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

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

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.

Original language	English
Pages (from-to)	295-298
Number of pages	4
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 - 1991 Aug
Externally published	Yes

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10.1016/0920-5632(91)90694-A

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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.",

author = "Albert Bramon and Johan Bijnens and Fernando Cornet",

year = "1991",

month = aug,

doi = "10.1016/0920-5632(91)90694-A",

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journal = "Nuclear Physics B - Proceedings Supplements",

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AU - Bramon, Albert

AU - Bijnens, Johan

AU - Cornet, Fernando

PY - 1991/8

Y1 - 1991/8

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.

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.

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

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

M3 - Article

AN - SCOPUS:33744678852

SN - 0920-5632

VL - 23

SP - 295

EP - 298

JO - Nuclear Physics B - Proceedings Supplements

JF - Nuclear Physics B - Proceedings Supplements

IS - 2

ER -

Corrections to the Weiss-Zumino term in chiral perturbation theory

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