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Measurement of the ratio B(Bs0→J/ψf0(980))/B(Bs0→J/ψϕ(1020)) in pp collisions at √s=7 TeV
A measurement of the ratio of the branching fractions of the B0 s meson to J/ψf0(980) and to J/ψφ(1020) is presented. The J/ψ, f0(980), and φ(1020) are observed through their decays to μ+μ−, π+π−, and K+K−, respectively. ...