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Two-loop pinch technique in the electroweak sector
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Two-loop pinch technique in the electroweak sector
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| dc.contributor.author | Binosi, Daniele | |
| dc.contributor.author | Papavassiliou, Joannis | |
| dc.date.accessioned | 2015-04-10T08:28:37Z | |
| dc.date.available | 2015-04-10T08:28:37Z | |
| dc.date.issued | 2002 | |
| dc.identifier.citation | Binosi, Daniele Papavassiliou, Joannis 2002 Two-loop pinch technique in the electroweak sector Physical Review D 66 7 076010 | |
| dc.identifier.uri | http://hdl.handle.net/10550/43007 | |
| dc.description.abstract | The generalization of the two-loop Pinch Technique to the Electroweak Sector of the Standard Model is presented. We restrict ourselves to the case of conserved external currents, and provide a detailed analysis of both the charged and neutral sectors. The crucial ingredient for this construction is the identification of the parts discarded during the pinching procedure with well-defined contributions to the Slavnov-Taylor identity satisfied by the off-shell one-loop gauge-boson vertices; the latter are nested inside the conventional two-loop self-energies. It is shown by resorting to a set of powerful identities that the two-loop effective Pinch Technique self-energies coincide with the corresponding ones computed in the Background Feynman gauge. The aforementioned identities are derived in the context of the Batalin-Vilkovisky formalism, a fact which enables the individual treatment of the self-energies of the photon and the $Z$-boson. Some possible phenomenological applications are briefly discussed. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2002, vol. 66, num. 7, p. 076010 | |
| dc.subject | Física | |
| dc.title | Two-loop pinch technique in the electroweak sector | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-04-10T08:28:38Z | |
| dc.identifier.doi | 10.1103/PhysRevD.66.076010 | |
| dc.identifier.idgrec | 091148 | |
| dc.rights.accessRights | open access | es_ES |
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