Test of two new parameterizations of the Generalized Parton Distribution $H$

Understand

In 2011 Radyushkin outlined the practical implementation of the One-Component Double Distribution formalism in realistic Generalized Parton Distribution models.

• We compare the One-Component Double Distribution framework to the standard one and compute Deeply Virtual Compton Scattering observables for both.
• In particular the new implementation is more flexible, offering a greater range of variation of the real and imaginary parts of the associated Compton Form Factor while still allowing to recover results similar to the classical approach.
• Moreover the polynomiality property is satisfied up to the highest order.