Wavelet analysis of event by event fluctuations

Details Wavelet analysis of event by event fluctuations Wavelet analysis of event by event fluctuations

2006-03-18

arxiv.org/abs/physics/0603150v1

Physics

Data Analysis, Statistics and Probability

Scientific paper

The temporal fluctuations of produced hadron density in heavy ion collisions, modelled by 2D Ising model at temperatures $T_c$ and below, are studied through a recently developed wavelet based fluctuation analysis method. At $T_c$, long-range correlated multifractal behavior, matching with the recently observed Hurst exponent $H\simeq 1$, is found. Below $T_c$ uncorrelated monofractal behavior is seen. The correlation behavior compares well with the results obtained from continuous wavelet based average wavelet co-efficient method, as well as with Fourier power spectral analysis.

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