Abstract
The production of DS + mesons in B meson decays, and in q {Mathematical expression} continuum events, has been studied with the ARGUS detector at the e+e- storage ring DORIS II. In addition to the measurement of inclusive DS + production in γ(4 S)→B {Mathematical expression} decays, all eight two-body decay modes B→DS (*)D(*) have been measured with branching ratios between 1% and 3%. By comparing our inclusive and exclusive results to predictions of heavy quark effective theory, a value of (267±28) MeV × [2.7%/BR(Ds +→φπ+)]1/2 is obtained for the weak decay constant f DS (*), averaged over DS + and DS *+ mesons.
| Original language | English |
|---|---|
| Pages (from-to) | 1-11 |
| Number of pages | 11 |
| Journal | Zeitschrift fur Physik C-Particles and Fields |
| Volume | 54 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Jan 1992 |
| Externally published | Yes |
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