PoS - Proceedings of Science
Volume 297 - XXV International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2017) - WG6 and WG7 joint session
Measurement of Gluon Orbital Angular Momentum at Electron-Ion Collider
Y. Zhao*, F. Yuan and X. Ji
Full text: pdf
Pre-published on: January 08, 2018
Published on: January 16, 2018
Abstract
The single longitudinal target-spin asymmetry in exclusive dijet production is sensitive to the gluon OAM density. The latter contributes to the spin asymmetry with a characteristic azimuthal angular modulation of $\sin(\phi_{\Delta} - \phi_q)$, where $\phi_{\Delta}$ and $\phi_q$ are the azimuthal angles of the proton momentum transfer and the relative transverse momentum between the quark-antiquark pair. This study will motivate a first measurement of the gluon OAM at the Electron-Ion Collider.
DOI: https://doi.org/10.22323/1.297.0111
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