The pion form factor on the lattice at zero and finite temperature

Details The pion form factor on the lattice at zero and finite temperature The pion form factor on the lattice at zero and finite temperature

2004-10-05

arxiv.org/abs/hep-lat/0410006v1

Few Body Syst. 36 (2005) 119-124

Physics

High Energy Physics

High Energy Physics - Lattice

Invited talk at the Lightcone 2004 conference, Amsterdam, 16-20 August, 2004

Scientific paper

10.1007/s00601-004-0087-6

We calculate the electromagnetic form factor of the pion in quenched lattice QCD. The non-perturbatively improved Sheikoleslami-Wohlert lattice action is used together with the consistently O(a) improved current. We calculate the pion form factor for masses down to m_pi = 360 MeV, extract the charge radius, and extrapolate toward the physical pion mass. In the second part, we discuss results for the pion form factor and charge radius at 0.93 T_c and compare with zero temperature results.

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