Measurement of chi(cJ) decaying into eta ' K+K-

  • M. Ablikim*
  • , M. N. Achasov
  • , X. C. Ai
  • , O. Albayrak
  • , M. Albrecht
  • , D. J. Ambrose
  • , F. F. An
  • , Q. An
  • , J. Z. Bai
  • , R. Baldini Ferroli
  • , Y. Ban
  • , J. V. Bennett
  • , M. Bertani
  • , J. M. Bian
  • , E. Boger
  • , O. Bondarenko
  • , I. Boyko
  • , S. Braun
  • , R. A. Briere
  • , H. Cai
  • X. Cai, O. Cakir, A. Calcaterra, G. F. Cao, S. A. Cetin, J. F. Chang, G. Chelkov, G. Chen, H. S. Chen, J. C. Chen, M. L. Chen, S. J. Chen, X. Chen, X. R. Chen, Y. B. Chen, H. P. Cheng, X. K. Chu, Y. P. Chu, D. Cronin-Hennessy, H. L. Dai, J. P. Dai, D. Dedovich, Z. Y. Deng, A. Denig, I. Denysenko, M. Destefanis, N. Kalantar-Nayestanaki, M. Kavatsyuk, H. Loehner, J. G. Messchendorp, BESIII Collaboration
*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    12 Citations (Scopus)

    Abstract

    Using (106.41 +/- 0.86) x 10(6) Psi(3686) events collected with the BESIII detector at BEPCII, we study for the first time the decay chi(cJ) -> eta'K+K- (J = 1, 2), where eta' -> gamma rho(0) and eta' -> eta pi(+)pi(-). A partial wave analysis in the covariant tensor amplitude formalism is performed for the decay chi(c1) -> eta'K+K-. Intermediate processes chi(c1) -> eta'f(2)'(1525) chi(c1) -> K-0*(1430)K-+/-(-/+) (K-0*(1430)(+/-) -> eta'K-+/-) are observed with statistical significances larger than 5 sigma, and their branching fractions are measured.

    Original languageEnglish
    Article number074030
    Number of pages18
    JournalPhysical Review D
    Volume89
    Issue number7
    DOIs
    Publication statusPublished - 11-Apr-2014

    Keywords

    • BESIII

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