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Chiara Bissolotti - ANL - Global extraction of quark unpolarized Transverse Momentum Distributions at N3LL


Abstract:  Transverse Momentum Distributions (TMDs) are three-dimensional maps of hadrons in momentum space and generalize the well-known concept of collinear Parton Distribution Functions (PDFs). TMDs are crucial in understanding the 3D spin and momentum structure of the nucleon and other hadrons, and information on their functional form can be obtained, for example, from Drell-Yan and Semi-Inclusive Deep Inelastic Scattering (SIDIS).   In this seminar I will discuss the state-of-the art status of unpolarized TMD extractions, focusing on the results obtained by the Pavia group and in particular on the most recent global TMD extraction that reaches the perturbative accuracy of next-to-next-to-next leading log.


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