Constraints on economical 331 models from mixing of K, Bd and Bs neutral mesons

Details Constraints on economical 331 models from mixing of K, Bd and Bs neutral mesons Constraints on economical 331 models from mixing of K, Bd and Bs neutral mesons

2007-11-15

arxiv.org/abs/0711.2467v2

Phys.Rev.D77:036002,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures. Eqs. (8) and (9) corrected, to be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.77.036002

We analyze the effect of flavor changing neutral currents within 331 models. In particular, we concentrate in the so-called "economical" models, which have a minimal scalar sector. Taking into account the experimental measurements of observables related to neutral K and B meson mixing, we study the resulting bounds for angles and phases in the mixing matrix for the down quark sector, and the mass and mixing parameters related to the new Z' gauge boson.

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