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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/221428
First observation and branching fraction measurement of the Λb0→Ds−p decay
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The first observation of the Λ 0 b → D− s p decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of √ s = 13 TeV, corresponding to a total integrated luminosity of 6 fb−1 . Using the Λ 0 b → Λ + c π − decay as the normalisation mode, the branching fraction of the Λ 0 b → D− s p decay is measured to be B(Λ 0 b → D− s p) = (12.6 ± 0.5 ± 0.3 ± 1.2) × 10−6 , where the first uncertainty is statistical, the second systematic and the third due to uncertainties in the branching fractions of the Λ 0 b → Λ + c π −, D− s → K−K+π − and Λ + c → pK−π + decays.
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ALFONSO ALBERO, Alejandro, et al. First observation and branching fraction measurement of the Λb0→Ds−p decay. Journal of High Energy Physics. 2023. Vol. 2023, num. 75. ISSN 1126-6708. [consulted: 11 of June of 2026]. Available at: https://hdl.handle.net/2445/221428