Overview
Prof. Bass does research at the intersection of theoretical nuclear and particle physics, in particular studying highly energetic collisions of heavy nuclei, with which one aims to create a primordial state of matter at extremely high temperatures and densities (the Quark-Gluon-Plasma) that resembles the composition of the early Universe shortly after the Big Bang.
It has been only in the last two decades that accelerators have been in operation that give us the capabilities to create the conditions of temperature and density in the laboratory that are favorable for the Quark-Gluon-Plasma (QGP) to exist. The Relativistic Heavy-Ion Collider (RHIC) at Brookhaven National Laboratory and the accompaniment of detector systems were built specifically to observe and study this phase of matter. Similar studies have recently commenced at the CERN Large Hadron Collider. The experiments at RHIC have discovered a new form of ultra-dense matter with unprecedented properties, a plasma composed of unbound quarks and gluons, that appears to behave as a nearly ``perfect liquid.''
Prof. Bass is a leading expert in the phenomenology of the Quark-Gluon-Plasma (QGP) and in knowledge extraction from large scale data sets via computational modeling. He is best known for his work developing a variety of computational models for the description of these ultra-relativistic heavy-ion collisions, as well as for his contributions to the phenomenology of the QGP and the determination of the shear viscosity of the QGP.
Prof. Bass is a member of the Divisions of Nuclear and Computational Physics of the American Physical Society. He has published more than 160 peer-reviewed articles. He is a member of the Editorial Board of Journal of Physics G: Nuclear and Particle Physics. In 2014 he was named Outstanding Referee for APS Journals and was elected a Fellow of the American Physical Society.
Current Appointments & Affiliations
Recent Publications
Effect of recoils on soft-drop-groomed observables in γ-tagged jets in a multistage approach
Journal Article Physical Review C · March 28, 2026 We investigate medium-induced modifications to jet substructure observables that characterize hard components in central Pb-Pb collisions at √sNN = 5.02 TeV. Using a multistage Monte Carlo simulation of in-medium jet shower evolution, ... Full text CiteTransport-based initial conditions for heavy-ion collisions at finite densities
Journal Article Physical Review C · February 13, 2026 Full text CiteQuark flavor equilibration of the quark-gluon plasma
Journal Article Physical Review C · January 12, 2026 The early stage of a heavy-ion collision is marked by rapid entropy production and the transition from a gluon saturated initial condition to a plasma of quarks and gluons that evolves hydrodynamically. However, during the early times of the hydrod ... Full text CiteRecent Grants
Heavy-Flavor Theory (HEFTY) for QCD Matter
ResearchPrincipal Investigator · Awarded by Texas A&M University · 2023 - 2028C-SCAPE: A Comprehensive Event Generator for Chromodynamics with a Statistically and Computationally Advanced Program Envelope
ResearchPrincipal Investigator · Awarded by Texas A&M University · 2025 - 2027ORNL/Duke Collaboration and Program Development
Institutional SupportPrincipal Investigator · Awarded by Oak Ridge National Laboratory · 2011 - 2026View All Grants