2-Body Ds+ Decays To Eta-Pi+, Eta'Pi+, Eta-Rho+, Eta'Rho+, And Phi-Rho+

M. Daoudi,W. Ford, D. Johnson,K. Lingel, M. Lohner,P. Rankin, J. Smith, J. Alexander,C. Bebek,K. Berkelman, D. Besson, T. Browder,D. Cassel, E. Cheu,D. Coffman, P. Drell,R. Ehrlich,R. Galik, M. Garcia-Sciveres,B. Geiser,B. Gittelman, S. Gray,D. Hartill, B. Heltsley,K. Honscheid,J. Kandaswamy,N. Katayama, P. Kim,D. Kreinick,J. Lewis,G. Ludwig,J. Masui,J. Mevissen,N. Mistry,S. Nandi,C. Ng, E. Nordberg,C. O'Grady,J. Patterson, D. Peterson,M. Pisharody, D. Riley,M. Sapper,M. Selen,H. Worden,M. Worris, P. Avery,A. Freyberger,J. Rodriguez, J. Yelton,S. Henderson, K. Kinoshita,F. Pipkin,M. Saulnier,R. Wilson,J. Wolinski,D. Xiao, H. Yamamoto,A. Sadoff,R. Ammar, P. Baringer,D. Coppage,R. Davis,M. Kelly,N. Kwak,H. Lam,S. Ro,Y. Kubota,J. Nelson, D. Perticone,R. Poling,S. Schrenk,M. Alam,I. Kim,B. Nemati,V. Romero,C. Sun, P. Wang,M. Zoeller,G. Crawford,R. Fulton,K. Gan,T. Jensen, H. Kagan, R. Kass,R. Malchow,F. Morrow, J. Whitmore,P. Wilson,F. Butler,X. Fu,G. Kalbfleisch,M. Lambrecht, P. Skubic, J. Snow, P. Wang, D. Bortoletto,D. Brown,J. Dominick,R. McIlwain,D. Miller,M. Modesitt, E. Shibata,S. Schaffner,I. Shipsey,M. Battle, J. Ernst, H. Kroha,S. Roberts,K. Sparks,E. Thorndike, C. Wang,M. Artuso,M. Goldberg,T. Haupt,N. Horwitz, R. Kennett,M. Mestayer, G. Moneti, Y. Rozen,P. Rubin, T. Skwarnicki,S. Stone,M. Thusalidas,W. Yao, G. Zhu,A. Barnes, J. Bartelt, S. Csorna,V. Jain,T. Letson,D. Akerib,B. Barish,D. Cowen,G. Eigen, R. Stroynowski,J. Urheim,A. Weinstein,R. Morrison,H. Tajima,D. Schmidt,M. Procario

PHYSICAL REVIEW D(1992)

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摘要
We have made measurements of several D(s) branching ratios, relative to the phi-pi+ mode. We have observed two previously unseen two-body hadronic decays of the D(s)+, namely eta-rho+ and eta'rho+, and measure relative branching ratios of 2.86+/-0.38(-0.38)+0.36 and 3.44+/-0.62(-0.46)+0.44, respectively. We have determined the relative branching ratio for the decay into phi-rho+ to be 1.86+/-0.26(-0.40)+0.29. In addition, we have measured relative branching ratios for the eta-pi+ and eta'pi+ states, for which there had previously been conflicting measurements; our results are 0.54+/-0.09+/-0.06 and 1.20+/-0.15+/-0.11, respectively. Combining these new measurements with previous results and using (3.7+/-1.2)% for the value of B(D(s)-->phi-pi+), we can account for almost-equal-to (79+/-26)% of all D(s)+ decays. In addition we have also measured relative branching ratios or set upper limits on D+ decays to all of the above-mentioned final states.
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