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Studying $\varepsilon$'\/$\varepsilon$ in the chiral quark model: $\gamma_{5}$-scheme independence and NLO hadronic matrix elements

We study the CP-violating, |\Delta S| =1 parameter \varepsilon '/\varepsilon by computing the hadronic matrix elements in the chiral quark model. We estimate the coefficients of the next-to-leading order terms in the chiral expansion that correspond to the operators Q_6 and Q_{11}. We consider...

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Detalles Bibliográficos
Autores principales: Bertolini, S, Eeg, Jan O, Fabbrichesi, Marco E
Lenguaje:eng
Publicado: 1994
Materias:
Acceso en línea:https://dx.doi.org/10.1016/0550-3213(95)00274-V
http://cds.cern.ch/record/269585