Speaker
Jose Osvaldo Gonzalez Hernandez
(TO)
Description
The most recent SIDIS measurements have challenged our understanding of factorization theorems in QCD. In order to perform reliable
extractions of transverse momentum dependent functions (TMDs) it is essential
to understand the extent to which the errors of factorization are under
control. In this talk I will discuss about the issues encountered when comparing theory and experiment. I will also argue that careful examination
of the features of the data is crucial for reliable TMD extraction. As an
example of this, I will present results from a recent analysis on Sivers
asymmetries by HERMES and COMPASS.