Doubly and singly Cabibbo suppressed charm decays into the K+π-π+ final state

P. L. Frabetti, H. W.K. Cheung, J. P. Cumalat, C. Dallapiccola, J. F. Ginkel, W. E. Johns, M. S. Nehring, J. N. Butler, S. Cihangir, I. Gaines, P. H. Garbincius, L. Garren, S. A. Gourlay, D. J. Harding, P. Kasper, A. Kreymer, P. Lebrun, S. Shukla, M. Vittone, S. BiancoF. L. Fabbri, S. Sarwar, A. Zallo, R. Culbertson, R. W. Gardner, R. Greene, J. Wiss, G. Alimonti, G. Bellini, M. Boschini, D. Brambilla, B. Caccianiga, L. Cinquini, M. Di Corato, M. Giammarchi, P. Inzani, F. Leveraro, S. Malvezzi, D. Menasce, E. Meroni, L. Moroni, D. Pedrini, L. Perasso, F. Prelz, A. Sala, S. Sala, D. Torretta, D. Buchholz, D. Claes, B. Gobbi, B. O'Reilly, J. M. Bishop, N. M. Cason, C. J. Kennedy, G. N. Kim, T. F. Lin, D. L. Puseljic, R. C. Ruchti, W. D. Shephard, J. A. Swiatek, Z. Y. Wu, V. Arena, G. Boca, C. Castoldi, G. Gianini, S. P. Ratti, C. Riccardi, L. Viola, P. Vitulo, A. Lopez, G. P. Grim, V. S. Paolone, P. M. Yager, J. R. Wilson, P. D. Sheldon, F. Davenport, G. R. Blackett, M. Pisharody, T. Handler, B. G. Cheon, J. S. Kang, K. Y. Kim

Research output: Contribution to journalArticlepeer-review


Branching ratios and upper limits at 90% confidence level for D+ and Ds+ → K+π-π+ decays collected in Fermilab photoproduction experiment E-687 are reported. The D+ results are: Γ(D+ → K+π-π+) Γ(D+ → K-π+π+) = (7.2 ± 2.3 ± 1.7) × 10-3, Γ(D+ → K*0(892)π+) Γ(D+ → K-π+π+) < 0.0021, and Γ(D+ → K+ρ{variant}0(770)) Γ(D+ → K-π+π+) < 0.0067. The Ds+ results are: Γ(Ds+ → K+π-π+) Γ(Ds+ → Φ(1020)π+) = 0.28 ± 0.06 ± 0.05, Γ(Ds+ → K*0(892)π+ Γ(Ds+ → Φ(1020)π+) = 0.18 ± 0.05 ± 0.04, and Γ(Ds+ → K+ρ{variant}0(770)) Γ(Ds+ → Φ(1020)π+) < 0.08.

Original languageEnglish (US)
Pages (from-to)403-410
Number of pages8
JournalPhysics Letters B
Issue number3-4
StatePublished - Oct 12 1995

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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