Why is the B -> eta' X decay width so large ?

Details Why is the B -> eta' X decay width so large ? Why is the B -> eta' X decay width so large ?

1997-05-07

arxiv.org/abs/hep-ph/9705251v2

Phys.Rev.Lett. 80 (1998) 438-441

Physics

High Energy Physics

High Energy Physics - Phenomenology

Comments on a mixing model for intrinsic charm and pre-asymptotic effects and some references are added. Latex, 9 pages

Scientific paper

10.1103/PhysRevLett.80.438

New mechanism for the observed inclusive B -> \eta'X decay is suggested. We argue that the dominant contribution to this amplitude is due to the Cabbibo favored b -> \bar{c}cs process followed by the transition \bar{c}c -> \eta'. A large magnitude of the "intrinsic charm" component of \eta' is of critical importance in our approach. Our results are consistent with an unexpectedly large Br(B -> \eta'+X) \sim 10^{-3} recently announced by CLEO. We stress the uniqueness of this channel for 0^{-+} gluonia search.

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