Importance of Dipole Penguin Operator in $B$ Decays

Details Importance of Dipole Penguin Operator in $B$ Decays Importance of Dipole Penguin Operator in $B$ Decays

1995-09-20

arxiv.org/abs/hep-ph/9509346v1

Phys.Lett. B377 (1996) 161-167

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 2 figs, RevTeX

Scientific paper

10.1016/0370-2693(96)00308-5

The importance of dipole penguin operator, $O_{11} = (g_s/8\pi^2)m_b \bar s \sigma_{\mu\nu}RT^a b G^{\mu\nu}_a$, on B decays is demonstrated. It is shown that branching ratios for the inclusive decay $b\to s s\bar s$, the semi-inclusive decay $b\to s\phi$, and the exclusive decay $B\to \pi K$ are enhanced by 20% to 30%. A useful consequence of this calculation is the inclusive $b\to ss\bar s$ spectrum which will be essential in isolating pure penguin process.

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