An Elusive Z' Coupled to Beauty

Details An Elusive Z' Coupled to Beauty An Elusive Z' Coupled to Beauty

1996-04-08

arxiv.org/abs/hep-ph/9604260v2

Phys.Rev. D54 (1996) 5820-5823

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, plus 1 Postscript figure, uses revtex, Discussion of FCNC extended

Scientific paper

10.1103/PhysRevD.54.5820

By extending the standard gauge group to SU(3)_c \times SU(2)_L \times U(1)_Y \times U(1)_X with X charges carried only by the third family we accommodate the LEP measurement of R_b and predict a potentially measurable discrepancy in A_{FB}^{b} in e^+e^- scattering and that D^0\bar{D}^0 mixing may be near its experimental limit. The Z', which explicitly violates the GIM mechanism, can nevertheless be naturally consistent with FCNC constraints. Direct detection of the Z' is possible but challenging.

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