Braunschweig, W.
E+ E- --> D/S+ X
Electron production
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Observation of the Decay $D(s$)+ $\to \eta^\prime \pi^+$

The ARGUS collaboration Albrecht, H. ; Ehrlichmann, H. ; Glaser, R. ; et al.
Phys.Lett.B 245 (1990) 315-320, 1990.
Inspire Record 295620 DOI 10.17182/hepdata.45150

Using the ARGUS detector at the e + e - storage ring DORIS II at DESY, we have observed the decay D s + → η'π + in two decay modes of the η'. We measure the ratio of branching ratios BR(D s + → η'π + )/BR(D s + → Øπ + ) to be 2.5±0.5±0.3.

1 data table
Table 1

The cross section times Br(D/S+ --> ETAPRIME PI+), but is not included the ETAPRIME branching ratio.