# XXVII International Workshop on Deep Inelastic Scattering and Related Subjects

Apr 8 – 12, 2019
Turin
Europe/Rome timezone

## Linearly polarized gluons TMDPDFs at NNLO in QCD

Apr 10, 2019, 2:17 PM
17m
Rettorato - Aula Principi d'Acaja

### Rettorato - Aula Principi d'Acaja

via Verdi, 8 Turin
Parallel Session Talk WG6: Spin and 3D structure

### Description

One of the most striking phenomena arising from the extension of collinear factorization (inspired in Bjorken's parton model) to Transverse Momentum Dependent (TMD) factorization is the appearance of azimuthal modulation induced by the polarization of partons with nonzero transverse momentum even inside unpolarized hadrons. Linearly polarized gluons inside unpolarized hadrons is one of these cases. We present the pertubative calculation of the matching coefficient onto unintegrated PDF in the limit of large $q_T$ (or small $b_T$) at NNLO in QCD.