Comment on Resolving the sign ambiguity in $Delta Gamma_s$ with $B_s to D_s K$


Abstract in English

This is a comment on the recent paper by Soumitra Nandi1 and Ulrich Nierste ``Resolving the sign ambiguity in $Delta Gamma_s$ with $B_s to D_s K$, arXiv:0801.0143 [hep-ph].

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