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    • Measurement of the prompt J/ψ and ψ(2S) polarizations in pp collisions at √s=7 TeV 

      CMS Collaboration; Adair, A.; Akgun, B.; Ecklund, K.M.; Geurts, F.J.M.; Li, W.; Michlin, B.; Padley,B.P.; Redjimi, R.; Roberts, J.; Zabel, J. (2013)
      The polarizations of prompt J/ψ and ψ(2S) mesons are measured in proton–proton collisions at √s=7 TeV, using a dimuon data sample collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 4.9 ...