Thoughts on opportunities in high-energy nuclear collisions.

Author(s): Antinori, Federico; Braun-Munzinger, Peter; Grosse-Oetringhaus, Jan-Fiete; Heinz, Ulrich; Jacak, Barbara; Jacobs, Peter; Kalweit, Alexander; Koch, Volker; Lee, Yen-Jie; Leeuwen, Marco Van; Masciocchi, Silvia; Milhano, Guilherme Teixeira De Almeida; Milov, Alexander; Morsch, Andreas; Mueller, Berndt; Nagle, James Lawrence; Ortiz, Antonio; Paic, Guy; Perepelitsa, Dennis; Rajagopal, Krishna; Rapp, Ralf; Roland, Gunther; Romatschke, Paul; Schukraft, Jurgen; Schutz, Yves; Stachel, Johanna; Wang, Xin-Nian; Wiedemann, Urs Achim; Xu, Zhangbu; Zajc, William | Abstract: This document reflects thoughts on opportunities from high-energy nuclear collisions in the 2020s.