Physical nucleon form factors from lattice QCD
Date
2006
Authors
Matevosyan, H.
Miller, G.
Thomas, A.
Editors
Barnes, P.
Cooper, M.
Eisenstein, R.
van Hecke, H.
Stephenson, G.
Cooper, M.
Eisenstein, R.
van Hecke, H.
Stephenson, G.
Advisors
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Conference paper
Citation
Proceedings of the Seventeenth International Conference on Particles and Nuclei, 2006: pp.312-314
Statement of Responsibility
Hrayr H. Matevosyan, Gerald A. Miller and Anthony W. Thomas
Conference Name
International Conference on Particles and Nuclei (17th : 2005 : Santa Fe, New Mexico)
Abstract
We explore the possibility of extrapolating state of the art lattice QCD calculations of nucleon electromagnetic form factors to the physical regime. We find that the lattice results can be reproduced using the Light Front Cloudy Bag Model by letting its parameters be analytic functions of the quark mass. We then use the model to extrapolate the lattice result to the physical value of the pion mass, thereby allowing us to study how the predicted zero in G <inf>E</inf>(Q<sup>2</sup>)/G<inf>M</inf>(Q<sup>2</sup>) for proton varies as a function of quark mass. © 2006 American Institute of Physics.
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©2006 American Institute of Physics