Determining the Phases alpha and gamma from Direct CP Violation in Bu, Bd and Bs Decays to Two Vectors
David Atwood, Amarjit Soni
Abstract
A method for clean determination of the unitarity angles alpha and gamma is proposed that uses only direct CP violation and does not require any time dependent measurements. The method takes advantage of helicity amplitudes for Bu, Bd and Bs decay to two vector mesons and can be used, at any B-facility, in conjunction with a large number of modes. It also allows for experimental tests of theoretical approximations involved.
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