PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Quark and Lepton Flavor Physics
Search for the rare decay $B^- \to \Lambda \bar{p} \nu \bar{\nu}$
R.M. Seddon*  on behalf of the BABAR collaboration
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Published on: August 02, 2019
We present a search for the rare, flavour-changing-neutral-current decay $B^- \to \Lambda {\overline p} \nu{\overline{\nu}}$ at the BaBar experiment. We see no evidence for signal decays and set an upper limit of ${\cal B}(B^- \to \Lambda {\overline p} \nu{\overline{\nu}})<3.0\times10^{-5}$ at the 90% confidence level. This result is the first experimental limit on this decay mode.
DOI: https://doi.org/10.22323/1.340.0123
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