Cold and Hot Nuclear Matter Effects on Charmonium Production in p+Pb Collisions at LHC Energy

Abstract

We study cold and hot nuclear matter effects on charmonium production in p+Pb collisions at $\sqrt{s_{\text{NN}}}=5.02$ TeV in a transport approach. At the forward rapidity, the cold medium effect on all the $c\bar{c}$ states and the hot medium effect on the excited $c\bar{c}$ states only can explain well the $J/\psi$ and ${\psi }^{\prime }$ yield and transverse momentum distribution measured by the ALICE collaboration, and we predict a significantly larger ${\psi }^{\prime }$ $p_{\text{T}}$ broadening in comparison with $J/\psi$. However, we can not reproduce the $J/\psi$ and ${\psi }^{\prime }$ data at the backward rapidity with reasonable cold and hot medium effects.

arXiv comment6 pages, 5 figures

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