Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-07-13
Annals Phys. 280 (2000) 100-139
Physics
High Energy Physics
High Energy Physics - Phenomenology
43 pages, LaTeX2e, 1 figure
Scientific paper
10.1006/aphy.1999.5982
The renormalization of chiral perturbation theory is carried out to next-to-next-to-leading order in the meson sector. We calculate the divergent part of the generating functional of Green functions of quark currents to O(p^6) for chiral SU(n), involving one- and two-loop diagrams. The renormalization group equations for the renormalized low-energy constants of O(p^6) are derived. We compare our results with previous two-loop calculations in chiral perturbation theory.
Bijnens Johan
Colangelo Gilberto
Ecker Gerhard
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