M Aaboud, G Aad, B Abbott, J Abdallah… - The European Physical …, 2017 - Springer
The production of two prompt J/ψ J/ψ mesons, each with transverse momenta p_ T> 8.5 p T>
8.5 GeV and rapidity| y|< 2.1| y|< 2.1, is studied using a sample of proton-proton collisions at …