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Measurement of the $$Omega_c^0$$ lifetime at Belle II

Abudin$'e$n, F.*; 谷田 聖   ; Belle II Collaboration*; 他354名*

Abudin$'e$n, F.*; Tanida, Kiyoshi; Belle II Collaboration*; 354 of others*

We report on a measurement of the $$Omega_c^0$$ lifetime using $$Omega_c^0 to Omega^-pi^+$$ decays reconstructed in $$e^+e^-to cbar{c}$$ data collected by the Belle II experiment and corresponding to $$207~{rm fb^{-1}}$$ of integrated luminosity. The result, $$rmtau(Omega_c^0)=243pm48(stat)pm11(syst)~fs$$, agrees with recent measurements indicating that the $$Omega_c^0$$ is not the shortest-lived weakly decaying charmed baryon.

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パーセンタイル:52.01

分野:Astronomy & Astrophysics

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