Electromagnetic Splittings and Light Quark Masses in Lattice QCD
Electromagnetic Splittings and Light Quark Masses in Lattice QCD
A method for computing electromagnetic properties of hadrons in lattice QCD is described and preliminary numerical results are presented. The electromagnetic field is introduced dynamically, using a noncompact formulation. Employing enhanced electric charges, the dependence of the pseudoscalar meson mass on the (anti)quark charges and masses can be accurately calculated. …