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Further Study Of Mesons Which Decay Into Omega-Omega

D Alde,Freddy Binon, M Boutemeur,C Bricman,S V Donskov,M Gouanere,A V Inyakin,Vassili Kachanov,G V Khaustov,E A Knapp,A V Kulik,A A Lednev,J P Peigneux,M Poulet,Yu D Prokoshkin,Yu V Rodnov,S A Sadovsky,V D Samoylenko,P M Shagin,A V Shtannikov,Alexander Singovsky,J P Stroot,V P Sugonyaev,M D Tabidze

PHYSICS LETTERS B（1990）

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摘要
The π−p→ωωn reaction has been further studied at 38 GeV/c with increased statistics. The peak at 2 GeV that has been previously observed in the ωω mass spectrum is due to two resonances. The first one is a tensor meson with a mass of 1920 MeV. The second is f4(2050). The branching ratio BR [f4(2050)→ωω] = 0.26±0.06 has been measured.
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particle physics,spectrum
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