Model-independent analysis of nearly Lévy correlations

Novák, Tamás and Csörgő, Tamás and Eggers, H. C. and De Kock, M. (2016) Model-independent analysis of nearly Lévy correlations. ACTA PHYSICA POLONICA B PROCEEDINGS SUPPLEMENT, 9 (2). pp. 289-292. ISSN 1899-2358

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Abstract

A model-independent method for the analysis of two-particle short- range correlations is presented. It can be utilized to describe such Bose- Einstein (HBT), dynamical (ridge) and other correlation functions which have a nearly L´evy or “stretched exponential” shape. For the special case of L´evy exponent α = 1, earlier Laguerre expansions are recovered, while for α = 2 a new expansion is obtained for correlations which are nearly Gaus- sian in shape. Multidimensional L´evy expansions are also introduced and their potential application to analyze ridge correlation data is discussed

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