Harmonics of parton saturation in inclusive and diffractive Lepton-jet correlation at EIC

Abstract

We study the harmonic coefficient of both inclusive and diffractive azimuthal angle dependent lepton-jet correlations in Hadron-Electron Ring Accelerator and the future electron-ion collider. Numerical calculations for inclusive and diffractive harmonics and the ratio of harmonics in e + Au and e + p reveal their strong discriminating power for non-saturation model and saturation model. Moreover, we demonstrate that the t-dependent diffractive harmonics are innovative observables for nuclear density profile.