The Color-Octet intrinsic charm in $η^\prime$ and $B\to η^\prime X$ decays

Details The Color-Octet intrinsic charm in $η^\prime$ and $B\to η^\prime X$ decays The Color-Octet intrinsic charm in $η^\prime$ and $B\to η^\prime X$ decays

1997-06-09

arxiv.org/abs/hep-ph/9706294v1

Phys.Rev.D56:2495-2498,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, RevTex, 1 PS figure

Scientific paper

10.1103/PhysRevD.56.R2495

Color-octet mechanism for the decay B\to \eta^\prime X is proposed to explain the large branching ratio of Br(B\to \eta^\prime X)\sim 1\times 10^{-3} recently announced by CLEO. We argue that the inclusive \eta^\prime production in B decays may dominantly come from the Cabbibo favored b\to (\bar c c)_8s process where \bar c c pair is in a color-octet configuration, and followed by the nonperturbative transition (\bar c c)_8\to \eta^\prime X. The color-octet intrinsic charm component in the higher Fock states of \eta^\prime is crucial and is induced by the strong coupling of \eta^\prime to gluons via QCD axial anomaly.

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