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Two-loop quark self-energy in a new formalism; 1, overlapping divergences
A new integration technique for multi-loop Feynman integrals, called the \it matrix method\rm, is developed and then applied to the divergent part of the overlapping two-loop quark self-energy function \,i\Sigma\, in the light-cone gauge \ n\!\cdot\!A^a(x)=0,\ n^2=0. It is shown that the coefficient...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1994
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| Acceso en línea: | https://dx.doi.org/10.1016/0550-3213(94)00599-A http://cds.cern.ch/record/270527 |