B_s-anti-B_s Mixing in Z' Models with Flavor-Changing Neutral Currents

Details B_s-anti-B_s Mixing in Z' Models with Flavor-Changing Neutral Currents B_s-anti-B_s Mixing in Z' Models with Flavor-Changing Neutral Currents

2004-05-12

arxiv.org/abs/hep-ph/0405108v2

Phys.Lett.B596:229-239,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 3 figures; references added, submitted to Phys. Lett. B

Scientific paper

10.1016/j.physletb.2004.06.105

In models with an extra U(1)' gauge boson family non-universal couplings to the weak eigenstates of the standard model fermions generally induce flavor-changing neutral currents. This phenomenon leads to interesting results in various B meson decays, for which recent data indicate hints of new physics involving significant contributions from b -> s transitions. We analyze the B_s system, emphasizing the effects of a Z' on the mass difference and CP asymmetries.

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