Corrections to the Weiss-Zumino term in chiral perturbation theory

Albert Bramon; Johan Bijnens; Fernando Cornet

doi:10.1016/0920-5632(91)90694-A

Corrections to the Weiss-Zumino term in chiral perturbation theory

Albert Bramon, Johan Bijnens, Fernando Cornet

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

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Abstract

All the terms needed to cancel the divergences appearing in one-loop calculations involving the Wess-Zumino term are obtained. We apply this result to the Pγγ and PPPγ vertices, fixing the finite part of the coefficients of the O(p6) terms in the lagrangian with vector meson contributions. In all the cases the corrections improve the agreement between the theoretical predictions and experimental data. © 1991.

Original language	English
Pages (from-to)	295-298
Journal	Nuclear Physics B (Proceedings Supplements)
Volume	23
Issue number	2
DOIs	https://doi.org/10.1016/0920-5632(91)90694-A
Publication status	Published - 1 Jan 1991

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title = "Corrections to the Weiss-Zumino term in chiral perturbation theory",

abstract = "All the terms needed to cancel the divergences appearing in one-loop calculations involving the Wess-Zumino term are obtained. We apply this result to the Pγγ and PPPγ vertices, fixing the finite part of the coefficients of the O(p6) terms in the lagrangian with vector meson contributions. In all the cases the corrections improve the agreement between the theoretical predictions and experimental data. {\textcopyright} 1991.",

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AU - Bramon, Albert

AU - Bijnens, Johan

AU - Cornet, Fernando

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N2 - All the terms needed to cancel the divergences appearing in one-loop calculations involving the Wess-Zumino term are obtained. We apply this result to the Pγγ and PPPγ vertices, fixing the finite part of the coefficients of the O(p6) terms in the lagrangian with vector meson contributions. In all the cases the corrections improve the agreement between the theoretical predictions and experimental data. © 1991.

AB - All the terms needed to cancel the divergences appearing in one-loop calculations involving the Wess-Zumino term are obtained. We apply this result to the Pγγ and PPPγ vertices, fixing the finite part of the coefficients of the O(p6) terms in the lagrangian with vector meson contributions. In all the cases the corrections improve the agreement between the theoretical predictions and experimental data. © 1991.

U2 - 10.1016/0920-5632(91)90694-A

DO - 10.1016/0920-5632(91)90694-A

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