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Branching fractions

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Full-Text Articles in Physics

Search For Rare Decays B+→D (*)+SΗ, D (*)+ SK̅, D+ Η, And D+ K0, M. Kumar, V. Bhardwaj, K. Lalwani, I. Adachi Feb 2023

Search For Rare Decays B+→D (*)+SΗ, D (*)+ SK̅, D+ Η, And D+ K0, M. Kumar, V. Bhardwaj, K. Lalwani, I. Adachi

Faculty Publications

We present a study of rare decay modes B+→D+Sh0, B+→D*+S h0, and B+→D+h0, where h0 denotes the neutral meson η or K0, using a data sample of (772±10)×106   BB̅ events produced at the Υ(4S) resonance. The data were collected by the Belle detector operating at the asymmetric-energy KEKB collider. We find no evidence for these decays, so we set upper limits at the 90% confidence level on the branching fractions of B+→D+ S h0, D*+ S h0, …


Search For The Lepton-Flavour Violating Decays B0→K∗0Μ ± E , S. Sandilya, K. Trabelsi, A.J. Schwartz, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, V. Aulchenko, T. Aushev, R. Ayad, V. Babu, I. Badhrees, S. Bahinipati, A. M. Bakich, V. Bansal, P. Behera, C. Beleño, V. Bhardwaj, B. Bhuyan, Milind Purohit, Et. Al. Oct 2018

Search For The Lepton-Flavour Violating Decays B0→K∗0Μ ± E ∓, S. Sandilya, K. Trabelsi, A.J. Schwartz, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, V. Aulchenko, T. Aushev, R. Ayad, V. Babu, I. Badhrees, S. Bahinipati, A. M. Bakich, V. Bansal, P. Behera, C. Beleño, V. Bhardwaj, B. Bhuyan, Milind Purohit, Et. Al.

Faculty Publications

We have searched for the lepton-flavor-violating decay B0 → K*0μ ±e∓ using a data sample of 711 fb−1 that contains 772 × 106 B B̅ pairs. The data were collected near the ϒð4SÞresonance with the Belle detector at the KEKB asymmetric-energy eþe− collider. No signals were observed, and we set 90% confidence level upper limits on the branching fractions of B(B0 →K*0μ+e)<1.2×10−7, B(B0 → K*0μe+) < 1.6 × 10−7, and, for both decays combined, B(B0 → K …