# Quark Matter 2018

13-19 May 2018
Venice, Italy
Europe/Zurich timezone
The organisers warmly thank all participants for such a lively QM2018! See you in China in 2019!

## PHENIX results on Bose-Einstein correlation functions using a Lévy analysis in Au+Au collisions at RHIC

15 May 2018, 17:00
2h 40m
First floor and third floor (Palazzo del Casinò)

### First floor and third floor

#### Palazzo del Casinò

Poster Collective dynamics

Sándor Lökös

### Description

The RHIC beam energy scan program allows for the investigation of the phase
diagram of QCD matter by varying the beam energy in the region where the change from crossover to first order phase transition is expected to occur. The nature of the quark-hadron transition can be studied through analyzing the space-time structure of the hadron emission source. An excellent tool to gain information about the source is the measurement of Bose-Einstein or HBT correlations of identical bosons. In recent measurements, we utilized Lévy-type sources to describe the measured two-particle correlation functions. In this presentation we report on the detailed measurements of the Lévy source parameters as a function of transverse mass.
We discuss the collision energy and centrality dependence of the Lévy-exponent,
which is related tp the spatial correlation exponent. We also discuss the Lévy-
scale, as well as that of the correlation strength and its relation to the
$\eta '$ mass.

Content type Experiment PHENIX Presenter name already specified

### Primary author

Gabor David (Brookhaven National Laboratory)