Abstract: A search for the exotic meson X(5568) decaying into the B0s?± final state is performed using data corresponding to 9.6??fb?1 from p¯p collisions at ?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 B0s produced through the X(5568)?B0s?± process.

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