Integrating out the heaviest quark in N--flavour ChPT

Details Integrating out the heaviest quark in N--flavour ChPT Integrating out the heaviest quark in N--flavour ChPT

2011-07-04

arxiv.org/abs/1107.0598v2

Eur.Phys.J.C71:1732,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 1 figure. Text and references added. To appear in EPJC

Scientific paper

10.1140/epjc/s10052-011-1732-0

We extend a known method to integrate out the strange quark in three flavour chiral perturbation theory to the context of an arbitrary number of flavours. As an application, we present the explicit formulae to one--loop accuracy for the heavy quark mass dependency of the low energy constants after decreasing the number of flavours by one while integrating out the heaviest quark in N--flavour chiral perturbation theory.

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