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Measurement of the $\Omega_c^0$ lifetime at Belle II
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arxiv 2208.08573 v4 pith:SXJPCUZD submitted 2022-08-18 hep-ex
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abstract
We report on a measurement of the $\Omega_c^0$ lifetime using $\Omega_c^0 \to \Omega^-\pi^+$ decays reconstructed in $e^+e^-\to c\bar{c}$ data collected by the Belle II experiment and corresponding to $207~{\rm fb^{-1}}$ of integrated luminosity. The result, $\rm\tau(\Omega_c^0)=243\pm48( stat)\pm11(syst)~fs$, agrees with recent measurements indicating that the $\Omega_c^0$ is not the shortest-lived weakly decaying charmed baryon.
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Charm physics
hep-ph 2025-06 unverdicted novelty 1.0 of 10
A review chapter summarizing the theoretical framework and experimental status of charm hadron lifetimes, D0 mixing, CP violation, and rare decays.
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