Production in Ultra-Peripheral pp Collisions through a Two-Photon Process
ZHU Jia-Qing, JIANG Xue-Min, LI Yun-De**
Department of Physics, Yunnan University, Kunming 650091
Abstract ：Using the photon spectrum of a high energy charged parton, we investigate the J /ψ production via the two photon interaction mechanism in ultra-peripheral pp collisions. It is shown that the contributions from the direct electromagnetic and the corresponding fragmentation processes are meaningful for the J /ψ productions in ultra-peripheral pp collisions at LHC energy.
出版日期: 2014-11-28
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2014, Vol. 31 
