Measurement of sin2beta in tree-dominated B0-decays and ambiguity removal

Details Measurement of sin2beta in tree-dominated B0-decays and ambiguity removal Measurement of sin2beta in tree-dominated B0-decays and ambiguity removal

2007-02-23

arxiv.org/abs/hep-ex/0702038v1

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages, 3 postscript figues, contributed to the Proceedings of Beauty2006

Scientific paper

The most recent results from the B-factories on the time-dependent CP asymmetries measured in B0-decays mediated by b --> c c(bar) s quark-transitions are reviewed. The Standard Model interpretation of the results in terms of the parameter sin2beta leads to a four-fold ambiguity on the unitarity triangle beta which can be reduced to a two-fold ambiguity by measuring the sign of the parameter cos2beta. The results on cos2beta obtained so far are reviewed.

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