Conveners
Parallel session: TMDs
- Markus Diehl (T (Phenomenology))
Recent years have seen prominent progress in the first-principles calculation of transverse-momentum-dependent parton distributions (TMDs) from the so-called lattice TMDs, which are equal time correlators that include quasi-TMDs and those from the Lorentz-invariant approach. In this talk, I will show that the lattice TMDs and TMDs are related by a factorization formula which can be rigorously...
I present the recent studies of power corrections for the transverse momentum dependent (TMD) factorization. A particular emphasis is made on the novel method of TMD operator expansion that yields the TMD factorization theorem on the operator level. This method grants a systematic description of power corrections to TMD factorization, in particular, it naturally introduces the concept of...
We perform explorative analyses of the 3D gluon content of the proton via a study of polarized T-odd gluon TMDs at leading twist, calculated in a spectator model for the parent nucleon. Our approach encodes a flexible parametrization for the spectator-mass density, suited to describe both moderate and small-x effects. All these prospective developments are relevant in the investigation of the...
The parton-branching solutions of QCD evolution equations have been recently
studied. From this approach, a method to construct both collinear and transverse
momentum dependent (TMD) parton densities has been formulated. In this
formalism, soft-gluon color coherence effects are taken into account by
introducing the soft-gluon resolution scale. Both analytical studies and
numerical...
