Quark helicity flip generalized parton distributions from two-flavor lattice QCD

2005/07/01 by M. Gockeler, M. Göckeler, Ph. Hagler +8 · 5 citations
Physics and Astronomy · #Fermion #Helicity #High-Energy Particle Collisions Research #Lattice QCD #Nucleon #Particle physics #Particle physics theoretical and experimental studies #Parton #Physics #Pion #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quark #hep-lat #hep-ph

paper · pdf · doi:10.1016/j.physletb.2005.09.002

published as Phys.Lett.B627:113-123,2005 · 15 pages, 6 figures

arxiv created 2005/07/01 · openalex publication_date 2005/09/16 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We present an initiatory study of quark helicity flip generalized parton distributions (GPDs) in nf=2 lattice QCD, based on clover-improved Wilson fermions for a large number of coupling constants and pion masses. Quark helicity flip GPDs yield essential information on the transverse spin structure of the nucleon. In this work, we show first results on their lowest moments and dipole masses and study the corresponding chiral and continuum extrapolations.

Citations

• Spin Structure Functions from Lattice QCD
• The Drell-Yan process and deep inelastic scattering from the lattice
• Axial and tensor charge of the nucleon with dynamical fermions
• Generalized parton distributions and transversity from full lattice QCD
• Non-perturbative renormalisation of composite operators in lattice QCD
• Tensor charge of the nucleon in lattice QCD
• Helicity dependent and independent generalized parton distributions of the nucleon in lattice QCD
• Generalized parton distributions and structure functions from full lattice QCD
• Generalized parton distributions with helicity flip
• Transverse deformation of parton distributions and transversity decomposition of angular momentum
• Towards a lattice calculation of Δq and δq

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• Gluon gravitational form factors at large momentum transfer
• Nucleon generalized parton distributions from full lattice QCD
• Helicity-dependent generalized parton distributions for nonzero skewness