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Evidence for resonant structure near 1780 MeV in e+ e− annihilations observed with the new colliding beam ring at Orsay |
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| 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 |
| Affiliation: | 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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