24–28 Mar 2025
Europe/Zurich timezone

Fantômas: advanced polynomial parametrizations for parton distributions

26 Mar 2025, 09:44
22m
Atlantic Suite

Atlantic Suite

Structure Functions and Parton Densities WG1: Structure Functions and Parton Densities

Speakers

Aurore Courtoy (Instituto de Física, UNAM)Dr TIMOTHY J HOBBS (Argonne National Laboratory)Prof. Fred Olness (Southern Methodist University (US))

Description

Fantômas is a C++ module implemented in xFitter for universal approximation of parton densities and other quantum correlator functions using Bézier curves. We review its operating principles and an application of the Fantômas framework to obtain parton distributions in a charged pion with detailed estimates of parametrization and nuclear uncertainties.

Authors

Aurore Courtoy (Instituto de Física, UNAM) Lucas Kotz Max Ponce Chavez Dr TIMOTHY J HOBBS (Argonne National Laboratory) Prof. Fred Olness (Southern Methodist University (US)) Prof. Pavel Nadolsky (Michigan State University)

Presentation materials