PoS - Proceedings of Science
Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Strong Interactions and Hadron Physics
The exotic state X ( 5568 )
D. Zieminska* On behalf of the D0 Collaboration
*corresponding author
Full text: pdf
Pre-published on: February 08, 2017
Published on: April 19, 2017
The D0 collaboration has reported evidence for a possible four-quark state named $X(5568)$
in the decay sequence $X(5568) \rightarrow B_s^0 \pi^{\pm}$, $B_s^0 \rightarrow J/\psi \phi$.
Here we present a progress report on our search for the $X(5568)$ with semileptonic decays of
the $B_s^0$ meson. A comparison of the data with MC simulations of the background
shows an excess of events in the data at the mass and yield as expected from events
produced by the decay $X(5568)$.}
DOI: https://doi.org/10.22323/1.282.0589
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