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From obscurity to two-loop respectability: progress in the light-cone gauge
We evaluate the complete two-loop correction Sigma /sub 2/ to the quark propagator in the light-cone gauge. It is shown that the total divergent contribution to Sigma /sub 2/ is a local function of the external momentum p, even off the mass-shell, since all nonlocal divergent terms cancel exactly. O...
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| Lenguaje: | eng |
| Publicado: |
2000
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| Acceso en línea: | https://dx.doi.org/10.1016/S0920-5632(00)00864-1 http://cds.cern.ch/record/504125 |