A new global analysis of deep inelastic scattering data
V. Barone (U. of Torino, INFN Torino), C. Pascaud (LAL, Orsay) and, F. Zomer (LAL, Orsay)
TL;DR
This paper presents a comprehensive QCD analysis of deep inelastic scattering data, incorporating various neutrino, charged-lepton, and Drell-Yan measurements to derive precise parton distribution functions, especially for the strange quark.
Contribution
It introduces a new global fit methodology using a massive factorisation scheme and provides more accurate strange sea density estimates.
Findings
Enhanced precision in strange sea quark density
Inclusion of all available neutrino and anti-neutrino data
Provision of next-to-leading order parton distribution functions
Abstract
A new QCD analysis of Deep Inelastic Scattering (DIS) data is presented. All available neutrino and anti-neutrino cross sections are reanalysed and included in the fit, along with charged-lepton DIS and Drell-Yan data. A massive factorisation scheme is used to describe the charm component of the structure functions. Next-to-leading order parton distribution functions are provided. In particular, the strange sea density is determined with a higher accuracy with respect to other global fits.
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