Constraints on Gauged B-3L_tau and Related Theories

Details Constraints on Gauged B-3L_tau and Related Theories Constraints on Gauged B-3L_tau and Related Theories

2000-10-11

arxiv.org/abs/hep-ph/0010118v2

Phys.Rev. D63 (2001) 074013

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages REVTEX, 4 postscript figures, uses axodraw.sty

Scientific paper

10.1103/PhysRevD.63.074013

We consider extensions of the Standard Model with an extra U(1) gauge boson which couples to B-(alpha L_e + beta L_mu + gamma L_tau) with alpha + beta + gamma = 3. We show that the extra gauge boson necessarily mixes with the Z leading to potentially significant corrections to the Z-f-fbar vertex. The constraints on the size of this correction imposed by the Z-pole data from LEP and SLD are derived.

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