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Systematic Analysis of Double-scale Evolution by Ignazio Scimemi; Alexey Vladimirov is a Physics and Astronomy article available to read on EtoBox.

What is Systematic Analysis of Double-scale Evolution about?

Abstract Often the factorization of differential cross sections results in the definition of fundamental hadronic functions/distributions which have a double-scale evolution, as provided by a pair of coupled equations. Typically, the two scales are the renormalization and rapidity scales. The two-dimensional structure of their evolution is the object of the present study. In order to be more specific, we consider the case of the transverse momentum dependent distributions (TMD). Nonetheless, most of our findings can be used with other double-scale parton distributions. On the basis of the two-dimensional structure of TMD evolution, we formulate the general statement of the ζ-prescription introduced in [1], and we define an optimal TMD distribution, which is a scaleless model-independent universal non-perturbative function. Within this formulation the non-perturbative definition of the distribution is disentangled from the evolution, which clarifies the separation of perturbative and non-perturbative effects in the phenomenology. A significant part of this work is devoted to the study of the effects of truncation of perturbation theory on the double-scale evolution. We show that wit

Who reads Systematic Analysis of Double-scale Evolution?

Author

Ignazio Scimemi; Alexey Vladimirov

Publisher

Springer-Verlag; Springer Verlag; Berlin; Heidelberg: Springer, 1997; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 1126-6708)

Published

2018

Language

EN

Field

Physics and Astronomy (Physical Sciences)