PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Quark and Lepton Flavor Physics
Searching for flavor changing neutral currents at BESIII
D. Wang* On behalf of the BESIII collaboration
*corresponding author
Full text: pdf
Published on: August 02, 2019
Abstract
The Flavor Changing Neutral Current decays(FCNC) is forbidden at tree level in the Standard Model (SM) and could only contribute through loops. Any direct observation beyond SM expectations could be a good probe of physics beyond SM. BESIII is a currently running tau-charm factory with the largest samples of on threshold charm meson pairs, directly produced charmonia and some other unique datasets at BEPCII collider. It has great potential to probe these FCNC decays from multiple channels. Here we review some of latest search results of FCNC decays from BESIII. We present the latest results of searches for the decay of $J/\psi \to D^{0} e^+ e^-$, $\psi(3686) \to D^{0} e^+ e^-$, $\psi(3686) \to \Lambda_c^+ \overline{p} e^+ e^-$, $D \to h (h') e^+ e^-$, $D^{+} \to h^{+} e^+ e^-$, etc. Other related searches, together with the prospects and challenges with other channels and the future data are also discussed.
DOI: https://doi.org/10.22323/1.340.0479
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