$B \to η' X_s$ in the Standard Model

Details $B \to η' X_s$ in the Standard Model $B \to η' X_s$ in the Standard Model

1998-12-04

arxiv.org/abs/hep-ph/9812248v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Corrected a few minor typos. 6 page with 1 figure. Sprocl.Sty. Talk presented at the Workshop on CP Violation, Adelaide, Austr

Scientific paper

We study $B \to \eta' X_s$ within the framework of the Standard Model. Several mechanisms such as $b \to \eta' s g$ from the QCD anomaly, and $b \to \eta's $ and $B\to \eta' s \bar q$ from four-quark operators are treated simultaneously. We find that the first mechanism give a significant contribution to the branching ratio for $B\to \eta' X_s$, while the other two mechanisms account for about 15% of the experimental value. The Standard Model prediction for $B\to \eta' X_s$ is consistent with the CLEO data.

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