Quasi-Inclusive and Exclusive decays of $B $ to $η'$

Details Quasi-Inclusive and Exclusive decays of $B $ to $η'$ Quasi-Inclusive and Exclusive decays of $B $ to $η'$

1997-07-07

arxiv.org/abs/hep-ph/9707259v2

Phys.Lett.B419:369-376,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

Calculation of $B \to K \pi$ added and the correct BSW form factors have been used. Latex 13 papges, 1 figure

Scientific paper

10.1016/S0370-2693(97)01449-4

We consider the effective Hamiltonian of four quark operators in the Standard Model in the exclusive and quasi-inclusive decays of the type $B\to K^{(*)} \eta^{\prime}$, $B\to \eta' X_s$, where $X_s$ contains a single Kaon. Working in the factorization assumption we find that the four quark operators can account for the recently measured exclusive decays $B\to \eta^{\prime}(\eta) K$ and $B\to K \pi$ for appropriate choice of form factors but cannot explain the large quasi-inclusive rate.

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