Nucleon Magnetic Moments and Electric Polarizabilities

Details Nucleon Magnetic Moments and Electric Polarizabilities Nucleon Magnetic Moments and Electric Polarizabilities

2010-08-11

arxiv.org/abs/1008.2011v1

PoS Lattice2010:161,2010

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 3 figures, talk given at the XXVIII International Symposium on Lattice Field Theory, Villasimius, Italy, June 14-19,

Scientific paper

Electromagnetic properties of the nucleon are explored with lattice QCD using a novel technique. Focusing on background electric fields, we show how the electric polarizability can be extracted from nucleon correlation functions. A crucial step concerns addressing contributions from the magnetic moment, which affects the relativistic propagation of nucleons in electric fields. By properly handing these contributions, we can determine both magnetic moments and electric polarizabilities. Lattice results from anisotropic clover lattices are presented. Our method is not limited to the neutron; we show results for the proton as well.

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