Results concerning the decay D<inf>s</inf><sup>±</sup>→η′π<sup>± </sup>

M. P. Alvarez, R. Barate, D. Bloch, P. Bonamy, P. Borgeaud, M. Burchell, H. Burmeister, J. M. Brunet, F. Calvino, M. Cattaneo, J. M. Crespo, B. d'Almagne, M. David, L. DiCiaccio, J. Dixon, P. Druet, A. Duane, J. P. Engel, A. Ferrer, T. A. FilippasE. Fokitis, R. W. Forty, P. Foucault, E. N. Gazis, J. P. Gerber, Y. Giomataris, T. Hofmokl, E. C. Katsoufis, M. Koratzinos, C. Krafft, B. Lefievre, Y. Lemoigne, A. Lopez, W. K. Lui, C. Magneville, A. Maltezos, J. G. McEwen, B. Pattison, D. Poutot, M. Primout, H. Rahmani, C. Seez, J. Six, R. Strub, D. Treille, P. Triscos, G. Tristram, G. Villet, A. Volte, M. Wayne, D. M. Websdale, G. Wormser, Y. Zolnierowski

Research output: Contribution to journalArticleResearchpeer-review

6 Citations (Scopus)

Abstract

A search for the decay Ds+→η′π+;η′ →ρ{variant}γ has been performed by the NA14/2 photoproduction experiment at CERN. A signal compatible with the Ds+ has been observed, leading to a ratio of branching fractions of Br(Ds+→η′π+) Br(Ds+→φπ+)=2.5±1.0-0 .4+1.5. A value of Br(D+→η′π+) Br(D+→K-π+π+)< 0.1 is set at 90% CL. © 1991.
Original languageEnglish
Pages (from-to)639-643
JournalPhysics Letters B
Volume255
Issue number4
DOIs
Publication statusPublished - 21 Feb 1991

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