Measurement of prompt J/ψ pair production in pp collisions at s $$ \sqrt{s} $$ = 7 Tev
V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres
Production of prompt J/ψ meson pairs in proton-proton collisions at √ s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb -1 .The two J/ψ mesons …
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