Discrete Ambiguities in the Measurement of the Weak Phase Gamma

Details Discrete Ambiguities in the Measurement of the Weak Phase Gamma Discrete Ambiguities in the Measurement of the Weak Phase Gamma

1999-02-11

arxiv.org/abs/hep-ph/9902313v3

Phys.Rev.D60:054032,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 2 figures, fixed typo

Scientific paper

10.1103/PhysRevD.60.054032

Several time-independent methods have been devised for measuring the phase gamma of the Cabibbo-Kobayashi-Maskawa unitarity triangle. It is shown that such measurements generally suffer from discrete ambiguity which is at least 8-fold, not 4-fold as commonly stated. This has serious experimental implications, which are explored in methods involving B->DK decays. The measurement sensitivity and new physics discovery potential are estimated using a full Monte Carlo detector simulation with realistic background estimates.

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