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3-D structure of the Glasma initial state -- Breaking boost-invariance by collisions of extended shock waves in classical Yang-Mills theory

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arxiv 2010.11172 v4 pith:ZUG3MHCQ submitted 2020-10-21 hep-ph nucl-th

classification hep-phnucl-th
keywords colorlongitudinalboostclassicalcollisionsdistributionsexploreextended
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We simulate the 3+1 D classical Yang-Mills dynamics of the collisions of longitudinally extended nuclei, described by eikonal color charges in the Color Glass Condensate framework. By varying the longitudinal thickness of the colliding nuclei, we discuss the violations of boost invariance and explore how the boost invariant high-energy limit is approached. Subsequently, we develop a more realistic model of the three dimensional color charge distributions that connects longitudinal and transverse fluctuations to the $x$ and $k_\bot$ dependence of transverse momentum dependent parton distributions, and explore the resulting rapidity profiles and their longitudinal fluctuations.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Effects of sub-nucleonic fluctuations on the longitudinal structure of heavy-ion collisions

    nucl-th 2025-01 conditional novelty 5.0 of 10

    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.

  2. Effective theories for nuclei at high energies

    hep-ph 2025-02 unverdicted novelty 1.0 of 10

    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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