Systematic uncertainties from higher-twist corrections in DIS at large x

Abstract

We investigate the systematic uncertainties and potential biases arising from the inclusion of large-$x$ corrections to proton and deuteron deep inelastic scattering (DIS) data in global quantum chromodynamics (QCD) analyses. Using the CTEQ-JLab framework, we examine various approaches to implementing higher-twist corrections in nucleon structure functions and off-shell PDF modifications in deuteron targets. We analyze how these components interact and influence the determination of the $d$-quark PDF and the neutron structure function at large $x$. We find that it is very important to consider isospin-dependent higher-twist corrections in order to minimize implementation biases in the extracted quantities.

Minor changes to match published version

References in corpus (62)

• An accurate nucleon-nucleon potential with charge-independence breaking
• The high-precision, charge-dependent Bonn nucleon-nucleon potential (CD-Bonn)
• Parton Distribution Functions, ${\alpha }_s$ and Heavy-Quark Masses for LHC Run II
• Measurement of the proton and deuteron structure functions, F2p and F2d, and of the ratio sigma(L)/sigma(T)
• Parton distribution functions and benchmark cross sections at NNLO
• Physics Opportunities with the 12 GeV Upgrade at Jefferson Lab
• QCD Constrains on the Shape of Polarized Quark and Gluon Distributions
• Constraints on large-$x$ parton distributions from new weak boson production and deep-inelastic scattering data
• A posteriori inclusion of parton density functions in NLO QCD final-state calculations at hadron colliders: The APPLGRID Project
• Global performance of covariant energy density functionals: ground state observables of even-even nuclei and the estimate of theoretical uncertainties
• Global Study of Nuclear Structure Functions
• Uncertainties of predictions from parton distributions. I: Theoretical errors
• Leptoproduction of Heavy Quarks I-- General Formalism and Kinematics of Charged Current and Neutral Current Production Processes
• Treatment of Heavy Quarks in Deeply Inelastic Scattering
• Distribution Functions of the Nucleon and Pion in the Valence Region
• Global parton distributions with nuclear and finite-Q^2 corrections
• Non--Singlet QCD Analysis of Deep Inelastic World Data at \boldmath $O({\alpha }_s^3)$
• Neutron/Proton Structure Function Ratio at Large x
• A Critical Appraisal and Evaluation of Modern PDFs
• Accurate Measurement of F2d/F2p and Rd-Rp
• A Review of Target Mass Corrections
• Deep Inelastic Scattering from off-Shell Nucleons
• Direct Measurement of the $W$ Production Charge Asymmetry in $\ppbar$ Collisions at $\sqrt{s}=1.96$ TeV
• Hadron structure in high-energy collisions
• Shadowing, Binding and Off-Shell Effects in Nuclear Deep Inelastic Scattering
• Valence Quark Spin Distribution Functions
• Measurement of the Forward-Backward Charge Asymmetry from W --> e nu Production in p anti-p Collisions at s**(1/2) = 1.96 TeV
• Tau neutrino deep inelastic charged current interactions
• New parton distributions from large-x and low-Q^2 data
• Measurement of the structure function of the nearly free neutron using spectator tagging in inelastic ${}^2$H(e, e'p)X scattering with CLAS
• Measurement of the electron charge asymmetry in $\mathbf{p}\bar{\mathbf{p}}\to \mathbf{W}+\mathbf{X}\to \mathbf{e\nu }+\mathbf{X}$ decays in $\mathbf{p}\bar{\mathbf{p}}$ collisions at $\sqrt{\mathbf{s}}=1.96$ TeV
• Parton momentum and helicity distributions in the nucleon
• Relativistic Deuteron Structure Function
• Nucleon spin structure at very high-x
• Measurement of the neutron F2 structure function via spectator tagging with CLAS
• Parton distributions with threshold resummation
• Measurement of the muon charge asymmetry in ppbar to W + X to mu nu + X events at sqrt{s} = 1.96 TeV
• SPIN-DEPENDENT NUCLEAR STRUCTURE FUNCTIONS: GENERAL APPROACH WITH APPLICATION TO THE DEUTERON
• Higher Twist Contributions to the Structure Functions F_2^p(x,Q^2) and F_2^d(x,Q^2) at Large x and Higher Orders
• Nuclear parton distributions and the Drell-Yan process
• Nuclear Effects in the Deuteron and Constraints on the d/u Ratio
• Collinear factorization for deep inelastic scattering structure functions at large Bjorken xB
• Covariant spectator theory of np scattering: Effective range expansions and relativistic deuteron wave functions
• Next-to leading order analysis of target mass corrections to structure functions and asymmetries
• Isospin Dependence of Power Corrections in Deep Inelastic Scattering
• Soft-gluon resummation effects on parton distributions
• Inclusive Measurements of Inelastic Electron and Positron Scattering from Unpolarized Hydrogen and Deuterium Targets
• Measurement of the $\mathbf{W}$ Boson Production Charge Asymmetry in $\mathbf{p}\bar{\mathbf{p}}\to \mathbf{W}+\mathbf{X}\to \mathbf{e\nu }+\mathbf{X}$ Events at $\sqrt{\mathbf{s}}=1.96$ TeV
• New method for extracting neutron structure functions from nuclear data
• Isovector EMC effect from global QCD analysis with MARATHON data
• Parton Distributions and New Physics Searches: the Drell-Yan Forward-Backward Asymmetry as a Case Study
• Parton distributions in the presence of target mass corrections
• Interplay of Threshold Resummation and Hadron Mass Corrections in Deep Inelastic Processes
• Deuterium scattering experiments in CTEQ global QCD analyses: a comparative investigation
• Light-Front spin-dependent Spectral Function and Nucleon Momentum Distributions for a Three-Body System
• Disentangling SMEFT operators with future low-energy PVES experiments
• Nuclear effects in the proton-deuteron Drell-Yan process
• Deuteron spin structure functions in the resonance and DIS regions
• Target mass corrections in lepton--nucleus DIS: theory and applications to nuclear PDFs
• Light quark and antiquark constraints from new electroweak data
• Off-shell effects in bound nucleons and parton distributions from ${}^1$H, ${}^2$H, ${}^3$H and ${}^3$He data
• Extraction of the neutron F2 structure function from inclusive proton and deuteron deep-inelastic scattering data

Cited by in corpus (1)

• Determination of proton PDF uncertainties with Markov chain Monte Carlo