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Título : Isospin violation in epsilon'
Autor : Cirigliano, Vincenzo, Pich, Antonio, Ecker, Gerhard, Neufeld, Helmut
Fecha de publicación : 17-Oct-2003
Editor: American Physical Society
Resumen: On the basis of a next-to-leading-order calculation in chiral perturbation theory, the first complete analysis of isospin breaking for direct CP violation in K0→2π decays is performed. We find a destructive interference between three different sources of isospin violation in the CP violation parameter epsilon'. Within the uncertainties of large-Nc estimates for the low-energy constants, the isospin violating correction for epsilon' is below 15%.
Descripción : 4 páginas, 1 tabla.-- PACS numbers: 12.39.Fe, 11.30.Er, 13.25.Es
Versión del editor: http://dx.doi.org/10.1103/PhysRevLett.91.162001
URI : http://hdl.handle.net/10261/33123
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.91.162001
Citación : Physical Review Letters 91(16): 162001 (2003)
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