Example of resonance saturation at one loop

O. Catà; S. Peris

doi:https://doi.org/10.1103/PhysRevD.65.056014

Example of resonance saturation at one loop

O. Catà, S. Peris

Department of Physics

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

36 Citations (Scopus)

Abstract

We argue that the large-(Formula presented) expansion of QCD can be used to treat a Lagrangian of resonances in a perturbative way. As an illustration of this we compute the (Formula presented) coupling of the chiral Lagrangian by integrating out resonance fields at one loop. Given a Lagrangian and a renormalization scheme, this is how in principle one can answer in a concrete and unambiguous manner questions such as at what scale resonance saturation takes place. © 2002 The American Physical Society.

Original language	English
Pages (from-to)	6
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	65
DOIs	https://doi.org/10.1103/PhysRevD.65.056014
Publication status	Published - 1 Jan 2002

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AB - We argue that the large-(Formula presented) expansion of QCD can be used to treat a Lagrangian of resonances in a perturbative way. As an illustration of this we compute the (Formula presented) coupling of the chiral Lagrangian by integrating out resonance fields at one loop. Given a Lagrangian and a renormalization scheme, this is how in principle one can answer in a concrete and unambiguous manner questions such as at what scale resonance saturation takes place. © 2002 The American Physical Society.

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JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

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Example of resonance saturation at one loop

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