PoS - Proceedings of Science
Volume 308 - QCD Evolution 2017 (QCDEV2017) - Thursday, May 25, 2017- Afternoon 1
Connections between TMDs and collinear twist-3 functions within the context of single-spin asymmetries
D. Pitonyak*, L. Gamberg, A. Metz and A. Prokudin
Full text: pdf
Published on: March 23, 2018
We review the theoretical framework underlying the description of transverse single-spin asymmetries (SSAs) for both collinear and transverse-momentum-dependent (TMD) processes. For the latter, we discuss modifications to the widely used CSS formalism that are needed to address certain issues that have arisen in TMD analyses. After these improvements, one can derive rigorous relations between collinear and TMD functions. Moreover, we show how both collinear and TMD SSA observables are driven by multi-parton correlations, which allows for a future global extraction to be performed including data from both types of measurements.
DOI: https://doi.org/10.22323/1.308.0045
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.