On the Role of Charm in Decay of B-mesons to η' K

Details On the Role of Charm in Decay of B-mesons to η' K On the Role of Charm in Decay of B-mesons to η' K

1998-03-16

arxiv.org/abs/hep-ph/9803356v3

Phys.Rev. D59 (1999) 037501

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, RevTex, new references and PACS Codes added, minor corrections are made

Scientific paper

10.1103/PhysRevD.59.037501

In this letter we focus on the calculation of $f_{\eta'}^{(c)},$ the amplitude of the $ (c\bar{c}) \to (gluons) \to \eta^{'}$ transition, which provides the magnitude of the contribution of the Cabbibo favored $b \to \bar c c s$ elementary process to $B \to \eta ' K$ decay. It is found that $f_{\eta '}^{(c)} = - 12.3\sim -18.4 MeV$ on the scale of $m_{c}.$ This number is in strong contradiction with the estimations of Halperin, Zhitnitsky and Shuryak, Zhitnitsky but almost in agreement with phenomenological analysis of Feldman et al., Petrov and the estimations of Ali et al.

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