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Energy density of the Glasma
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Energy density of the Glasma
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The initial energy density produced in an ultrarelativistic heavy ion collision can, in the color glass condensate framework, be factorized into a product of the integrated gluon distributions of the nuclei. Although this energy density is well defined without any infrared cutoff besides the saturation scale, it is apparently logarithmically ultraviolet divergent. We argue that this divergence is not physically meaningful and does not affect the behavior of the system at any finite proper time.
Forward citations
Cited by 2 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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Primordial fluctuations in heavy-ion collisions
A new model of energy density fluctuations in heavy-ion collisions, built from elementary 1/r^2 sources, reproduces CGC one- and two-point functions to leading-log accuracy and explains the centrality dependence of bo...
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