Signals of New Physics using angular analysis in B -> V1 V2 decays
David London, Nita Sinha, Rahul Sinha
Abstract
We show that an angular analysis of B -> V1 V2 decays yields numerous tests for new physics in the decay amplitudes. Many of these new-physics observables are nonzero even if the strong phase differences vanish. For certain observables, neither time-dependent measurements nor tagging is necessary. Should a signal for new physics be found, one can place a lower limit on the size of the new-physics parameters, as well as bound its effect on the measurement of the B0--Bbar0 mixing phase.
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