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

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Abstract

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
Pages (from-to)403-410
Number of pages8
JournalPhysics Letters B
Volume359
Issue number3-4
DOIs
StatePublished - 1995 Oct 12

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    Frabetti, P. L., Cheung, H. W. K., Cumalat, J. P., Dallapiccola, C., Ginkel, J. F., Johns, W. E., Nehring, M. S., Butler, J. N., Cihangir, S., Gaines, I., Garbincius, P. H., Garren, L., Gourlay, S. A., Harding, D. J., Kasper, P., Kreymer, A., Lebrun, P., Shukla, S., Vittone, M., ... Kim, K. Y. (1995). Doubly and singly Cabibbo suppressed charm decays into the K+π-π+ final state. Physics Letters B, 359(3-4), 403-410. https://doi.org/10.1016/0370-2693(95)01085-5