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Evidence for resonant structure near 1780 MeV in e+ e annihilations observed with the new colliding beam ring at Orsay
Authors:G Cosme  B Dudelzak  B Grelaud  B Jean-Marie  S Jullian  D Lalanne  F Laplanche  V Lepeltier  G Parrour  C Paulot  S Protopopescu  R Riskalla  Ph Roy  G Szklarz
Institution:Université Paris-Sud, Centre d''Orsay, Laboratoire de l''Accélérateur Linéaire, 91405 Orsay, France
Abstract:We present evidence for the existence of a new JPC = 1?? resonance with a mass of 1778 ± 14 (±12) MeV and 150 ± 40 (±30) MeV wide. We tentatively conclude that it is an I = 0 state.
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