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Angular analysis of the decay B^+ to K^*(892)^+μ^+μ^- in proton-proton collisions at sqrt{s} = 8 TeV
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Angular analysis of the decay B^+ to K^*(892)^+μ^+μ^- in proton-proton collisions at sqrt{s} = 8 TeV
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Angular distributions of the decay B$^+$ $\to$ K$^*$(892)$^+\mu^+\mu^-$ are studied using events collected with the CMS detector in $\sqrt{s} =$ 8 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb$^{-1}$. The forward-backward asymmetry of the muons and the longitudinal polarization of the K$^*$(892)$^+$ meson are determined as a function of the square of the dimuon invariant mass. These are the first results from this exclusive decay mode and are in agreement with a standard model prediction.
Forward citations
Cited by 2 Pith papers
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A Dispersive Look at Rare $B$-meson Semileptonic Decays
Lattice-only Dispersive Matrix form factors enlarge large-recoil uncertainties and, with new angular data, favour long-distance hadronic effects over a short-distance C9 New Physics shift.
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