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Meson-Meson Scattering in Lattice QED_2+1

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arxiv hep-lat/9210036 v1 pith:WUPSUWFP submitted 1992-10-28 hep-lat

H. R. Fiebig (Physics Department FIU University Park Miami , Florida 33199 , USA) , R. M. Woloshyn (TRIUMF , 4004 Wesbrook Mall , Vancouver , B.C. , Canada) This is my paper · ORCID
classification hep-lat
keywords scatteringlatticemeson-mesonobtainphaseshiftsattractioncomputed
verification ladder T0 review T1 audit T2 compute T3 formal
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Scattering phase shifts of a meson-meson system in staggered 3-dimensional lattice QED are computed. The main task of the simulation is to obtain a discrete set of two-body energy levels. These are extracted from a 4-point time correlation matrix and then used to obtain scattering phase shifts. The results for the l=0 and l=2 partial waves are consistent with short- range repulsion and intermediate-range attraction of the residual meson- meson interaction.

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