Accessing the Gluon Sivers Function at a future Electron-Ion Collider

Understand

In this work, we present a systematic study on the feasibility of probing the largely unexplored transverse momentum dependent gluon Sivers function (GSF) in open charm production, high p$_T$ charged di-hadron and di-jet production at a future high energy, high luminosity Electron-Ion Collider (EIC).

• The Sivers function is a measure for the anisotropy of the parton distributions in momentum space inside a transversely polarized nucleon.
• It is proposed that it can be studied through single spin asymmetries in the photon-gluon fusion subprocess in electron proton collisions at the EIC.
• Using a well tuned Monte Carlo model for deep inelastic scattering, we estimate the possible constraints of the GSF from the future EIC data.