Theoretical uncertainty in sin 2beta: An update
classification
✦ hep-ph
keywords
uncertaintybetameasurementtheoreticalbrieflychanneldecayestimate
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The source of theoretical uncertainty in the extraction of sin 2beta from the measurement of the golden channel Bd -> J/psi K0 is briefly reviewed. An updated estimate of this uncertainty based on SU(3) flavour symmetry and the measurement of the decay Bd -> J/psi pi0 is also presented.
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