Enhanced $b\to sg$ Decay, Inclusive $η^\prime$ Production, and the Gluon Anomaly

Details Enhanced $b\to sg$ Decay, Inclusive $η^\prime$ Production, and the Gluon Anomaly Enhanced $b\to sg$ Decay, Inclusive $η^\prime$ Production, and the Gluon Anomaly

1997-05-14

arxiv.org/abs/hep-ph/9705304v2

Phys.Rev.Lett. 80 (1998) 434-437

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, revtex, 3 figs. (version to appear in Phys. Rev. Lett.)

Scientific paper

10.1103/PhysRevLett.80.434

The experimental hint of large $B\to \eta^\prime + X_s$ is linked to the $b\to s$ penguins via the gluon anomaly. Using running $\alpha_s$ in the $\eta^\prime$-$g$-$g$ coupling, the standard $b\to sg^*$ penguin alone seems insufficient, calling for the need of dipole $b\to sg$ at 10% level from new physics, which could also resolve the ${\cal B}_{s.l.}$ and charm counting problems. The intereference of standard and new physics contributions may result in direct CP asymmetries at 10% level, which could be observed soon at B Factories.

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