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Epsilon'/Epsilon in the Standard Model: Theoretical Update

AuthorsPich, Antonio
Issue Date2005
PublisherEuropean Organization for Nuclear Research
CitationProceedings 32º ICHEP (2004)
AbstractA complete analysis of isospin breaking in K to 2 pion amplitudes, including both strong and electromagnetic corrections at next-to-leading order in chiral perturbation theory, has been achieved recently.We discuss the implication of these effects, together with the previously known chiral loop corrections, on the direct CP-violating ratio epsilon'/epsilon. One finds Re(epsilon'/epsilon) = (19^{+11}_{-9}) 10^{-4}.
Description4 páginas, 1 figura.-- Comunicación presentada en el 32nd International Conference on High-energy Physics celebrado del 16 al 22 de Agosto de 2004 en Beijing (China).-- arXiv:hep-ph/0410215v1
Publisher version (URL)http://cdsweb.cern.ch/record/798624?ln=es
Appears in Collections:(IFIC) Libros y partes de libros
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