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FPCP / Branching Fraction measurement of B0 -> D0D0barKpi

The branching fraction analysis of B0 -> D0D0barKpi using LHCb data collected during Run I and part of Run 2 is presented. This is the first-ever observation of this decay, and the branching fraction is measured relative to that of B0 -> D*-D0K+ transitions. Further studies of the decay amplitudes of B0 -> D0D0barKpi decays will provide important input to the determination of the charm loop contribution in b→sll transitions in addition to allowing for exotic state searches above the open charm threshold.

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