Volume 352 -
XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2019) -
Working Group 1: Structure Function and Parton Densiies
Recent QCD results from the xFitter project - Probing the strange content of the proton with charmproduction in charged current at LHeC
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Pre-published on:
August 17, 2019
Published on:
October 04, 2019
Abstract
We investigate charm production in charged-current deep-inelastic
scattering (DIS) using the xFitter program. xFitter is an open-source
software framework for the determination of PDFs and the analysis of
QCD physics, and has been used for a variety of LHC studies. The
study of charged current DIS charm production provides an important
perspective on the strange quark PDF, s(x). We make use of the
xFitter tools to study the present s(x) constraints, and then use
LHeC pseudodata to infer how these might improve. Furthermore, as
xFitter implements both Fixed Flavor and Variable Flavor number
schemes, we can examine the impact of these different theoretical
choices; this highlights some interesting aspects of multi-scale
calculations. This study provides a practical illustration of the
many features of xFitter.
We investigate charm production in charged-current deep-inelastic
scattering (DIS) using the xFitter program. xFitter is an open-source
software framework for the determination of PDFs and the analysis of
QCD physics, and has been used for a variety of LHC studies. The
study of charged current DIS charm production provides an important
perspective on the strange quark PDF, s(x). We make use of the
xFitter tools to study the present s(x) constraints, and then use
LHeC pseudodata to infer how these might improve. Furthermore, as
xFitter implements both Fixed Flavor and Variable Flavor number
schemes, we can examine the impact of these different theoretical
choices; this highlights some interesting aspects of multi-scale
calculations. This study provides a practical illustration of the
many features of xFitter.
DOI: https://doi.org/10.22323/1.352.0025
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.