# Quark Matter 2017

Feb 5 – 11, 2017
Hyatt Regency Chicago
America/Chicago timezone

## Collision energy dependent Levy analysis of Bose-Einstein correlation functions in Au+Au collisions at PHENIX

Not scheduled
2h 30m
Hyatt Regency Chicago

#### Hyatt Regency Chicago

151 East Wacker Drive Chicago, Illinois, USA, 60601
Board: L07
Poster

### Speaker

Dániel Kincses (Eötvös Loránd University)

### Description

The RHIC beam energy scan program allows us to investigate the phase-diagram of QCD matter. The nature of the quark-hadron transition can be studied through analyzing the space-time structure of the hadron emission source. One of the best tools to gain information about the source is the measurement of Bose-Einstein or HBT correlations of identical bosons. In our latest measurements, we utilize Levy-type sources to describe the measured correlation functions. One of the source parameters, the index of stability $\alpha$ is related to one of the critical exponents (the so-called correlation exponent $\eta$), so it may yield information on the nature of the quark-hadron phase transition, particularly it may shed light on the location of the critical endpoint on the phase-diagram. In this poster we report the current status of the analysis of the Levy source parameters (the intercept parameter $\lambda$, the index of stability $\alpha$, and the scale parameter $R$) as a function of transverse momentum and beam energy in Au+Au collisions at $\sqrt{s_{NN}}$ = 15, 19, 27, 39, 62 and 200 GeV.

Collaboration PHENIX Correlations and Fluctuations

### Primary author

Dániel Kincses (Eötvös Loránd University)