Structure functions and form factors close to the chiral limit from lattice QCD
arXiv:hep-lat/0311017 · doi:10.1016/S0920-5632(03)02462-9
Abstract
Results for nucleon matrix elements (arising from moments of structure functions) and form factors from a mixture of runs using Wilson, clover and overlap fermions (both quenched and unquenched) are presented and compared in an effort to explore the size of the chiral `regime', lattice spacing errors and quenching artefacts. While no run covers this whole range of effects the partial results indicate a picture of small lattice spacing errors, small quenching effects and only reaching the chiral regime at rather light quark masses.
arXiv comment7 pages, 7 figures; contribution to the 2003 Workshop on Lattice Hadron Physics, Cairns, Australia; error in Fig. 4 corrected; minor text changes
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Cited by in corpus (5)
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- A lattice determination of moments of unpolarised nucleon structure functions using improved Wilson fermions
- Generalized parton distributions and transversity from full lattice QCD
- A lattice determination of g_A and <x> from overlap fermions