We point out that the decays of B mesons into a vector meson and an axial-vector meson can distinguish between left and right-handed polarized mesons, in contrast to decays into two vector mesons. Measurements in B0-->D(*-)a(+)(1) are proposed for testing factorization and the V-A structure of the b-->c current, and for resolving a discrete ambiguity in 2beta+gamma.
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B0-->D(*-)a(+)(1): chirality tests and resolving an ambiguity in the CP violation parameter 2beta+gamma.
Phys Rev Lett
February 2003
Institut für Theoretische Physik, Universität Zürich, Switzerland.
We point out that the decays of B mesons into a vector meson and an axial-vector meson can distinguish between left and right-handed polarized mesons, in contrast to decays into two vector mesons. Measurements in B0-->D(*-)a(+)(1) are proposed for testing factorization and the V-A structure of the b-->c current, and for resolving a discrete ambiguity in 2beta+gamma.
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