under extreme conditions. The formation of a Quark-Gluon Plasma (QGP), which is predicted by lattice QCD calculations at high temperatures as reached at the LHC energies, has a strong influence on the production and behavior of quarkonia. The latest ALICE results on bottomonium and charmonium production in nucleus−nucleus collisions are presented. This includes measurements of the and nuclear modification factor (RAA) at forward rapidity and the RAA and as a function of centrality, pT and rapidity in Pb–Pb collisions at . Also, first results from measurements in Xe–Xe collisions at are presented. Further on, the experimental results are compared to various calculations from theoretical models.