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Gauge-invariant 3-boson vertices and their ward identities in the standard model
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Gauge-invariant 3-boson vertices and their ward identities in the standard model
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| dc.contributor.author | Papavassiliou, Joannis | |
| dc.contributor.author | Philippides, Kostas | |
| dc.date.accessioned | 2015-04-10T07:59:27Z | |
| dc.date.available | 2015-04-10T07:59:27Z | |
| dc.date.issued | 1995 | |
| dc.identifier.citation | Papavassiliou, Joannis Philippides, Kostas 1995 Gauge-invariant 3-boson vertices and their ward identities in the standard model Physical Review D 52 4 2355 2378 | |
| dc.identifier.uri | http://hdl.handle.net/10550/42984 | |
| dc.description.abstract | In the context of the Standard Model we extend the S--matrix pinch technique for non--conserved currents to the case of three boson vertices. We outline in detail how effective gauge invariant three boson vertices can be constructed, with all three incoming momenta {\it off--shell}. Explicit closed expressions for the vertices γW−W+, ZW−W+, and χW−W+ are reported. The three boson vertices so constructed satisfy naive QED--like Ward identities which relate them to the gauge invariant gauge boson self--energies previously constructed by the same method. The derivation of the aforementioned Ward identities relies on the sole requirement of complete gauge invariance of the S--matrix element considered; in particular, no knowledge of the explicit closed form of the three boson vertices involved is necessary.The validity of one of these Ward identities is demonstrated explicitly, through a detailed diagrammatic one-loop analysis, in the context of three different gauges. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 1995, vol. 52, num. 4, p. 2355-2378 | |
| dc.subject | Física | |
| dc.title | Gauge-invariant 3-boson vertices and their ward identities in the standard model | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-04-10T07:59:27Z | |
| dc.identifier.doi | 10.1103/PhysRevD.52.2355 | |
| dc.identifier.idgrec | 091126 | |
| dc.rights.accessRights | open access | es_ES |
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