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Measurements of charm lifetimes at Belle II

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arxiv 2302.14254 v1 pith:VV62WR3P submitted 2023-02-28 hep-ex

classification hep-ex
keywords measurementsbellecharmedlifetimesabsolutebaryoncharmcollected
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abstract

We report on absolute lifetime measurements of charmed hadrons using the data collected by the Belle II experiment between 2019 and 2021. The measured lifetimes of $D^0$, $D^+$, and $\Lambda_c^+$ are the most precise to date and consistent with previous measurements. Our result indicates that $\Omega_c^0$ is not the shortest-living singly charmed baryon.

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