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Correlations And Dynamic Fluctuations In High Energy Collisions, Zoulfekar Mazloum
Correlations And Dynamic Fluctuations In High Energy Collisions, Zoulfekar Mazloum
Wayne State University Dissertations
Is thermalization necessary for hydrodynamic flow in nuclear collisions? The discovery of flow-like azimuthal correlations in pA and high-multiplicity pp collisions raises profound questions about the onset of collective flow and its relation to hydrodynamics. We seek independent experimental information on the degree of thermalization in order to identify those hydrodynamic collision systems in which flow is sensitive to equilibrium QCD properties. We aim to develop a protocol for identifying the degree of thermalization using a combination of momentum and multiplicity correlation. To study the effect ofthermalization on these correlations, we use Boltzmann equation in the relaxation time approximation with …
Jet Substructure Measurements In Proton-Proton And Proton-Gold Collisions, Isaac Arthur Mooney
Jet Substructure Measurements In Proton-Proton And Proton-Gold Collisions, Isaac Arthur Mooney
Wayne State University Dissertations
Observing a modification of high-energy probes in the hot nuclear environment created by ultrarelativistic heavy-ion collisions is critical for understanding the microscopic structure of the QCD medium. However, before a modification can be observed, the probes must be calibrated. For this reason, measurements of jet observables in vacuum (pp collisions) and in the presence of cold nuclear matter (pAu collisions) are presented, which will allow for future comparison of jet substructure measurements in AuAu to these baseline measurements. \parData from the STAR detector on the Relativistic Heavy Ion Collider at Brookhaven National Laboratory are used for both analyses. The pp …