Abstract
We discuss the prospects of using jets as precision probes in electron-nucleus collisions at the future Electron-Ion Collider. Jets produced in deep-inelastic scattering can be calibrated by a measurement of the scattered electron. Such electron-jet "tag and probe" measurements call for an approach that is orthogonal to most HERA jet measurements as well as previous studies of jets at the future EIC. We present observables such as the electron-jet momentum balance, azimuthal correlations and jet substructure, which can provide constraints on the parton transport coefficient in nuclei. We compare simulations and analytical calculations and provide estimates of the expected medium effects. Implications for detector design at the future EIC are discussed.
Highlights
The future Electron-Ion Collider (EIC) will be the first electron-nucleus (e-A) collider and will produce the first jets in nuclear deep-inelastic scattering (DIS)
We propose an approach different from that used for most jet measurements at Hadron-Electron Ring Accelerator (HERA)
III D after we introduce our simulations and show the kinematic distributions of jets expected at the future EIC
Summary
The future Electron-Ion Collider (EIC) will be the first electron-nucleus (e-A) collider and will produce the first jets in nuclear deep-inelastic scattering (DIS). The future EIC will provide a very clean environment where the underlying event and pileup are not significant, unlike hadronic collisions This will allow for precise quantitative comparisons to perturbative QCD calculations. Despite the success of QCD in describing the strong interaction, the physics of parton interactions with QCD matter is not fully understood, as not everything can be calculated perturbatively This is true both for the “hot” QCD matter produced in high energy nucleus-nucleus collisions and the “cold” QCD matter probed via jet production in pp, p-A, e-p, and e-A collisions [33]. We study DIS jet production, eA → e + jet + X for eventby-event control of the kinematics (x, Q2) that constrain the struck-quark momentum We refer to this approach as electron-jet “tag and probe” studies.
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