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- W4386976978 abstract "We search for the B0→pΣ¯0π− decay with Σ¯0→Λ¯γ, where the γ is not measured, using a data sample corresponding to an integrated luminosity of 711 fb−1 which contains 772×106 BB¯ pairs, collected around the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. We measure for the first time the B0→pΣ¯0π− branching fraction to be B(B0→pΣ¯0π−)=(1.17−0.40+0.43(stat)±0.07(syst))×10−6 with a significance of 3.0σ. We simultaneously measure the branching fraction for the related channel B0→pΛ¯π− with much improved precision.Received 31 May 2023Accepted 25 August 2023DOI:https://doi.org/10.1103/PhysRevD.108.052011Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.Published by the American Physical SocietyPhysics Subject Headings (PhySH)Research AreasCabibbo–Kobayashi–Maskawa matrixParticles & Fields" @default.
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