Observation of thirteen new exclusive multibody hadronic decays of the ψ(2S)

R. A. Briere, G. P. Chen, J. Chen, T. Ferguson, G. Tatishvili, H. Vogel, M. E. Watkins, J. L. Rosner, N. E. Adam, J. P. Alexander, K. Berkelman, D. G. Cassel, V. Crede, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, L. Fields, L. Gibbons, B. Gittelman, R. GrayS. W. Gray, D. L. Hartill, B. K. Heltsley, D. Hertz, C. D. Jones, J. Kandaswamy, D. L. Kreinick, V. E. Kuznetsov, H. Mahlke-Krüger, T. O. Meyer, P. U E Onyisi, J. R. Patterson, D. Peterson, E. A. Phillips, J. Pivarski, D. Riley, A. Ryd, A. J. Sadoff, H. Schwarthoff, X. Shi, M. R. Shepherd, S. Stroiney, W. M. Sun, D. Urner, T. Wilksen, K. M. Weaver, M. Weinberger, S. B. Athar, P. Avery, L. Breva-Newell, R. Patel, V. Potlia, H. Stoeck, J. Yelton, P. Rubin, C. Cawlfield, B. I. Eisenstein, G. D. Gollin, I. Karliner, D. Kim, N. Lowrey, P. Naik, C. Sedlack, M. Selen, E. J. White, J. Williams, J. Wiss, K. W. Edwards, D. Besson, T. K. Pedlar, D. Cronin-Hennessy, K. Y. Gao, D. T. Gong, J. Hietala, Y. Kubota, T. Klein, B. W. Lang, S. Z. Li, R. Poling, A. W. Scott, A. Smith, S. Dobbs, Z. Metreveli, K. K. Seth, A. Tomaradze, P. Zweber, J. Ernst, A. H. Mahmood, H. Severini, D. M. Asner, S. A. Dytman, W. Love, S. Mehrabyan, J. A. Mueller, V. Savinov, Z. Li, A. Lopez, H. Mendez, J. Ramirez, G. S. Huang, D. H. Miller, V. Pavlunin, B. Sanghi, I. P J Shipsey, G. S. Adams, M. Cravey, J. P. Cummings, I. Danko, J. Napolitano, Q. He, H. Muramatsu, C. S. Park, W. Park, E. H. Thorndike, T. E. Coan, Y. S. Gao, F. Liu, M. Artuso, C. Boulahouache, S. Blusk, J. Butt, O. Dorjkhaidav, J. Li, N. Menaa, R. Mountain, R. Nandakumar, K. Randrianarivony, R. Redjimi, R. Sia, T. Skwarnicki, S. Stone, J. C. Wang, K. Zhang, S. E. Csorna, G. Bonvicini, D. Cinabro, M. Dubrovin

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Abstract

Using data accumulated with the CLEO detector corresponding to an integrated luminosity of L=5.63pb-1 on the peak of the ψ(2S) [3.08×106 ψ(2S) decays] and 20.70pb-1 at s=3.67GeV, we report first measurements of the branching fractions for the following 13 decay modes of the ψ(2S): η3π, η′3π, ρK+K-, K+K-π+π-π0, 2(K+K-), 2(K+K-)π0, ρpp̄, pp̄π+π-π0, ηpp̄, pp̄K+K-, ΛΛ̄π+π-, Λp̄K+, and Λp̄K+π+π-, and more precise measurements of 8 previously measured modes: 2(π+π-), ρπ+π-, 2(π+π-)π0, ωπ+π-, K+K-π+π-, ωK+K-, K+K-, and pp̄π+π-. We also report new branching fraction measurements of π+π- and ωpp̄ and upper limits for ηπ+π-, ηK+K-, and pp̄. Results are compared, where possible, with the corresponding J/ψ branching ratios to provide new tests of the 12% rule.

Original languageEnglish (US)
Article number062001
JournalPhysical review letters
Volume95
Issue number6
DOIs
StatePublished - Aug 5 2005

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