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Sivers Mechanism for Gluons

Authors
  • Burkardt, Matthias
Type
Published Article
Publication Date
Feb 01, 2004
Submission Date
Feb 01, 2004
Identifiers
DOI: 10.1103/PhysRevD.69.091501
Source
arXiv
License
Unknown
External links

Abstract

We study T-odd gauge invariantly defined T-odd unintegrated gluon densities in QCD. The average $\perp$ momentum of the gluons in a $\perp$ polarized nucleon can be nonzero due to the Sivers mechanism. However, we find that the sum of the transverse momenta due to the Sivers mechanism from gluons and all quark flavors combined vanishes, i.e. $<{\bf k_{\perp,g}}> + \sum_q < {\bf k_{\perp,q}}> =0$.

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