CP asymmetries in B0 decays in the left-right model

Details CP asymmetries in B0 decays in the left-right model CP asymmetries in B0 decays in the left-right model

1997-12-11

arxiv.org/abs/hep-ph/9712349v2

Phys.Rev.Lett. 80 (1998) 4625-4628

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revised version, to appear in PRL

Scientific paper

10.1103/PhysRevLett.80.4625

We study time dependent CP asymmetries in B^0_{d,s} decays in the left-right model with spontaneous breakdown of CP. Due to the new contributions to B^0-\bar B^0 mixing the CP asymmetries can be substantially modified. Moreover, there can be significant new contributions to the $B$-meson decay amplitudes from the magnetic penguins. Most promising for detection of the new physics in the planned $B$ factories is that the CP asymmetries in the decays B--> J/\psi K_S and B--> \phi K_S which are supposed to be equal in the standard model can differ significantly in this class of models independently of the results in the measurements of B--> X_s \gamma.

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