Electric Polarizabilities from Lattice QCD

Details Electric Polarizabilities from Lattice QCD Electric Polarizabilities from Lattice QCD

2008-09-03

arxiv.org/abs/0809.0721v1

PoS LATTICE2008:147,2008

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 5 figures, talk given at Lattice-08

Scientific paper

The response of hadrons to electromagnetic probes is highly constrained by chiral dynamics; but, in some cases, predictions have not compared well with experimental data. The lattice can be used to test the chiral electromagnetism of hadrons and ultimately confront experiment. We use background field techniques to study the electromagnetic polarizabilities of hadrons. Focusing on simulations in background electric fields, we present preliminary results for both charged and neutral particle polarizabilities. The former are extracted using a novel method.

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