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Probing Gluon Saturation through Dihadron Correlations at an Electron-Ion Collider
Two-particle azimuthal angle correlations have been proposed to be one of the
most direct and sensitive probes to access the underlying gluon dynamics
involved in hard scatterings. In anticipation of an Electron-Ion Collider
(EIC), detailed studies of dihadron correlation measurements in electron-proton
and electron-ion collisions at an EIC have been performed. The impact of such
measurements on the understanding of the different gluon distribution
functions, as a clean signature for gluon saturation and to constrain
saturation models further, has been explored. It is shown that dihadron
correlation measurements will be one of the key methods to probe gluon
saturation phenomena at a future EIC.Comment: 13 pages, 13 eps figure
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