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Probing nucleon structure on the lattice |
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| Authors: | M. Göckeler Ph. Hägler R. Horsley Y. Nakamura D. Pleiter P. E. L. Rakow A. Schäfer G. Schierholz W. Schroers H. Stüben J. M. Zanotti |
| Affiliation: | 1. Institut für Theoretische Physik, Universit?t Regensburg, 93040, Regensburg, Germany 2. Physik-Department der TU München, Institut für Theoretische Physik T39, 85747, Garching, Germany 3. School of Physics, University of Edinburgh, EH9 3JZ, Edinburgh, UK 4. John von Neumann-Institut für Computing NIC/DESY, 15738, Zeuthen, Germany 5. Theoretical Physics Division, Department of Mathematical Sciences, University of Liverpool, L69 3BX, Liverpool, UK 6. Deutsches Elektronen-Synchrotron DESY, 22603, Hamburg, Germany 7. Konrad-Zuse-Zentrum für Informationstechnik Berlin, 14195, Berlin, Germany |
| Abstract: | The QCDSF/UKQCD Collaboration has an ongoing program to calculate nucleon matrix elements with two flavours of dynamical O(a) improved Wilson fermions. Here we present recent results on the electromagnetic form factors, the quark momentum fraction 〈x〉 and the first three moments of the nucleon's spin-averaged and spin-dependent generalised parton distributions, including preliminary results with pion masses as low as 320MeV. |
| Keywords: | 12.38.Gc Lattice QCD calculations 13.40.Gp Electromagnetic form factors |
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