A search for the exotic meson $X(5568)$ with the Collider Detector at Fermilab

Abstract

A search for the exotic meson $X(5568)$ decaying into the $B_s^0{\pi }^{\pm }$ final state is performed using data corresponding to $9.6{\text{fb}}^{-1}$ from $p\bar{p}$ collisions at $\sqrt{s}=1960$ GeV recorded by the Collider Detector at Fermilab. No evidence for this state is found and an upper limit of 6.7\% at the 95\% confidence level is set on the fraction of $B_s^0$ produced through the $X(5568)\to B_s^0{\pi }^{\pm }$ process.

arXiv comment13 pages, 3 figures

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• Search for structure in the $B_s^0{\pi }^{\pm }$ invariant mass spectrum
• Search for the X(5568) state decaying into ${\mathrm{B}}_{\mathrm{s}}^0{\pi }^{\pm }$ in proton-proton collisions at $\sqrt{s}=$ 8 TeV
• Search for a Structure in the $B_s^0{\pi }^{\pm }$ Invariant Mass Spectrum with the ATLAS Experiment
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