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Measurements of Absolute Branching Fractions for $\Lambda^+_c\to\Xi^0K^+$ and $\Xi(1530)^0K^+$
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arxiv 1803.04299 v3 pith:6SDXT6HX submitted 2018-03-12 hep-ex
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abstract
We report the first measurements of absolute branching fractions for the $W$-exchange-only processes $\Lambda^+_c\to\Xi^0K^+$ and $\Lambda^+_c\to\Xi(1530)^0K^+$ with the double-tag technique, by analyzing an $e^{+}e^{-}$ collision data sample, that corresponds to an integrated luminosity of 567 pb$^{-1}$ collected at a center-of-mass energy of 4.6 GeV by the BESIII detector. The branching fractions are measured to be $\mathcal{B}(\Lambda^+_c\to\Xi^0K^+)=(5.90\pm0.86\pm0.39)\times10^{-3}$ and $\mathcal{B}(\Lambda^+_c\to\Xi(1530)^0K^+)=(5.02\pm0.99\pm0.31)\times10^{-3}$, where the first uncertainties are statistical and the second systematic. Our results are more precise than the previous relative measurements.
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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record
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From topological amplitudes to rescattering dynamics in charmed baryon decays
hep-ph 2025-07 conditional novelty 6.0 of 10
The authors build a bridge between topological and rescattering amplitudes for charmed baryon decays and claim the Koerner-Pati-Woo theorem fails, suggesting a measurement of Lambda_c^+ -> Sigma^+ K_S^0.
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