Search for the X (5568 ) State Decaying into Bs0π± in Proton-Proton Collisions at √{s }=8 TeV
A search for resonancelike structures in the Bs0π± invariant mass spectrum is performed using proton-proton collision data collected by the CMS experiment at the LHC at √{s }=8 TeV , corresponding to an integrated luminosity of 19.7 fb-1 . The Bs0 mesons are reconstructed in the decay chain Bs0→J /ψ ϕ , with J /ψ →μ+μ- and ϕ →K+K-. The Bs0π±
Sirunyan, A. M. et al.
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2018