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Simulating collisions of thick nuclei in the color glass condensate framework
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We present our work on the simulation of the early stages of heavy-ion collisions with finite longitudinal thickness in the laboratory frame in 3+1 dimensions. In particular we study the effects of nuclear thickness on the production of a glasma state in the McLerran-Venugopalan model within the color glass condensate framework. A finite thickness enables us to describe nuclei at lower energies, but forces us to abandon boost-invariance. As a consequence, random classical color sources within the nuclei have to be included in the simulation, which is achieved by using the colored particle-in-cell (CPIC) method. We show that the description in the laboratory frame agrees with boost-invariant approaches as a limiting case. Furthermore we investigate collisions beyond boost-invariance, in particular the pressure anisotropy in the glasma.
Forward citations
Cited by 4 Pith papers
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Analytic and Approximate Solutions to Color Glass Condensate in the Classical Weak-Field Limit
In the weak-field CGC limit the glasma energy-momentum tensor has universal late-time scaling ε,PT∼1/τ and PL∼1/τ³, with closed Meijer-G forms in the MV model and controlled series in an improved Gaussian model.
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Non-perturbative quark production and transport in the evolving glasma: the WAGASHI event generator
Schwinger pair production in the evolving glasma generates hundreds of quarks and antiquarks per unit rapidity in central Pb-Pb collisions, with momentum broadening and spin randomization before hydrodynamics begins.
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Effects of sub-nucleonic fluctuations on the longitudinal structure of heavy-ion collisions
Sub-nucleonic hotspots in the initial state increase longitudinal flow decorrelation and reduce baryon stopping in simulated Pb+Pb collisions, but the model still underestimates decorrelation in mid-central events.
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Effective theories for nuclei at high energies
This paper reviews the Color Glass Condensate effective theory, covering its foundations, its role in deep inelastic scattering, and its use in setting initial conditions for heavy-ion collisions.
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