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We give comments on the recent paper by Giunti (Phys. Lett. B 665, 92 (2008),arXiv: 0805.0431 [hep-ph]) with a critique of our explanation of theexperimentally observed periodic time-dependence of the interference term inthe rate of the K-shell electron capture decay of the H-like ions 140Pr58+ and142Pm60+ as a two-neutrino-flavour mixing. We show also that this phenomenoncannot be explained by a coherent mixing of two states of a mother ion asproposed by Giunti.

Comments on "Rates of processes with coherent production of different  particles and the GSI time anomaly"by C. Giunti, Phys. Lett. B 665, 92  (2008), 0805.0431