Constraints on economical 331 models from mixing of $K$, Bd and $B_s$ neutral mesons - INSPIRE

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

Nov, 2007

11 pages

Published in:

Phys.Rev.D 77 (2008) 036002

e-Print:

0711.2467 [hep-ph]

DOI:

10.1103/PhysRevD.77.036002

View in:

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Abstract: (arXiv)

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.

11.30.Hv
12.60.Cn
12.15.Ff
gauge field theory: SU(3) x SU(3) x U(1)
K0 anti-K0: mixing
B0 anti-B0: mixing
B/s0 anti-B/s0: interference
neutral current: flavor changing
Z'
CKM matrix matrix

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