Direct CP violation in with – mixing effects: phenomenological approach Z.J. Ajaltouni, O. Leitner, P. Perret, C. Rimbault and A.W. Thomas Eur. Phys. J. C, 29 2 (2003) 215-233 Published online: 23 May 2003 DOI: 10.1140/epjc/s2003-01219-0