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Nucleon electromagnetic form factors on the lattice and in chiral effective field theory

M. Göckeler1,2, T. R. Hemmert3, R. Horsley4, D. Pleiter5, P. E. L. Rakow6, A. Schäfer2, and G. Schierholz5,7 (QCDSF collaboration)

  • 1Institut für Theoretische Physik, Universität Leipzig, D-04109 Leipzig, Germany
  • 2Institut für Theoretische Physik, Universität Regensburg, D-93040 Regensburg, Germany
  • 3Physik-Department, Theoretische Physik, Technische Universität München, D-85747 Garching, Germany
  • 4School of Physics, University of Edinburgh, Edinburgh EH9 3JZ, UK
  • 5John von Neumann-Institut für Computing NIC, Deutsches Elektronen-Synchrotron DESY, D-15738 Zeuthen, Germany
  • 6Theoretical Physics Division, Department of Mathematical Sciences, University of Liverpool, Liverpool L69 3BX, UK
  • 7Deutsches Elektronen-Synchrotron DESY, D-22603 Hamburg, Germany

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Phys. Rev. D 71, 034508 – Published 23 February, 2005

DOI: https://doi.org/10.1103/PhysRevD.71.034508

Abstract

We compute the electromagnetic form factors of the nucleon in quenched lattice QCD, using nonperturbatively improved Wilson fermions, and compare the results with phenomenology and chiral effective field theory.

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Phys. Rev. D 71, 034508– Published 23 February, 2005
  • Received 26 August 2003

© 2005 American Physical Society

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