PoS - Proceedings of Science
Volume 316 - XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2018) - WG6: Spin and 3D structure
Orbital angular momentum distributions at small-x
Y. Hatta
Full text: pdf
Pre-published on: September 20, 2018
Published on: November 23, 2018
I study the $x$-distribution of the orbital angular momentum (OAM) of quarks and gluons in the nucleon with particular emphasis on the small-x region. I argue, in two different ways, that the gluon OAM significantly cancels the gluon helicity distribution at small-$x$. A similar cancellation occurs also in the quark sector.
DOI: https://doi.org/10.22323/1.316.0256
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