Analysis of D_s-> phi pi beyond naive factorization

Details Analysis of D_s-> phi pi beyond naive factorization Analysis of D_s-> phi pi beyond naive factorization

2001-09-12

arxiv.org/abs/hep-ph/0109098v1

High Energy Phys.Nucl.Phys.26:665-671,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 5 figures, LaTex

Scientific paper

We analyze the decay $D_s\to \phi \pi$ with QCD factorization in the heavy quark limit. The nonfactorizable contributions, including hard spectator contribution are discussed and numerical results are presented. Our predictions on the branching ratio of the decay are in agreement with the experiment. We also use a pure phenomenological method to estimate the branching ratio for $D_s\to \phi\pi$ with the existed $D^0\to K^{*}\pi$ data.

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