Analysis of information sources in references of the Wikipedia article "OPERA experiment" in English language version.
3 December 2012 After 5 years of operation the CNGS beam was stopped. In total it was 17.97×1019 protons on target provided by the CNGS.
3 December 2012 After 5 years of operation the CNGS beam was stopped. In total it was 17.97×1019 protons on target provided by the CNGS.