Measurement of ψ(2S) production cross-sections in proton-proton collisions at √s=7 and 13 TeV - Aaij, Roel; Bachmann, Sebastian; Berninghoff, Daniel; Borsato, Martino; Braun, Svende; Comerma-Montells, Albert; D'Argent, Philippe; Dziewiecki, Michal; Gerick, David; Grabowski, Jascha; Han, Xiaoxue; Hansmann-Menzemer, Stephanie; et al. (The European physical journal. C, Particles and fields, 2020)
LHCb collaboration: R. Aaij, S. Bachmann, D. Berninghoff, M. Borsato, S. Braun, A. Comerma-Montells, P. d'Argent, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, J. Hu, M. Kecke, T.Klimkovich, M. Kolpin, R. Kopecná, B. Leverington, H. Malygina, J. Marks, D. Mitzel, S. Neubert, A. Piucci, D. Popov, M. Schmelling, N. Skidmore, M. Stahl, S. Stemmle, U. Uwer, A.Zhelezov [und viele weitere]