Limits on D0-D̄0 Mixing and CP Violation from the Ratio of Lifetimes for Decay to K-π+, K -K+, and π-π+

2003 
Author(s): Aubert, B; Barate, R; Boutigny, D; Gaillard, JM; Hicheur, A; Karyotakis, Y; Lees, JP; Robbe, P; Tisserand, V; Zghiche, A; Palano, A; Pompili, A; Chen, JC; Qi, ND; Rong, G; Wang, P; Zhu, YS; Eigen, G; Ofte, I; Stugu, B; Abrams, GS; Borgland, A; Breon, AB; Brown, DN; Button-Shafer, J; Cahn, RN; Charles, E; Day, CT; Gill, MS; Gritsan, AV; Groysman, Y; Jacobsen, RG; Kadel, RW; Kadyk, J; Kerth, LT; Kolomensky, YG; Kral, JF; Kukartsev, G; LeClerc, C; Levi, ME; Lynch, G; Mir, LM; Oddone, PJ; Orimoto, TJ; Pripstein, M; Roe, NA; Romosan, A; Ronan, MT; Shelkov, VG; Telnov, AV; Wenzel, WA; Ford, K; Harrison, TJ; Hawkes, CM; Knowles, DJ; Morgan, SE; Penny, RC; Watson, AT; Watson, NK; Deppermann, T; Goetzen, K; Koch, H; Lewandowski, B; Pelizaeus, M; Peters, K; Schmuecker, H; Steinke, M; Barlow, NR; Boyd, JT; Chevalier, N; Cottingham, WN; Kelly, MP; Latham, TE; Mackay, C; Wilson, FF; Abe, K; Cuhadar-Donszelmann, T; Hearty, C; Mattison, TS; McKenna, JA; Thiessen, D; Kyberd, P; McKemey, AK; Blinov, VE; Bukin, AD | Abstract: We present a measurement of [Formula presented] mixing parameters using the ratios of lifetimes extracted from samples of [Formula presented] mesons decaying to [Formula presented], [Formula presented] , and [Formula presented]. Using [Formula presented] of data collected by the BABAR detector at the PEP-II asymmetric-energy [Formula presented] Factory, we obtain a value [Formula presented] , which, in the limit of [Formula presented] conservation, corresponds to the mixing parameter [Formula presented] . Using the difference in lifetimes of [Formula presented] and [Formula presented] mesons, we obtain the [Formula presented]-violation parameter [Formula presented] . © 2003 The American Physical Society.
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