On the connection between the pinch technique and the background field method

Details On the connection between the pinch technique and the background field method On the connection between the pinch technique and the background field method

1994-10-26

arxiv.org/abs/hep-ph/9410385v1

Phys.Rev. D51 (1995) 856-861

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages and 3 figures, all included in a uuencoded file, to appear in Physical Review D

Scientific paper

10.1103/PhysRevD.51.856

The connection between the pinch technique and the background field method is further explored. We show by explicit calculations that the application of the pinch technique in the framework of the background field method gives rise to exactly the same results as in the linear renormalizable gauges. The general method for extending the pinch technique to the case of Green's functions with off-shell fermions as incoming particles is presented. As an example, the one-loop gauge independent quark self-energy is constructed. We briefly discuss the possibility that the gluonic Green's functions, obtained by either method, correspond to physical quantities.

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