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研究了初态相互作用对高能ｐ—Ａ碰撞中Ｊ／ψ产额压低的影响．由于入射质子与靶核的非弹性作用，使它的能量减小．考虑了这个贡献之后，只需末态相互作用的截面为，就能很好地再现实验结果．
The effect of initial state interaction on the J / ψ output depression during high-energy p-A collision was studied. Its energy is reduced due to the inelastic effect of incident protons and target nuclei. Considering this contribution, the experimental results can be reproduced well with only the cross-section of the final state of interaction.