Measurement of the $Ω_c^0$ Lifetime
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The FOCUS experiment(FNAL-E831) has used two channels, $Ω^- π^+$ and $Ξ^-K^- π^+ π^+$,to measure the lifetime of the $Ω_c^0$ charmed baryon. From a sample of $64 \pm 14$ signal events at a mass of 2.698 GeV/$c^2$, we measure an $Ω_c^0$ lifetime of $72 \pm 11$ (stat.) $\pm 11$ (sys.) fs, substantially improving upon the current world average.
12 pages and 5 figures
12 pages and 5 figures