Cold and hot nuclear matter effects on charmonium production in p+Pb collisions at LHC energy

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• 作者：Baoyi Chen^a ; Tiecheng Guo^a ; ^b ; Yunpeng Liu^a ; Pengfei Zhuang^b ; ^{zhuangpf@mail.tsinghua.edu.cn}
• 关键词：Quarkonium production ; Heavy ion collisions ; Cold medium effect ; Hot medium effect
• 刊名：Physics Letters B
• 出版年：2017
• 出版时间：10 February 2017
• 年：2017
• 卷：765
• 期：Complete
• 页码：323-327
• 全文大小：382 K
• 卷排序：765

文摘

We study cold and hot nuclear matter effects on charmonium production in p+Pb collisions at sNN=5.02 TeV in a transport approach. At the forward rapidity, the cold medium effect on all the cc¯ states and the hot medium effect on the excited cc¯ states only can explain well the J/ψJ/ψ and ψ′ψ′ yield and transverse momentum distribution measured by the ALICE collaboration, and we predict a significantly larger ψ′ψ′pTpT broadening in comparison with J/ψJ/ψ. However, we can not reproduce the J/ψJ/ψ and ψ′ψ′ data at the backward rapidity with reasonable cold and hot medium effects.