Mar 14 – 16, 2017
Wayne State University
US/Eastern timezone

Features of spin dependent transverse momentum distributions: the Helicity and Transversity case

Mar 15, 2017, 9:40 AM
McGregor Memorial Conference Center

McGregor Memorial Conference Center


Daniel Gutiérrez Reyes (Complutense University of Madrid)


The factorization theorem for DY and semi-inclusive DIS holds for all leading twist transverse momentum distributions. However a QCD perturbative calculation shows several important characteristics of spin-dependent distributions. We consider the case of Helicity and Transversity, which are the only spin-dependent distributions which can be matched onto integrated twist-2 functions. We show how this matching has a scheme dependence and we evaluate also their power corrections using renormalons. We conclude proposing a general non-perturbative model for these distributions.

Primary authors

Daniel Gutiérrez Reyes (Complutense University of Madrid) Ignazio Scimemi (Universidad Complutense (ES)) Alexey Vladimirov

Presentation materials