We show that the reported anomalies in Rb and Rc can be interpreted as the effect of a heavy vector boson V universally coupled to u- and d-type quarks separately and nearly decoupled from leptons. This extra vector boson could then also naturally explain the apparent excess of the jet rate at large transverse momentum observed at CDF.
Physics Letters B
- Pub Date:
- February 1996
- High Energy Physics - Phenomenology
- 10 pages, latex, 4 eps figures. Revised version, including corrected typos in figures and formulas, and addendum on low energy neutral current data. To appear on Phys Lett B