First observation of exclusive χcJ decays to two charged and two neutral hadrons

  • Q. He
  • , J. Insler
  • , H. Muramatsu
  • , C. S. Park
  • , E. H. Thorndike
  • , F. Yang
  • , M. Artuso
  • , S. Blusk
  • , S. Khalil
  • , J. Li
  • , N. Menaa
  • , R. Mountain
  • , S. Nisar
  • , K. Randrianarivony
  • , R. Sia
  • , N. Sultana
  • , T. Skwarnicki
  • , S. Stone
  • , J. C. Wang
  • , L. M. Zhang
  • G. Bonvicini, D. Cinabro, M. Dubrovin, A. Lincoln, D. M. Asner, K. W. Edwards, P. Naik, R. A. Briere, T. Ferguson, G. Tatishvili, H. Vogel, M. E. Watkins, J. L. Rosner, N. E. Adam, J. P. Alexander, D. G. Cassel, J. E. Duboscq, R. Ehrlich, L. Fields, L. Gibbons, R. Gray, S. W. Gray, D. L. Hartill, B. K. Heltsley, D. Hertz, C. D. Jones, J. Kandaswamy, D. L. Kreinick, V. E. Kuznetsov, H. Mahlke-Krüger, D. Mohapatra, P. U E Onyisi, J. R. Patterson, D. Peterson, D. Riley, A. Ryd, A. J. Sadoff, X. Shi, S. Stroiney, W. M. Sun, T. Wilksen, S. B. Athar, R. Patel, J. Yelton, P. Rubin, B. I. Eisenstein, I. Karliner, S. Mehrabyan, N. Lowrey, M. Selen, E. J. White, J. Wiss, R. E. Mitchell, M. R. Shepherd, D. Besson, T. K. Pedlar, D. Cronin-Hennessy, K. Y. Gao, J. Hietala, Y. Kubota, T. Klein, B. W. Lang, R. Poling, A. W. Scott, P. Zweber, S. Dobbs, Z. Metreveli, K. K. Seth, A. Tomaradze, K. M. Ecklund, W. Love, V. Savinov, A. Lopez, H. Mendez, J. Ramirez, J. Y. Ge, D. H. Miller, B. Sanghi, I. P J Shipsey, B. Xin, G. S. Adams, M. Anderson, J. P. Cummings, I. Danko, D. Hu, B. Moziak, J. Napolitano

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We study exclusive χc0,1,2 decays to four-hadron final states involving two charged and two neutral hadrons: π+π-π0π0, K+K-π0π0, pp̄π0π0, K+K-ηπ0, and K± n K0 n 0. The χc states are produced in radiative decays of 3.08×106 ψ(2S) resonance decays and observed in the CLEO detector. We also measure the largest substructure contributions to the modes π+π-π0π0 and K± K0π0.

Original languageEnglish (US)
Article number092004
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume78
Issue number9
DOIs
StatePublished - Nov 13 2008

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