用主成分分析法研究方位流的可行性
On feasibility of azimuthal flow studies with Principal Component Analysis
摘要：
结果表明，主成分分析应用于方位角单粒子分布允许进行流量分析的方式，是类似于传统的方法的基础上多粒子的相关性。特别是，被认为是对称累积量。它还表明，由于每个事件的粒子数量有限的统计波动几乎不发挥作用，高阶PCA为基础的累积量。
英文摘要：
It is shown that the Principal Component Analysis applied to azimuthal single-particle distributions allows to perform flow analysis in ways that are analogous to the traditional approaches based on multi-particle correlations. In particular, symmetric cumulants are considered. It is demonstrated also that statistical fluctuations due to a finite number of particles per event practically do not play a role for higher order PCA-based cumulants.
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