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BEACH / CP violation in two- and quasi-two-body charmless B decays at LHCb

The amplitudes governing the decays of neutral b-hadrons to charmless two-body final states receive relevant contributions from b->d,s penguin topologies. New particles not foreseen in the SM that might appear in the loops as virtual contributions, have the potential to alter may alter not only the CP asymmetries of these decays, and, in case of two vector mesons in the final state, the polarisation fractions and the triple-product asymmetries. The latest measurements of these quantities in charmless two- and quasi-two-bdoy decays, performed by the LHCb experiments, are presented, with particular emphasis on the measurements of time-dependent CP asymmetries.

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