R Aaij, CA Beteta, B Adeva, M Adinolfi, C Adrover… - Physics Letters B, 2012 - Elsevier
The prompt production of charmonium χc and J/ψ states is studied in proton–proton
collisions at a centre-of-mass energy of s= 7 TeV at the Large Hadron Collider. The χc and …