arXiv subjects

Thorben Graf

Publications and source records attributed to Thorben Graf.

4 recordsLinked to original sources

arXiv2018

Testing Charm Quark Equilibration in Ultra-High Energy Heavy Ion Collisions with Fluctuations

Recent lattice QCD data on higher order susceptibilities of Charm quarks provide the opportunity to explore Charm quark equilibration in the early quark gluon plasma (QGP) phase. Here, we propose to use the lattice data on second and fourth order net Charm susceptibilities to infer the Charm quark equilibration temperature and the corresponding volume, in the early QGP stage, via a combined analysis of experimentally measured multiplicity fluctuations. Furthermore, the first perturbative results for the second and fourth order Charm quark susceptibilities and their ratio are presented.

hep-ph↗

arXiv2016

Quark mass effects in quark number susceptibilities

The quark degrees of freedom of the QGP with special focus on mass effects are investigated. A next-to-leading-order perturbation theory approach with quark mass dependence is applied and compared to lattice QCD results.

hep-ph↗

arXiv2016

Perturbative thermodynamics at nonzero isospin density for cold QCD

We use next-to-leading-order in perturbation theory to investigate the effects of a finite isospin density on the thermodynamics of cold strongly interacting matter. Our results include nonzero quark masses and are compared to lattice data.

hep-ph↗

arXiv2016

The impact of quark masses on pQCD thermodynamics

We present results for several thermodynamic quantities within the next-to-leading order calculation of the thermodynamic potential in perturbative QCD at finite temperature and chemical potential including non-vanishing quark masses. These results are compared to lattice data and to higher-order optimized perturbative calculations to investigate the trend brought about by mass corrections.

hep-ph↗