Article
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Lévy Femtoscopy with PHENIX at RHIC
Version 1
: Received: 3 December 2017 / Approved: 4 December 2017 / Online: 4 December 2017 (07:28:13 CET)
A peer-reviewed article of this Preprint also exists.
Csanád, M. Lévy Femtoscopy with PHENIX at RHIC. Universe 2017, 3, 85. Csanád, M. Lévy Femtoscopy with PHENIX at RHIC. Universe 2017, 3, 85.
Abstract
In this paper we present the measurement of charged pion two-particle femtoscopic correlation functions in = 200 GeV Au+Au collisions, in 31 average transverse mass bins, separately for positive and negative pion pairs. Lévy-shaped source distributions yield a statistically acceptable description of the measured correlation functions, with three physical parameters: correlation strength parameter λ , Lévy index α and Lévy scale parameter R. The transverse mass dependence of these Lévy parameters is then investigated. Their physical interpretation is also discussed, and the appearance of a new scaling variable is observed.
Keywords
RHIC; PHENIX; femtoscopy; Bose-Einstein correlations; L\'evy distribution; anomalous diffusion; critical point; in-medium mass modification
Subject
Physical Sciences, Nuclear and High Energy Physics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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