27 August 2017 to 1 September 2017
Other Institutes
Europe/Zurich timezone

Parton densities from a parton branching solution of QCD evolution equations

29 Aug 2017, 14:00
30m
F3-4

F3-4

Resummation and Monte Carlo generators Resummation and Monte Carlo generators

Speaker

Aleksandra Anna Lelek (Deutsches Elektronen-Synchrotron (DE))

Description

QCD evolution equations can be recast in terms of parton branching processes. We present a new numerical solution of the equations and show, that this method reproduces the semi-analytical solutions.
We discuss numerical effects of the kinematic boundary of resolvable branchings on the resulting parton distribution functions. We show, how this method can be used to determine Transverse Momentum Dependent (TMD) parton distribution functions, in addition to the usual integrated parton distributions functions.
We also show, that a very good fit to high precision HERA data can be obtained over a large range in $x$ and $Q^2$.

Primary authors

Hannes Jung (Deutsches Elektronen-Synchrotron (DE)) Aleksandra Anna Lelek (Deutsches Elektronen-Synchrotron (DE)) Radek Zlebcik (Deutsches Elektronen-Synchrotron (DE)) Francesco Hautmann (Institute of Theoretical Physics) Voica Ana Maria Radescu (University of Oxford (GB))

Presentation materials