J/$\psi$ and $\psi$(2S) production in p-Pb collisions at $\sqrt{s_{NN}}=\mathrm{5.02}$ TeV with ALICE at the LHC

Abstract

The ALICE Collaboration has studied the inclusive J/$\psi$ and $\psi(\mathrm{2S})$ production in p-Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV, at the CERN LHC. The J/$\psi$ measurement is performed in the $\mu^{+}\mu^{-}$ and in the $e^{+}e^{-}$ decay channels, down to zero $p_{\mathrm{T}}$. The results are in fair agreement with theoretical predictions. The $\psi(\mathrm{2S})$ measurement has also been performed. In particular, a smaller $\psi(\mathrm{2S})$ nuclear modification factor, with respect to the J$/\psi$ one, has been observed.