Determining γ using B→D^{**}K

8 November 2004

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 70 (9) , 097501
https://doi.org/10.1103/physrevd.70.097501

Abstract

We propose the use of B±→D**0(−)K± decay modes for a theoretically clean determination of the weak phase γ. The self-tagging decays of the neutral D** mesons make a measurement of the b→uc¯s amplitude feasible. This overcomes the problem with the Gronau-London-Wyler proposal. Even an upper limit on the B(B−→D¯**0K−) will place an assumption free, lower bound on γ.

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