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arXiv [PUBDB-2025-04544] Journal Article
; ; ; et al
Observation of the decays B+→Σc(2455)++Ξ¯c- and B0→Σc(2455)0Ξ¯c0
[Belle II Preprint 2025-019; KEK Preprint 2025-18; arXiv:2507.05094]
Physical review / D 112(5), L051101 () [10.1103/2fhj-8vyx]  GO
We report the first observation of the two-body baryonic decays B+→Σc(2455)++Ξ¯c- and B0→Σc(2455)0Ξ¯c0 with significances of 7.3σ and 6.2σ, respectively, including statistical and systematic uncertainties. The branching fractions are measured to be B(B+→Σc(2455)++Ξ¯c-)=(5.74±1.11±0.42-1.53+2.47)×10-4 and B(B0→Σc(2455)0Ξ¯c0)=(4.83±1.12±0.37-0.60+0.72)×10-4. [...]
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