Tool for studying the 3D quark and gluon distributions in the nucleon
Gepard is software for analysis of three-dimensional distribution of quarks and gluons in hadrons, encoded in terms of the so-called Generalized Parton Distributions (GPDs).
This web site has manifold purpose:
Documentation of the software
Examples of the use of software
Interface to various representations of results: numerical and graphical
Interface to datasets used in analyses: numerical and graphical