Oscillations of moments in high-energy nucleus-nucleus collisions
- 期刊名字:中國科學A輯
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- 論文作者:楊紅艷,周代翠,錢琬燕,王曉榮
- 作者單位:Institute of Particle Physics
- 更新時間:2022-11-28
- 下載次數(shù):次
The definitions of density function and moment of multiplicity distribution are introduced,and the method of moment analysis in e+ e- and proton-proton (pp) interactions is extended into nu-cleus-nucleus (AA) interactions. We analyze the data for relativistic nucleus-nucleus collisions and cal-culate the values of Hq for charged particle multiplicity distributions, by which we study systematically the dependences of Hq on incident energy, mass of colliding system, pseudorapidity interval, centrality and truncation of multiplicity. We compare the oscillation structures induced by e + e-, pp and AA inter-actions, and the comparison and analysis are carried out between experimental data and QCD predic-tion. The latest results are given in this paper.
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