$D_s$ Inclusive Decays

Details $D_s$ Inclusive Decays $D_s$ Inclusive Decays

2009-03-12

arxiv.org/abs/0903.2287v5

Phys.Rev.D79:074022,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version to be published in Phys. Rev. D

Scientific paper

The availability of branching fractions for a large majority of $D_s$ decays permits the prediction of inclusive branching fractions. This is achieved with the help of a modest amount of input from an isospin statistical model applied to non-resonant multibody $D_s$ decays. A systematic uncertainty in these mostly small branching ratios is estimated by comparing predictions of this model with those of a model involving quark-antiquark pair production. The calculated inclusive branching fractions can be compared with data (for example, from a large sample of $D_s^+ D_s^{*-} + D_s^{*+} D_s^-$ obtained by the CLEO Collaboration) and examined for specific final states which can shed light on strong and weak decay mechanisms.

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