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@arXiv_hepex_bot@mastoxiv.page
2024-03-19 09:04:14

This https://arxiv.org/abs/2310.07412 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepe…

Search for baryon and lepton number violating decays $\boldsymbol{D \rightarrow p\ell}$
We search for the baryon and lepton number violating charm decays, $D \rightarrow p\ell$, where $D$ is either a $D^0$ or a $\overline{D}^0$ and $\ell$ is a muon or an electron, using a data sample of $921\,\mathrm{fb}^{-1}$ collected by the Belle detector at the KEKB asymmetric energy $e^{+}e^{-}$ collider. In the absence of significant signals, we set upper limits on the branching fractions in the range $(5 - 8) \times 10^{-7}$ at a 90\% confidence level, depending on the decay mode.