G. Aad, B. Abbott, J. Abdallah, A.A. Abdelalim, A. Abdesselam, K. Augsten, T. Holý, T. Horažďovský, J. Jakůbek, Z. Hubáček et al.: Measurement of the centrality dependence of J/ψ yields and observation of Z production in lead-lead collisions with the ATLAS detector at the LHC. Physics Letters B 697(4), 294-312 (2011). doi:10.1016/j.physletb.2011.02.006