Pion and $ρ$-meson form factors using four-point functions in N$_F$=2 QCD

Details Pion and $ρ$-meson form factors using four-point functions in N$_F$=2 QCD Pion and $ρ$-meson form factors using four-point functions in N$_F$=2 QCD

2007-10-12

arxiv.org/abs/0710.2441v1

PoSLAT2007:150,2007

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 6 figures, talk presented at the XXV International Symposium on Lattice Field Theory, July 30 - August 4 2007, Regens

Scientific paper

Hadron wave functions and form factors can be extracted using four-point correlators. Stochastic techniques are used to estimate the all to all propagators, which are required for the exact calculation of four-point functions. We apply the so called one-end trick to evaluate meson four-point functions. We demonstrate the effectiveness of the technique in the case of the pion and the $\rho$-meson where we extract their charge distribution, as well as the form factors.

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