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Volume 352 - XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2019) - Working Group 6: Spin and 3D Structure
Linearly polarized gluons TMDPDFs at NNLO in QCD
S. Leal Gómez,* D. Gutierrez-Reyes, I. Scimemi, A. Vladimirov
*corresponding author
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Pre-published on: 2019 July 19
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Abstract
We present for first time the computation at large $q_T$ (or small $b_T$) matching coefficients of Transverse Momentum Dependent Parton Distribution Function (TMDPDF) for linearly polarised to the integrated gluon distribution at next-to-next-to leading order (NNLO). The computation is performed using the modified $\delta$-regulator for rapidity divergences and dimensional regularization. This TMDPDF matriz element presnts phenomenological interest in two kind of processes. The factorization of the Higgs production transverse momentum ($q_T$) distribution through gluon-gluon fusion and the quarkonium production.
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