# Nuclear Physics Seminar

## "Finite-Size Scaling of Susceptibility and Non-Gaussian Fluctuations Near the QCD Critical Point"

#### Presented by Roy Lacey, Stony Brook University

Friday, September 9, 2016, 2:00 pm — Small Seminar Room, Bldg. 510

A major experimental theme at the Relativistic Heavy Ion Collider (RHIC), is the the study of observables that could signal the location and character of the critical endpoint (CEP) – the end point of the first-order coexistence curve in the temperature vs. baryon chemical potential (T, μB) plane of the phase diagram for Quantum Chromodynamics (QCD). I will show that Finite-Size Scaling of measurements linked to both the susceptibility and critical fluctuations, lead to scaling functions which provide a potent tool for locating and characterizing the CEP. A recent estimate of the location of the CEP and the associated critical exponents used to assign the order of the transition and its universality class will be presented as well.

Hosted by: Matthew Sievert

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