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- Title
T-Odd Gluon TMDs Inside a Transversely Polarized Hadron.
- Authors
Echevarria, Miguel
- Abstract
We consider the relevant gluon transverse momentum dependent distributions (TMDs) in the spin asymmetries generated by the scattering off transversely polarized hadrons. At large transverse momentum they can be expressed in terms of different collinear distributions, via perturbatively calculable Wilson coefficients. We calculate these coefficients at next-to-leading order, and show that when the small- x limit is taken only one independent function remains for dipole-type gluon TMDs: the so-called spin-dependent odderon. This universal origin for the spin asymmetries is of importance to better understand hadron substructure.
- Subjects
GLUONS; ANGULAR momentum (Nuclear physics); ANGULAR distribution (Nuclear physics); POLARIZATION (Nuclear physics); NUCLEAR spin; HADRONS -- Scattering; QUANTUM perturbations
- Publication
Few-Body Systems, 2016, Vol 57, Issue 8, p645
- ISSN
0177-7963
- Publication type
Article
- DOI
10.1007/s00601-016-1088-y