Flavor Physics at ATLAS: Status and Perspectives

In this note, the first flavor physics results of ATLAS based on an integrated luminosity up to are presented. This includes measurements of hidden and open charm production with J/ψ and D-mesons. The agreement of the measured mass values with the PDG world averages and the signal widths with the Monte Carlo expectations is very good demonstrating a good understanding of the detector performance already with the first data. Furthermore, the tagging of b-jets based on decay length and impact parameters originating form B-meson decays is shown with first data. The note concludes with an outlook to the higher luminosity phase including aside from heavy quarkonia studies also the prospects to measure the rare B-decays such as as Bs→μ+μ− and precise measurements for the B-meson family.