Preliminary lattice QCD results extract the charged kaon electric polarizability from four-point functions, finding a positive total made of a positive elastic term and a smaller negative inelastic term.
Lattice Charge Overlap II: Aspects of Charged Pion Polarizability
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abstract
Formulas are developed for use in lattice studies of charged hadron polarizabilities. In particular, the valence quark different-flavor component of the charged pion polarizability is examined on a $16^{3}\times 24$ lattice at $\beta=6.0$ using Wilson fermions. Using the elastic limit results of Part I of this series, it is concluded that this represents a small negative component of the full charged polarizabilty.
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Electric Polarizability of Charged Kaons from Lattice QCD Four-Point Functions
Preliminary lattice QCD results extract the charged kaon electric polarizability from four-point functions, finding a positive total made of a positive elastic term and a smaller negative inelastic term.