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Finite Numbers of Sources, Particle Correlations and the Color Glass Condensate

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arxiv 1510.08072 v2 pith:6NQCY6PL submitted 2015-10-27 hep-ph

classification hep-ph
keywords flowcorrelationsmomentumsourcescolorcondensateemittingfinite
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We show that for a finite number of emitting sources, the Color Glass Condensate produces substantial elliptic azimuthal anisotropy, characterized by $v_2$, for two and four particle correlations for momentum greater than or of the order the saturation momentum. The flow produced has the correct semi-quantitative features to describe flow seen in LHC experiments with p-Pb and pp collisions. This flow is induced by quantum mechanical interference between the waves of produced particles, and the flow itself is coupled to fluctuations in the positions of emitting sources. We shortly discuss generalizing these results to odd $v_n$, to correlations involving larger number of particles, and to transverse momentum scales $\Lambda_{\rm QCD} \ll p_T \ll Q_{\rm sat}$.

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Cited by 3 Pith papers

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

  1. Soft Gluon Wave Function and Evolution Operator in the CGC at Next-to-Leading Order

    hep-ph 2026-07 conditional novelty 6.0 of 10

    The full O(g²) soft-gluon evolution operator in the CGC is constructed; acting on the pure-YM Hamiltonian it reduces it to its free part plus a ρ² coherent background energy.

  2. Collective dynamics in heavy and light-ion collisions -- I) Kinetic Theory vs. Hydrodynamics

    hep-ph 2024-11 conditional novelty 6.0 of 10

    Event-by-event simulations show elliptic flow in heavy and light ion collisions follows a universal opacity-dependent response curve; hydrodynamics is accurate only above opacity around 3, and oxygen collisions expose...

  3. Quasi-Classical Evaluation of Gluon Saturation Induced Helicity Effects

    hep-ph 2024-11 conditional novelty 6.0 of 10

    A saturation-induced helicity-dependent A+ gluon field contributes at order Qs^6 to the two-particle dijet correlation and further suppresses the back-to-back peak in polarized e-A collisions.

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