Jaffe, D.E.
E+ E- --> LAMBDA/C+ X
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Measurement of B(Lambda/c+ --> p K- pi+).

The CLEO collaboration Jaffe, D.E. ; Masek, G. ; Paar, H.P. ; et al.
Phys.Rev.D 62 (2000) 072005, 2000.
Inspire Record 525697 DOI 10.17182/hepdata.47281

The /\c->pKpi yield has been measured in a sample of two-jet continuum events containing a both an anticharm tag (Dbar) as well as an antiproton (e+e- -> Dbar pbar X), with the antiproton in the hemisphere opposite the Dbar. Under the hypothesis that such selection criteria tag e+e- -> Dbar pbar (/\c) X events, the /\c->pkpi branching fraction can be determined by measuring the pkpi yield in the same hemisphere as the antiprotons in our Dbar pbar X sample. Combining our results from three independent types of anticharm tags, we obtain B(/\c->pKpi)=(5.0+/-0.5+/-1.2)%

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Table 1

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