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Apr 13 – 16, 2021
US/Eastern timezone

TMD distributions and the Color Glass Condensate

Apr 15, 2021, 12:00 PM
30m
Oral Presentation Plenary Session 3

Speaker

Renaud Boussarie (CPHT, CNRS, Ecole polytechnique, IP Paris)

Description

It is customary to distinguish two main regimes of perturbative QCD processes: the Bjorken (moderate x) limit and the Regge (small x) limit. The main difficulty when addressing the continuity between these two regimes was solved recently. Indeed it was proven that semi-classical descriptions of observables in the saturated or unsaturated Regge limit, such as the Color Glass Condensate, can be entirely rewritten in terms of more familiar parton distributions encountered in the Bjorken regime, the Transverse Momentum Dependent (TMD) distributions. I will discuss this equivalence, its limits, its consequences on our understanding of the structure of hadrons. In particular, I will show how to distinguish kinematic and genuine saturation effects and how to probe them more precisely.

Primary author

Renaud Boussarie (CPHT, CNRS, Ecole polytechnique, IP Paris)

Presentation materials