Jan Hammelmann
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View article: Nuclear Physics Confronts Relativistic Collisions Of Isobars
Nuclear Physics Confronts Relativistic Collisions Of Isobars Open
High-energy collisions involving the $A=96$ isobars $^{96}$Zr and $^{96}$Ru have been performed in 2018 at Brookhaven National Laboratory's Relativistic Heavy Ion Collider (RHIC) as a means to search for the chiral magnetic effect in QCD. …
View article: Fluctuations of conserved charges in heavy-ion collisions from a transport perspective
Fluctuations of conserved charges in heavy-ion collisions from a transport perspective Open
This thesis aims to investigate the properties of hadronic matter by analyzing fluctuations of conserved charges. A transport model (SMASH) is used for these studies to achieve this. The first part of this thesis focuses on examining trans…
View article: Fate of critical fluctuations in an interacting hadronic medium using maximum entropy distributions
Fate of critical fluctuations in an interacting hadronic medium using maximum entropy distributions Open
We study the evolution of critical fluctuations in an expanding system within a hadronic transport approach. The initialization of the system with critical fluctuations is achieved by coupling the ideal hadron resonance gas cumulants to th…
View article: Thermodynamics of an updated hadronic resonance list and influence on hadronic transport
Thermodynamics of an updated hadronic resonance list and influence on hadronic transport Open
Hadron lists based on experimental studies summarized by the Particle Data Group (PDG) are a crucial input for the equation of state and thermal models used in the study of strongly-interacting matter produced in heavy-ion collisions. Mode…
View article: Collision term dependence of the hadronic shear viscosity and diffusion coefficients
Collision term dependence of the hadronic shear viscosity and diffusion coefficients Open
In this work the shear viscosity $η$ and the diffusion coefficients of conserved charges $κ_{ij}$ with $i,j\in\{B,Q,S\}$ of hadronic matter are investigated within the hadronic transport approach SMASH. We systematically study the effect o…
View article: Impact of hadronic interactions and conservation laws on cumulants of conserved charges in a dynamical model
Impact of hadronic interactions and conservation laws on cumulants of conserved charges in a dynamical model Open
Understanding the phase diagram of quantum chromodynamics (QCD) by measuring fluctuations of conserved charges in heavy-ion collisions is one of the main goals of various different experimental programs. Within this work, we calculate the …
View article: Theoretical and Experimental Constraints for the Equation of State of Dense and Hot Matter
Theoretical and Experimental Constraints for the Equation of State of Dense and Hot Matter Open
This review aims at providing an extensive discussion of modern constraints relevant for dense and hot strongly interacting matter. It includes theoretical first-principle results from lattice and perturbative QCD, as well as chiral effect…
View article: Impact of hadronic interactions and conservation laws on cumulants of conserved charges in a dynamical model
Impact of hadronic interactions and conservation laws on cumulants of conserved charges in a dynamical model Open
Understanding the phase diagram of QCD by measuring fluctuations of conserved charges in heavy-ion collision is one of the main goals of the beam energy scan program at RHIC. Within this work, we calculate the role of hadronic interactions…
View article: Particle production in a hybrid approach for a beam energy scan of Au+Au/Pb+Pb collisions between $\sqrt{s_\mathrm{NN}}$ = 4.3 GeV and $\sqrt{s_\mathrm{NN}}$ = 200.0 GeV
Particle production in a hybrid approach for a beam energy scan of Au+Au/Pb+Pb collisions between $\sqrt{s_\mathrm{NN}}$ = 4.3 GeV and $\sqrt{s_\mathrm{NN}}$ = 200.0 GeV Open
Heavy-ion collisions at varying collision energies provide access to different regions of the QCD phase diagram. In particular collisions at intermediate energies are promising candidates to experimentally identify the postulated first ord…
View article: smash-transport/smash: SMASH-2.0
smash-transport/smash: SMASH-2.0 Open
Zenodo link Changes Changes for this release are found in the SMASH-2.0 section of the changelog. Useful Extras Physics results for elementary cross-sections, basic bulk observables and infinite matter calculations User Guide HTML Document…
View article: Influence of the neutron-skin effect on nuclear isobar collisions at energies available at the BNL Relativistic Heavy Ion Collider
Influence of the neutron-skin effect on nuclear isobar collisions at energies available at the BNL Relativistic Heavy Ion Collider Open
The unambiguous observation of a Chiral Magnetic Effect (CME)-driven charge separation is the core aim of the isobar program at RHIC consisting of $96\\atop{40}$Zr+$96\\atop{40}$Zr and $96\\atop{44}$Ru+$96\\atop{44}$Ru collisions at √sNN =…
View article: Electrical conductivity and relaxation via colored noise in a hadronic gas
Electrical conductivity and relaxation via colored noise in a hadronic gas Open
Motivated by the theory of relativistic hydrodynamic fluctuations we make use\nof the Green-Kubo formula to compute the electrical conductivity and the\n(second-order) relaxation time of the electric current of an interacting hadron\ngas. …