Measuring D0-(D-bar)0 mixing in D→F0(980)K* and more

We investigate the D0-(D-bar)0 mixing through the doubly Cabibbo suppressed (DCS) channel D0→ f0(980)K*0 and its charge conjugate channel, in which the K*0 meson is reconstructed in both K+π- and Ksπ0 final state. Although the decay D0→f0(980)K* has a small branching ratio, the final state mesons are relatively easy to identify. The f0(980) meson can be replaced by the S-wave π+π- state, or a longitudinally polarized vector meson ρ0. All mixing parameters, including the mass difference and decay width difference, can be extracted by studying the time-dependent decay width of these channels. We show that the method is valid in all regions for mixing parameters and it does not depend on the strong phase difference. (authors)