Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-12-09
Z.Phys.C68:73-80,1995
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, LaTeX, no figures
Scientific paper
10.1007/BF01579806
We discuss the effect of CP-violating $Zb\bar{b}$, $Zb\bar{b}G$ and $Zb\bar{b}\gamma$ couplings on the width $\Gamma(Z\rightarrow b\bar bX)$. The presence of such couplings leads in a natural way to an increase of this width relative to the prediction of the standard model. Various strategies of a direct search for such CP-violating couplings by using CP-odd observables are outlined. The number of $Z$ bosons required to obtain significant information on the couplings in this way is well within the reach of present LEP experiments.
Bernreuther Werner
Botz G. W.
Bruss Dagmar
Haberl Peter
Nachtmann Otto
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