Study of the [formula presented] decays of the [formula presented] and [formula presented] charmonium resonances

M. Ambrogiani, S. Argirò, S. Bagnasco, W. Baldini, D. Bettoni, G. Borreani, A. Buzzo, R. Calabrese, A. Ceccucci, R. Cester, P. Dalpiaz, X. Fan, G. Garzoglio, K. E. Gollwitzer, A. Hahn, S. Jin, J. Kasper, G. Lasio, M. Lo Vetere, E. LuppiP. Maas, M. Macrì, M. Mandelkern, F. Marchetto, M. Marinelli, W. Marsh, M. Martini, E. Menichetti, R. Mussa, M. M. Obertino, M. Pallavicini, N. Pastrone, C. Patrignani, T. K. Pedlar, J. Peoples, S. Pordes, E. Robutti, B. Roccuzzo, J. Rosen, P. Rumerio, A. Santroni, M. Savriè, J. Schultz, K. K. Seth, G. Stancari, M. Stancari, J. Streets, A. Tomaradze, S. Werkema, G. Zioulas

Research output: Contribution to journalArticlepeer-review


We report the branching ratios of the (Formula presented) and (Formula presented) charmonium resonances to two photons using event samples collected by Fermilab experiment E835 in the reactions (Formula presented) Our result for the (Formula presented) is (Formula presented) We set a 95% upper limit for the (Formula presented) branching ratio (Formula presented) at (Formula presented).

Original languageEnglish (US)
Pages (from-to)11
Number of pages1
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number5
StatePublished - 2000

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)


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