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pi(0)-pi mixing and CP violation

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	Ecker, Gerhard; Müller, Guido; Neufeld, Helmut; Pich Zardoya, Antonio Perfil
	This document is a artículoDate2000
	Este documento está disponible también en : http://hdl.handle.net/10550/42359
	We discuss pi(0)-eta mixing and its implication for epsilon'/epsilon to next-to-leading order in the low-energy expansion. The big effect due to eta-eta' mixing is shown to be largely cancelled by other contributions occurring at the same order in the chiral expansion.
	Ecker, Gerhard Müller, Guido Neufeld, Helmut Pich Zardoya, Antonio 2000 pi(0)-pi mixing and CP violation Physics Letters B 477 1-3 88 92
	http://dx.doi.org/10.1016/S0370-2693(00)00213-6