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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 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/42986 |
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| 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. | |||
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Papavassiliou, Joannis Philippides, Kostas 1996 Dual gauge-fixing property of the S matrix Physical Review D 54 11 6957 6962 |
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| http://dx.doi.org/10.1103/PhysRevD.54.6957 |
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22 - Física [3725]