Improved measurement of 2β+γ

Nita Sinha, Rahul Sinha, Abner Soffer

Research output: Contribution to journalArticlepeer-review


We propose to measure the Cabibbo-Kobayashi-Maskawa parameter 2β+γ using B0 decays involving several intermediate states, and describe a general formalism that applies to a broad class of decays. The main advantage of this method is that the ratios between the interfering amplitudes can be measured without requiring external input. In addition, discrete ambiguities are resolved.

Original languageEnglish
Article number071302
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number7
StatePublished - 1 Oct 2005
Externally publishedYes


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