. Nakamura, Bs)SL with respect to B(Bs ? DsX) (left) and of fs versus the value of the center of mass energy of the 2008 BaBar scan (right) [20]. The statistical and additional systematic uncertainties are plotted separately, FIG. Rev. Mod. Phys. J. Phys, vol.480, pp.1161-1198, 2008.

R. Aajj, LHCb Collaboration, Nuclear Physics A, vol.932, p.698, 2011.
DOI : 10.1016/S0375-9474(14)00603-4