Dual gauge-fixing property of the S matrix
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Dual gauge-fixing property of the S matrix

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Dual gauge-fixing property of the S matrix

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Papavassiliou, Joannis; Philippides, Kostas
This document is a artículoDate1996

Este documento está disponible también en : http://hdl.handle.net/10550/42986
The S-matrix is known to be independent of the gauge fixing parameter to all orders in perturbation theory. In this paper by employing the pinch technique we prove at one loop a stronger version of this independence. In particular we show that one can use a gauge fixing parameter for the gauge bosons inside quantum loops which is different from that used for the bosons outside loops, and the S-matrix is independent from both. Possible phenomenological applications of this result are briefly discussed.

    Papavassiliou, Joannis Philippides, Kostas 1996 Dual gauge-fixing property of the S matrix Physical Review D 54 11 6957 6962
http://dx.doi.org/10.1103/PhysRevD.54.6957

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