Mesonic Form Factors
LHPC Collaboration: Frederic D. R. Bonnet (1, 2), Robert G. Edwards, (2), George T. Fleming (2), Randy Lewis (1), David G. Richards (2) ((1), University of Regina, (2) Jefferson Lab)
TL;DR
This paper discusses a computational program to determine mesonic electromagnetic form factors, presenting preliminary lattice QCD results for the pion and potential extensions to rho-to-gamma-pi transitions.
Contribution
It introduces computational techniques for mesonic form factors and provides initial lattice QCD results for the pion form factor.
Findings
Preliminary pion form factor results obtained with domain wall and Wilson fermions.
Methods can be extended to rho-to-gamma-pi transition form factors.
Framework established for future detailed computations.
Abstract
We have started a program to compute the electromagnetic form factors of mesons. We discuss the techniques used to compute the pion form factor and present preliminary results computed with domain wall valence fermions on MILC asqtad lattices, as well as Wilson fermions on quenched lattices. These methods can easily be extended to rho-to-gamma-pi transition form factors.
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